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ARTICLES
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Audi 80 B2
(1979-1986)
General information
User manual
Introduction to the Audi 80 B2 manual
Vehicle Passport Data
Lifting and towing a car
General requirements for car repair
Controls and instrumentation
Cold engine starting
Starting a hot engine
Starting the engine from an external battery
Engine lubrication system
Engine bay of Audi cars
Coolant temperature
Checking the coolant level
Vehicle power supply system
Car ignition system
Clutch and gearbox
Car chassis system
Car braking system
Electrical equipment of the car
Ventilation and heating of the passenger compartment
Fuels and lubricants of domestic production and their foreign analogues
Technical characteristics of cars
Body control point diagrams
Power unit
Engine FZ
Design and technical characteristics. General information
Cylinder head specifications
Technical characteristics of the cylinder block
Technical characteristics of the crank mechanism
Technical characteristics of the valve timing mechanism
Technical characteristics of the lubrication system
Technical characteristics of the cooling system
Technical characteristics of the power supply system
Technical characteristics of the contact ignition system (used before the 1981 model year)
Power supply system
The principle of operation of the Solex 35 PDSIT carburetor
Adjustment and check of carburetor Solex 35 PDSIT
Adjustment and check of Solex 1В1 carburetor
Removal and installation of the distributor of the contact ignition system
Adjusting the gap between the contacts of the ignition system interrupter
Adjusting the angle of the ignition system breaker cam
Setting the ignition timing
Contactless ignition system
Technical characteristics of the contactless ignition system
Tightening torques of main threaded connections, kgf m
Engine adjustment
Replacing the camshaft seal
Removing and installing the camshaft drive belt
Adjusting the tension of the timing belt
Removing and installing the cylinder head
Disassembly and assembly of the cylinder head
Removing and installing the engine
Disassembling the engine
Checking the engine
Engine assembly
Removing and installing the oil pump
Checking the technical condition of the oil pump
Checking the oil pressure in the lubrication system
Replacing the coolant
Removing and installing the water pump
Engine EP, YP, YZ, DT, DS, DZ
Design and technical characteristics. General information
Cylinder head specifications
Technical characteristics of the cylinder block
Technical characteristics of the crank mechanism
Technical characteristics of the valve timing mechanism
Technical characteristics of the lubrication system
Technical characteristics of the cooling system
Technical characteristics of the power supply system
Technical characteristics of carburetor engines
Technical characteristics of the Zenith 2B2 carburetor
Technical characteristics of the Zenith 2B5 carburetor
Technical characteristics of the Keihin 26-30 DC carburetor
Technical characteristics of the Pierburg 2E2 carburetor
Technical characteristics of engines with the K-Jetronic fuel injection system
Technical characteristics of the contact ignition system
Technical characteristics of the contactless ignition system
Tightening torques of main threaded connections, kgf.m
Checking and adjusting clearances in the valve drive mechanism
Construction of hydraulic tappets
Operating principle of hydraulic tappets
Checking the technical condition of hydraulic tappets
Carburetor engines
Carburetor Zenith 2B2
Checking and adjusting the Zenith 2B2 carburetor
Operating principle of the Pierburg 2B5 carburetor
Checking and adjusting the Pierburg 2B5 carburetor
Adjusting the idle speed of a warm engine
Operating principle of the Keihin 26-30 DC carburetor
Checking and adjusting the Keihin 26-30 DC carburetor
Operating principle of the Pierburg 2E2 carburetor
Checking and adjusting the Pierburg 2E2 carburetor
Engines with the K-Jetronic fuel injection system
Checking and adjusting the K-Jetronic system
YZ Engine Cars with Contact Ignition System
Vehicles with YZ engine with contactless ignition system and digital idle speed control
Cars with DZ engine
Checking the performance of the fuel pump
Adjusting the position of the air flow meter pressure disc
Pressure check
Checking injection nozzles
Checking the starting injector and thermal time relay
Checking the control pressure regulator
Checking the idle speed control valve
Checking the additional air supply valve
Electrical circuit of the fuel injection system «K-Jetronic»
Adjusting the gaps between the breaker contacts
Checking the switch of the contactless ignition system
Checking the distributor sensor of the contactless ignition system
Timing mechanism: removing and installing the camshaft drive belt
Removing the cylinder head
Installing the cylinder head
Disassembly and repair of the cylinder head
Cylinder head assembly
Removal and installation of carburetor engines
Disassembling the engine
Engine assembly
Checking the clearances between the bearings and the crankshaft journals
Engine assembly
Replacing the oil filter
Removing and installing the oil pump
Disassembly, inspection of technical condition and assembly of the oil pump
Checking the oil pressure in the lubrication system
Replacing the coolant
Removing and installing the water pump
Disassembling and assembling the water pump
Adjusting the alternator drive belt tension
Transmission
Clutch
Clutch design and specifications
Tightening torques of main threaded connections, kgf.m
Removing and installing the clutch
Mechanical clutch drive
4 speed gearbox
Design and technical characteristics of the gearbox
Tightening torques of main threaded connections, kgf.m
Removing and installing the gearbox
Disassembly and assembly of the gearbox
Disassembly and assembly of the primary shaft
Disassembly and assembly of the secondary shaft
Disassembling and assembling the differential
Adjusting the distance between the end of the drive gear and the differential axle
Gearbox assembly
Gear shift control mechanism
Gearbox adjustment data
Gear ratios of the gearbox
Gearbox Oil Specifications
5 speed gearbox
Design and technical characteristics of the gearbox
Gearbox adjustment data
Gear ratios of the gearbox
Transmission oil
Tightening torques of main threaded connections, kgf.m
Removing and installing the gearbox
Disassembly and assembly of the gearbox
Disassembly and assembly of the primary shaft
Disassembly and assembly of the secondary shaft
Gearbox assembly
Adjusting the distance between the end face of the main gear pinion and the differential axle
Gear shift control mechanism
Front wheel drive
Design and technical characteristics
Tightening torques of main threaded connections, kgf.m
Replacing the differential output shaft seal
Removing and installing front wheel drive shafts
Removing and installing the inner joint of the front wheel drive shaft
Removing and installing the outer joint of the wheel drive shaft
Chassis
Front suspension
Front suspension specifications
Front Wheel Hub Specifications
Tightening torques of main threaded connections, kgf.m
Removal and installation of shock absorbers and springs
Removing and installing the anti-roll bar
Removing and installing suspension arms
Adjusting the front wheel alignment angles
Checking and adjusting the front wheel alignment
Checking and adjusting the front wheel alignment
Checking the longitudinal tilt angle of the pivot axis
Disassembly and assembly of front wheel hubs
Front suspension device
Rear suspension
Rear suspension specifications
Rear wheel hub specifications
Tightening torques of main threaded connections, kgf.m
Removing and installing the shock absorber with suspension spring
Removal, disassembly, assembly and installation of rear wheel hubs
Adjusting the clearance in the rear wheel hub bearings
Steering
Design and technical characteristics
Tightening torques of main threaded connections, kgf.m
Removing and installing the steering gear
Adjusting the gap between the stop and the rack
Removing and installing the steering shaft
Brake system
Design and technical characteristics
Technical characteristics of the front wheel brake mechanisms
Technical characteristics of the rear wheel brake mechanisms
Technical characteristics of the brake drive
Technical characteristics of the parking brake system
Tightening torques of main threaded connections, kgf.m
Replacing the front brake pads of the ATE brand
Disassembly and assembly of the front wheel brake mechanism of the ATE brand
Replacing the front brake pads of the Girling brand
Removing and installing the front brake disc of the Girling brand
Replacing rear brake pads
Removing and installing the rear brake wheel cylinder
Adjusting the parking brake
Removing and installing the master brake cylinder
Removing and installing the brake booster
Checking the brake booster
Checking and adjusting the brake drive pressure regulator
Checking the tightness of the pressure regulator
Bleeding the brake hydraulic system
Bleeding the brake hydraulic system using a special installation
Bleeding the brake hydraulic system without special installation
Electrical equipment
Equipment and devices
Design and technical characteristics of electrical equipment
Technical characteristics of the battery
Generator specifications
Starter specifications
Technical characteristics of fuses
Removing and installing the generator
Disassembly and assembly of the generator
Adjusting the alternator drive belt tension
Removing and installing the starter
Disassembling and assembling the starter
Windscreen cleaner
Removing and installing the instrument cluster
Headlight adjustment
Fuses and relays
Placing the relay on the mounting block
Removing and installing the heater trim casing
Electrical circuits
Legend of the electrical equipment diagrams of the Audi «80» car produced before the 1985 model year
Electrical diagram of cars Audi «80», «80 L» 1979 model year
Electrical diagram of cars Audi «80 LS», «80 GLS» 1979 model year
Wiring diagram for Audi «80 S», «80 LS», «80 GLS» 1981 model year
Automatic engine stop and start device «Stop-Start» circuit diagram
Features of the electrical equipment diagram of the Audi «80 GLE»
Fog light wiring diagram since 1985 model year
Wiring diagram for Audi «80» 1985 model year
Features of the Audi «80» car diagram with EP engine since 1985 model year
Features of the diagram of Audi «80» cars with DT and DS engines since the 1985 model year.
Door window lifter wiring diagram
Door lock system diagram
Audi 80 B3
(1986-1991, petrol)
General information
User manual
Introduction to the Audi 80/90 B3 manual
Description of the dashboard
Warning and indicator lights
Set of keys
Central lock
Trunk lid
Car doors
Engine hood
Window lifters
Rear view mirrors
Seat belts
Adjusting the seat headrests
Front seats
Back seat
Rear shelf
Connecting headphones
Luggage compartment
Cover for transporting non-standard items
Sun protection film
Roof rack
Parking brake
Differential lock
Ignition switch
Starting the engine
Control lamps
Automatic control system
Description of car accessories
On-board computer
Switches on the control panel
Turn signal and headlight switch levers
Car speed controller
Hazard warning lights, windscreen wipers and washers
Heating, ventilation and air conditioning
Pull-out/folding hatch
Interior lighting
Ashtrays and storage box
The first 1000 km of mileage and subsequent
All-wheel drive movement
Vehicle safety
Economical driving mode with regard to environmental protection
Driving a car with a trailer
Fuel for gasoline engines
Fuel for diesel engines
Lubricants
Windscreen washers
Brake system
Wheel and tire inspection and maintenance
Exhaust gas cleaning device
Operation of the vehicle in difficult conditions
Recommendations for car care
Maintenance
General maintenance recommendations
Methods of lifting a car
Tools, jack and other necessary accessories
Overall dimensions, weights and capacities
Maintenance intervals
Recommended lubricants and fluids
External view of the engine compartment
Exterior view of the car's underbody
Power unit
Engine 4-cylinder
Engine specifications
General description of the engine
Engine Maintenance
Basic actions possible with the engine
Engine — removal and installation
Engine disassembly — general description
Auxiliary parts — removal and installation
Engine — complete disassembly
Timing Belt and Sprockets — Removal, Check and Installation
Camshaft and tappets — removal, inspection and installation
Cylinder head — removal and installation
Cylinder head — overhaul
Flywheel/drive disc — removal, inspection and installation
Intermediate shaft — removal, inspection and installation
Pallet — removal and installation
Front and rear crankshaft seals — replacement
Oil pump — removal, inspection and installation
Pistons and connecting rods — removal and disassembly
Pistons and cylinder bores — inspection
Pistons and connecting rods — assembly and installation
Crankshaft and main bearings — check
Engine Mounting Brackets — Replacement
Engine assembly — general description
Engine — assembly
Engine — preparation for starting after repair
Engine 5-cylinder
Engine specifications
General description of the engine
Basic actions possible with the engine
Engine — removal and installation
Camshaft and hydraulic tappets — removal
Cylinder head — removal
Cylinder head — overhaul
Cylinder head — installation
Camshaft and hydraulic tappets installation
Timing Belt and Sprockets — Removal and Installation
Flywheel/drive disc — removal, inspection and installation
Pallet — removal and installation
Front and rear crankshaft seals — replacement
Oil pump — removal, inspection and installation
Pistons and connecting rods — removal and disassembly
Pistons and connecting rods — assembly and installation
Crankshaft — removal, inspection and installation
Engine Mounting Brackets — Replacement
Engine fault detection
Cooling system
Cooling system specifications
General description of the cooling system
Cooling system maintenance
Draining the coolant
Flushing the cooling system
Filling the cooling system
Antifreeze mixture
Radiator — removal, inspection, cleaning and installation
Thermostat — removal, inspection and installation
Water pump — removal and installation
Cooling Fan Thermal Switch — Checking, Removing and Installing
Coolant Temperature Sensor — Removal and Installation
Plugs — replacement
Troubleshooting the cooling system
Fuel and exhaust systems
Fuel and Exhaust System Specifications
General description of the fuel system
Technical maintenance
Air Filter Element — Replacement
Air filter — removal and installation
Automatic air temperature control
Mechanical fuel pump — removal and installation
Fuel filter — replacement
Fuel Pump (Fuel Injection Models) — Checking, Removing and Installing
Fuel Filter (Fuel Injection Models) — Replacement
Fuel tank — removal and installation
Fuel level sensor — removal and installation
Accelerator cable — removal, installation and adjustment
Throttle cable — removal, installation and adjustment
Accelerator pedal — removal and installation
Carburetor — general description
Carburetor — idle speed and mixture adjustment
Carburetor — removal and installation
Carburetor — disassembly, cleaning and assembly
Carburetor — additional adjustment and check
Fuel filter (carburetor engine) — removal and installation
Fuel Injection System — Description and Precautions
Fuel injection system parts — removal and installation
Fuel injection system — idle speed and mixture adjustment
Fuel injection system (K-Jetronic) — additional adjustment and testing
Fuel injection system (Mono-Jetronic) — additional adjustments and checks
Fuel injection system (KE-Jetronic) — additional adjustments and checks
Fuel injection system (KE III-Jetronic) — additional adjustments and checks
Fuel injection system (KE-Motronic) — additional adjustments and checks
Fuel injection system (Multipoint injection/MPI) — additional adjustments and checks
Injector Cooling Fan Motor — Removal and Installation
Emission Control Systems — General Description
Intake manifold — removal and installation
Exhaust manifold — removal and installation
Exhaust system — removal and installation
Troubleshooting — Fuel and Exhaust Systems
Ignition system
Ignition System Specifications
General description of the ignition system
Distributor — removal and installation
Distributor — disassembly, inspection and assembly
Transistor Coil Ignition (TCI-H) — Description
Transistor Coil Ignition (TCI-H) Testing
Fully Contactless Ignition (FEI) — Description
Fully Contactless Ignition (FEI) — Test
Motronic Ignition System — Description
Motronic Ignition System — Testing
MPI Ignition System — Description
MPI Ignition System — Testing
Ignition timing (KV engine and 1.6/1.8 l engines) — adjustment
Ignition timing angle (PS and NG engines) — adjustment
Ignition timing angle (engine 7A) — adjustment
Spark plugs — removal, maintenance and installation
Troubleshooting the ignition system
Transmission
Clutch
Clutch specifications
General description of the clutch
Clutch Maintenance
Clutch pedal — removal and installation
Clutch hydraulic system — bleeding
Clutch slave cylinder — removal, overhaul and installation
Clutch Master Cylinder — Removal, Overhaul and Installation
Clutch — removal, inspection and installation
Release bearing and lever — removal and installation
Troubleshooting Clutch Problems
Mechanical transmission
Manual transmission specifications
General description of the mechanical gearbox
Maintenance of manual transmission
Gearbox — removal and installation
Gearbox — overhaul
Gear shift lever — removal, overhaul and installation
Gear shift rod — adjustment
Troubleshooting a Manual Transmission
Automatic transmission
Automatic Transmission Specifications
General description and precautions
Automatic transmission maintenance
Transmission fluid — replacement
Automatic transmission — removal and installation
Torque Converter — Checking and Draining Fluid
Automatic transmission — disassembly and assembly
Main Gear Housing — Maintenance
Regulator — removal and installation
Shift and accelerator cables (089) — removal, installation and adjustment
Accelerator cable (087) — removal, installation and adjustment
Selector lever and cable — removal, installation and adjustment
Inhibitor switch — removal, installation and adjustment
Troubleshooting Automatic Transmissions
Drive shafts
Drive shaft specifications
General description of drive shafts
Maintenance of drive shafts
Drive shafts — removal and installation
Drive shafts — overhaul
Troubleshooting drive shafts
Chassis
Brake system
Brake system specifications
General description of the braking system
Maintenance of the brake system
Front brake pads — inspection, removal and installation
Front Brake Caliper — Removal and Installation
Front Brake Caliper — Overhaul
Brake discs — inspection, removal and installation
Rear Brake Shoes — Checking and Replacing
Rear wheel cylinder — removal, overhaul and installation
Brake drum — inspection and restoration
Rear brake pads — checking, removal and installation
Rear Brake Caliper — Removal and Installation
Rear Brake Caliper — Overhaul
Master cylinder — removal and installation
Master Cylinder — Bulkhead
Brake pressure regulator — checking and adjustment
Brake system tubes and hoses — removal and installation
Hydraulic system — bleeding
Anti-lock braking system (ABS) — general description
Anti-lock braking system (ABS) parts — removal and installation
Anti-lock braking system (ABS) — pressure check
Brake pedal — removal and installation
Handbrake lever — removal and installation
Handbrake — adjustment
Vacuum booster — description and testing
Vacuum booster — removal and installation
Vacuum Pump (with Automatic Transmission) — Removal and Installation
Hydraulic booster unit — description
Hydraulic booster unit — removal and installation
Hydraulic booster pressure accumulator — removal and installation
Hydraulic booster system — check
Brake light switch — removal and installation
Handbrake cables — removal and installation
Detecting brake system faults
Suspension
Suspension and steering specifications
General description of suspension and steering
Suspension and steering maintenance
Front suspension strut — removal and installation
Front suspension strut — disassembly and assembly
Front Hub and Bearing — Removal and Installation
Front anti-roll bar — removal and installation
Front lower control arm — removal, overhaul and installation
Rear axle — removal and installation
Rear suspension strut / shock absorber — removal and installation
Diagonal tie rod — removal, overhaul and installation
Rear wheel bearings and steering knuckle — removal, installation and adjustment
Steering
Steering wheel — removal and installation
Steering column — removal, overhaul and installation
Steering rod — removal and installation
Steering gear — removal and installation
Steering damper — inspection, removal and installation
Steering Gear Guards — Replacement
Steering gear (mechanical) — adjustment
Power Steering System — Draining, Filling and Bleeding Fluid
Power Steering System — Checking for Leaks
Power steering pump — removal, overhaul and installation
Wheel installation — checking and adjustment
Wheels and Tires — General Precautions and Maintenance
Troubleshooting suspension and steering
Body
Exterior
Body specifications
General description of the body
Body maintenance
Body and subframe — maintenance
Repair of minor body damage
Body repair — serious damage
Hood — removal, installation and adjustment
Hood Lock Cable — Removal and Installation
Trunk lid — removal and installation
Trunk lid lock — removal and installation
Trunk lid and rear door pillar — removal and installation
Rear door — removal and installation
Rear door lock — removal and installation
External door handle — removal and installation
Doors — removal and installation
Windshield, rear window glass and rear door window glass — removal and installation
Hatch — removal, installation and adjustment
Hatch drain hoses — cleaning
Bumpers — removal and installation
Radiator grille — removal and installation
Outside mirror — removal and installation
Rear view mirror — removal and installation
Interior
Upholstery and carpets — maintenance
Door trim panel — removal and installation
Door lock — removal and installation
Window lifter (Sedan) — removal and installation
Window lifter (Coupe) — removal and installation
Seat belts — removal and installation
Center console — removal and installation
Instrument panel — removal and installation
Central section of the instrument panel — removal and installation
Seats — removal and installation
Central locking system — general information
Electric Windows — General Information
Heater — removal and installation
Heater blower unit — removal and installation
Air Conditioning System — Precautions and Maintenance
Air Conditioner Fan Unit — Removal and Installation
Air Conditioning Compressor Magnetic Clutch — Adjustment
Electrical equipment
Equipment and devices
Electrical Equipment Specifications
General description and precautions
Maintenance of electrical equipment
Battery — removal and installation
Battery — Maintenance
Generator — removal and installation
Generator drive belt — removal, installation and adjustment
Generator brushes — checking and replacing
Starter — check in the car
Starter — removal and installation
Starter — overhaul
Fuses and relays — general description
Ignition switch / steering column lock — removal and installation
Combination switch — removal and installation
Switches — removal and installation
Instrument panel — removal and installation
Devices — removal and installation
Headlights and headlight bulbs — removal and installation
Headlights — alignment
Lamps — removal
Windscreen wiper blades and arms — removal and installation
Windscreen wiper motor and frame — removal and installation
Washer system — general description
Sound signal — removal and installation
Radio — removal and installation
On-board computer — general description
Troubleshooting the electrical system
Electrical circuits
Electrical Wiring Diagrams — Description
Key to all electrical wiring diagrams
Electrical connection diagram for ignition switch, side light buzzer and radio
Oil Pressure Warning System Wiring Diagram
Radiator Fan Wiring Diagram
Additional Radiator Fan Wiring Diagram
Electrical connection diagram for headlights, taillights and brake lights
Electrical connection diagram for light switch and headlights
Electrical connection diagram for side lights, glove compartment lighting
Electrical connection diagram for reverse lights
Electrical connection diagram for direction indicators and hazard warning lights
Wiring diagram for interior lighting and switch
Wiring diagram for windshield wiper/washer system
Electrical connection diagram of the horn
Rear Window Heated Electrical Connection Diagram
Electrical connection diagram of the battery, starter and generator
TCI-H Ignition System Wiring Diagram
Fuel System Wiring Diagram (K-Jetronic)
Fuel system electrical connections diagram (KE-Jetronic)
Electrical connection diagram of the auxiliary pneumatic valve
Electrical connection diagram for windows with electric window lift
Central locking electrical wiring diagram
Electrical connection diagram of the high-low beam headlight system
Wiring diagram for front and rear fog lights
Electrical Wiring Diagram for Oil Pressure System (2.2 Models)
Electrical connection diagram of battery, starter, generator (model 2.2)
Fuel System Wiring Diagram (2.0 Models)
Electrical connection diagram of the fuel system and Lambda sensor
Electrical connection diagram of the fuel injection system (Mono-Jetronic)
Electrical connection diagram of the fuel system and Lambda sensor (models 2.0)
Fuel Injection System Wiring Diagram (2.0 Models)
Electrical Wiring Diagram for Knock Control System
Ignition System Wiring Diagram (2.0 Models)
Electrical connection diagram of the fuel system and Lambda sensor (models 2.3)
Fuel injection system wiring diagram (2.3 models)
Electrical connection diagram of the fuel system and fuel pump (models 2.3)
Electrical connection diagram of the fuel injection system and ignition system
Electrical connection diagram of the oil pressure system (models 2.3)
Electrical Wiring Diagram for Heated Mirrors (Coupe)
Rear Wiper Wiring Diagram (Coupe)
Audi 80 B3
(1986-1991)
General information
Repair characteristics
Introduction to the Audi 80/90 B3 (all engines) manual
Instructions for using electrical diagrams
Vehicle Identification Table
Overall dimensions, weight and fuel data
Cooling system of a gasoline engine
Gasoline engine fuel system
Ignition system of a gasoline engine
Vehicle transmission characteristics
Brake system characteristics
Adjustment values of toe-in and camber
Wheel and tire sizes
Tightening torques for threaded connections (Nm)
Maintenance
Maintenance plan
External inspection of oil leaks
General repair recommendations
Checking tire pressure
Dynamic oil pressure control
Changing engine oil and oil filter
Replacing the coolant
Replacing the air filter element
Replacing the fuel filter
Replacing the fuel injection system filter element
Draining sediment, drying and replacing the fuel filter
Checking the coolant level
Replacing spark plugs
External check of gearbox tightness
Change of transmission oil (ATF)
Checking the oil level in an automatic transmission
Checking the tie rod end boots
Checking the play in the steering
Checking the oil level
Tensioning the V-belt of the servo control pump
Checking the brake fluid level
Checking the thickness of friction linings
External inspection of brake pipes
Replacing brake fluid
Checking the battery electrolyte level
Car wash
Care of painted surfaces
Removing Tar Stains
Insect Removal
Removing splashes from building solutions
Care of plastic parts
Window cleaning
Wheel care
Caring for rubber seals
Preservation of the bottom and cavities
Preservation of the engine compartment
Seat upholstery care
Power unit
Gasoline engine
Gasoline engine. General information
Possible engine malfunctions
V-belt and toothed belt drive
Checking and adjusting the timing belt tension
Installation and removal of the timing belt
Camshaft/Valve timing mechanism
Installation and removal of the camshaft
Cylinder head
Dismantling and installation of the cylinder head
Hydraulic pusher
Removing the engine valve
Installing the engine valve
Replacing valve stem seals
Checking the valve guides
Valve seats in the cylinder head. Valve repair
Valve processing
Engine installation and dismantling
Diesel engine
Diesel Engine. General Information
The drive of the gas distribution mechanism
Checking and adjusting the timing belt tension
Removing and installing the timing belt
Engine lubrication system
Engine oil change
Dilution of oil in gasoline engines
Viscosity of motor oil
All-season oil
Low-friction oil (Multi-season oil with antifriction additives)
Applications/Viscosity classes
Motor oil specification
Fuel consumption
Operation of the lubrication system
Possible malfunctions of the lubrication system
Checking oil pressure
Oil pan, oil pump
Removing and installing the oil pan. Replacing its gasket
Removing and installing the oil pump
Fuel system (gasoline)
Fuel system. General information
Possible malfunctions in fuel supply of carburetor systems
Removing and installing the air filter
Checking the intake air heating
Removing and installing the fuel pump
Fuel level indicator sensor
Carburetor Keihin I and Keihin II
Checking and adjusting the idle speed and CO content of Keihin carburetors
Adjusting the gas drive of Keihin carburetors
Adjusting the starting (air) damper drive of Keihin carburetors
Checking and adjusting the amount of fuel injected into Keihin carburetors
Checking and adjusting the fast idle speed of Keihin carburetors (when warming up the engine)
Checking and adjusting the air-mixture gap of Keihin carburetors
Checking the vacuum opening device of the air damper of Keihin carburetors («Pulldown»)
Checking the idle shut-off valve of Keihin carburetors
Checking the intake manifold heating of Keihin carburetors
Carburetor 2-EE
Checking the idle speed, adjusting the CO content of carburetors 2-EE
Checking the idle speed of 2-EE carburetors
Checking the CO content of 2-EE carburetors
Adjusting the CO content of 2-EE carburetors
Checking the temperature sensor (K-, KS-Jetronic, KE-Motronic, Mono-Jetronic, Ecotronic)
Injection system (gasoline)
Possible malfunctions of the injection system
KE-Jetronic injection system
Fuel injection system KE-Motronic
Multipoint injection system MPI (Multipoint — Injection)
Checking and adjusting idle speed and CO content. KE-Jetronic only
Checking and adjusting idle speed and CO content. Engines 90, 113, 115, 136 hp.
Checking and adjusting idle speed and CO content. Engine 113 hp (designation SD)
Checking and adjusting idle speed and CO content. Engine 115 hp (designation PS)
Checking and adjusting idle speed and CO content. Engine 136 hp (designation NG)
Checking and adjusting idle speed and CO content. Engines 113, 115 hp (designations ZA, AAD)
Checking the lambda control (KE-Jetronic only)
Checking the increase in idle speed. Only engines 90, 102, 112 hp (designations JH, DZ, ABB)
Idle speed stabilization check (KE-Jetronic only)
Mono-Jetronic injection system
Querying the memory of recorded faults
Checking idle speed and CO content
K-Jetronic system
Checking and adjusting idle speed and CO content (only on models equipped with K-Jetronic)
Checking and adjusting the back-up valve (K-, K-Jetronic)
Checking and setting the free travel of the back-up valve (K-, K-Jetromic, KE-Jetromic)
Checking the adjusting lever and control piston (K-, K-Jetronic, KE-Jetronic)
Removing and installing the lambda probe
Removal, installation, testing of cold start valve (K-, KE-Jetronic, KE-Jetronic)
Checking, removing and installing the thermal time switch (K-, KE-Jetronic not suitable for NG, 6A)
Checking the additional air valve (engines 90, 102, 112 hp; designations JM, DZ, ABB)
Fuel pump
Checking the fuel pump
Fuel system (diesel)
Diesel Engine Fuel System. General Information
Turbocharger
Possible malfunctions of the diesel fuel system
Basic checks and adjustments
Removing and installing injectors
Checking the start of injection of the fuel injection pump
Checking and adjusting the engine control phases
Fuel system in winter conditions
Ignition system
Ignition system. General information
Ignition system TSZ-H
Ignition system VEZ
Possible malfunctions of the ignition system
Checking the ignition coil
Checking the ignition cable
Checking the distributor rotor
Ignition distributor
Checking the TSZ-H system relay
Checking the Hall Sensor
Checking and adjusting the ignition timing
Diesel engine pre-heating system
Cooling system
Engine cooling system. General information
Water pump/coolant thermostat
Possible malfunctions of the engine cooling system
Removing, installing and checking the coolant thermostat
Removing and installing the coolant pump
Checking the electric fan switch sensor
Removing and installing the radiator
Checking the cooling system
Checking the fan switch device when the engine is not running
Heater
Heater device
Possible heater malfunctions
Compressor V-belt tension
Removing and installing the dust filter
Connecting heater actuators
Removing and installing heater controls/heater rods
Removing and installing the heater fan
Exhaust system
The device of the exhaust gas system
Checking the exhaust system for leaks
Removal and installation of the exhaust system
Removing and installing the rear muffler
Vehicles equipped with a catalytic converter
Transmission
Clutch and gearbox
Clutch device
Clutch drive
Possible clutch malfunctions
Removal, installation, checking of the clutch
Bleeding air from the system
Gear shifter
Automatic transmission. General information
Checking the oil level in an automatic transmission
Chassis
Steering
Steering. General information
Steering wheel
Removing and installing the steering wheel
Steering drive
Removal and installation of steering rods
Removing and installing the steering shock absorber
Adjusting the steering play
Bleeding the steering system
Checking the steering system for leaks
Brake system
Possible malfunctions of the brake system
General information about the braking system
Removing and installing brake pads for front disc brakes Teves
Removing and installing front disc brake pads Girling
Removing and installing brake pads for rear disc brakes Teves
Removing and installing rear disc brake pads Girling
Basic rear brake adjustment
Eliminating brake squeaks
Checking the thickness of the brake disc
Rear wheel drum brakes
Removing and installing the brake disc/brake caliper
Removing and installing the brake drum
Removing and installing brake pads
Removal and installation of working brake cylinders
Bleeding the brake system
Replacing brake pipes/hoses
Checking the power steering
Checking and adjusting the brake force regulator
Handbrake
Adjusting the handbrake
Removing and installing/checking the brake light switch
ABS device
Car suspension
Front suspension device
Removing and installing the shock absorber strut
Shock absorber strut
Removing and installing the shock absorber/disassembling the front strut
Removing and installing the drive shaft
Drive shaft
Rear suspension device
Rear shock absorber strut
Checking the shock absorber
Removing and installing wheel bearings
Adjusting the wheel hub bearing play
Body
Body elements
Body. General information
Removing and installing the front bumper
Removing and installing the rear bumper
Removing and installing the front trim
Removing and installing front fenders
Removing and installing the hood
Adjusting the trunk lid
Trunk lid lock
Removal and installation/adjustment of doors
Door trim
Removing and installing a door lock
Door handle
Removing and installing the door frame
Removal and installation of window glass/window lifter
Adjusting the glass of the door window
Replacing the mirror glass
Removing and installing the outside mirror
Adjusting the mirror installation mechanism
Removing and installing the lower left trim
Central locking device
Removing and installing the locking element/control element
Cleaning drain hoses
Electrical equipment
Power devices
Starter
Possible starter malfunctions
Removing and installing the starter
Checking and replacing the traction relay
Generator
Possible generator faults
Removing and installing the generator
Replacing/tensioning the V-belt
Replacing/checking generator/voltage regulator brushes
Lighting and appliances
Headlight
Replacing lamps
Removing and installing headlights
Removing and installing the headlight range adjustment motor
Headlight adjustment
Rear lights
Tail light bulb
Dashboard
Removing and installing the instrument panel
Removing and installing the steering wheel switch
Removal and installation of indicator devices and control lamps
Checking the voltage stabilizer
Adjusting the fuel gauge
Checking the speedometer sensor
Removing and installing the radio
Replacing the wiper blade rubber
Removing, installing and adjusting the windshield wiper nozzle
Windscreen wiper drive
Removing and installing the windshield wiper motor
Fuses and relays
Replacing fuses
Electrical circuits
Electrical diagram of ground connection
Electrical diagram of battery, starter, generator
Ignition and starter switch, warning buzzer for parking light and radio
Headlights, parking lights, tail lights, brake lights
Light switch, manual switch for low beam and light signal
Lighting for the glove compartment, trunk, license plate, engine compartment...
Direction indicators and hazard warning system
Interior lighting, door contact switches
Fog lamp, building fog lamp
Optical and acoustic control of instrument panel oil pressure
Instrument panel and speedometer
Instrument panel kit, coolant condition monitoring...
Dashboard kit
Electrical diagram of the radio receiver
Radio stereo with passive loudspeaker
Windscreen washer and wiper system, headlight cleaning system...
Central locking device
Electrically controlled and heated mirror
Electric window (4-door version)
Audi 80 B4
(1991-1996)
General information
User manual
Introduction to the Audi 80/90 B4 manual
Governing bodies
Governing bodies
Keys
Central lock
Doors
Anti-theft alarm
Remote control system for central locking via infrared emitter
Replacing batteries
Window lifters
Rear view mirrors
Seat belts
Inflatable airbags
Headrests
Front seats
Automatically adjustable front seats
Pedals
Brakes
Parking brake
Electronic differential lock (EDL)
Manual transmission
Automatic transmission
Ignition switch
Instrument panel
Additional pointers
Control lights
Diagnostic unit for the functioning of the main vehicle systems
On-board computer
Maintenance
General information and maintenance periods
Regular checks and constant monitoring
Maintenance — works
Brakes, tires, wheels
V-belt/ribbed belt — checking condition and tension
Exhaust gas exhaust system — check
Suspension and steering
Electrical equipment
Lubrication of rods, joints, hinges and locks
Jacking up a car
Towing
Troubleshooting
Cooling system
Mono-Motronic fuel injection system
Digifant injection system
Injection system KE-III-Jetronic
MPI and MPFI injection systems
Fuel system of diesel engines (TD)
Fuel system of diesel engines (TDI)
Clutch
Power steering
Brake system
Battery and generator
Starter
Wiper blade
Heating and ventilation system
Power unit
Engine
Engine specifications
General description
Petrol engines
Diesel engines
Engine — removal and installation
Setting the piston to the top dead center position of cylinder No. 1
Cylinder Head Cover — Removal and Installation
Cylinder head
Cylinder head (petrol engines) — removal, inspection and installation
Cylinder head (diesel engines) — removal, inspection and installation
Timing Belt (Gasoline Engines) — Checking
Timing Belt (Diesel Engines) — Checking
Timing Belt — Tension
Timing Belt (Gasoline Engines) — Replacement
Timing Belt (Diesel Engines) — Replacement
Camshaft (petrol engines) — removal and installation
Camshaft (diesel engines) — removal and installation
Hydraulic Plate Tappets — Removal and Installation
Compression — check
Engine lubrication system
Engine oil — pressure
Engine Oil — Checking Level
Engine oil — replacement
Crankcase ventilation
Visual inspection of engine condition
Cooling system
Engine cooling system
Coolant — Checking the Level
Coolant Density — Check
Cooling system — leak test
Radiator — removal and cleaning
Coolant Hoses — Removal
Coolant — Drain
Expansion tank cap
Thermostat — Removal, Installation and Checking
Water pump — removal and installation
Radiator blower fan
Radiator fan — troubleshooting
Radiator Blower Fan — Removal
Electric water pump for TD diesel engines
Heating and ventilation
Heating and ventilation
Cabin Blower — Checking and Removing
Heater and fan drive
Air conditioner
Petrol injection
Mono-Motronic fuel injection system
Operation of the Mono-Motronic system
Fuel injection system — check
Idle speed and CO content in exhaust gases — check
Gas cable — replacement
Digifant fuel injection system
Functioning of the Digifant system
Fuel injection system — check
Injectors — removal and installation
Idle speed and CO content — check
Fuel injection system KE-lll-Jetronic
Functioning of the KE-III-Jetronic fuel injection system
Fuel injection system KE-III-Jetronic — check
Idle speed and CO content — check
Multi-point fuel injection systems MPI and MPFI
Operation of the MPI/MPFI fuel injection system
Fuel injection system — check
Idle speed and CO content — check
Diesel fuel system
How a diesel engine works
Fuel system of diesel engines TD Distribution fuel injection pump — operating principle
Cold engine start accelerator
Valve injectors
Power supply system — repair
Start of injection pump feed — adjustment
Accelerator cable — removal and adjustment
Cold Start Accelerator Cable — Removal and Adjustment
Idle speed — check
Power supply system — TDI diesel engines
Sensors of the fuel system of diesel engines TDI
Fuel injection system of TDI engines — check
TD Engine Preheating System
TD Engine Preheating System — Check
TDI engine preheating system
TDI Engine Preheating System — Check
Turbocharger
Turbocharger — removal and installation
Charge air cooler
Fuel system
Fuel System Specifications
General Provisions
Fuel gauge sensor
Fuel pump — checking, removal and installation
Fuel filter
Air filter (petrol models) — removal, cleaning, replacement
Heating of intake air
Intake manifold — heating
Intake manifold with variable internal cavity configuration
Diesel engines — fuel heating
Exhaust systems
General description
Exhaust system — removal and installation
Reducing the content of harmful substances in exhaust gases
EGR system — check status
TDI diesel engines — EGR system
Ignition system
Ignition System Specifications
General description and precautions
Ignition System — Troubleshooting
Ignition distributor — checking, removal and installation
High voltage wires
Spark plugs
Ignition timing angle
Transmission
Clutch
General description
Clutch — check
Clutch — removal and installation
Car gearbox
Manual and Automatic Transmission Specifications
Manual transmission
Manual gearbox — removal and installation
Automatic transmission: general information
Automatic transmission operation diagram
Automatic transmission — removal and installation
Manual transmission — checking the oil level
Automatic transmission — checking the oil level
Chassis
Brake system
Brake system specifications
General description
Disc brakes
Brake discs and pads — checking condition and replacement
Brake drum — removal, inspection and installation
Brake pads — removal and installation
Rear disc brakes
Parking brake
Master Brake Cylinder — Removal and Installation
Brake booster — inspection, removal and installation
Rear brake fluid pressure regulator
Brake fluid circulation lines and hoses — removal and installation
Air in the brake system — removal
ABS system
Suspension and steering wheel
General description
All-wheel drive quattro models
Front suspension shock absorber strut — removal and installation
Front Suspension Shock Absorber — Replacement
Ball joint — replacement
Wishbone — Removal and Installation
Rear shock absorber strut: front wheel drive vehicles
Rear suspension shock absorber: quattro vehicles
Rear shock absorber — removal and installation
Rear Wheel Hub Bearing — Adjusting Play
Drive axle shafts
Drive axle shafts — disassembly
Steering control
Steering wheel — removal and installation
Wheel installation
Body
Body and trim
General description
Front bumper — removal and installation
Engine Mudguard and Radiator Grille — Removal and Installation
Hood — removal and fitting
Wings — removal and installation
Front Fender and Door Moldings — Removal and Installation
Doors
Exterior rear view mirrors
Trunk lid — removal and fitting
Rear drop door
Rear bumper — removal and installation
Instrument panel and center console
Seats
Electrical equipment
Electrical system
General description
Central distribution panel
Fuses — replacement and purpose
Alternator
Generator — Checking, Removing and Installing
Alternator Belt — Tension
The rechargeable battery
Starter — Removing and Replacing Brushes
Lighting fixtures
External Light Bulbs — Replacement
Headlights — removal and installation
Lighting and backlighting lanterns
Control devices and control lamps
Diagnostic unit for the functioning of the main vehicle systems (Auto-Check-System)
Switches
Ignition and steering lock switch — removal
Glass cleaners and washers
Radio receiver — removal and installation
Adjustable mirrors and electric windows
Central lock
Electrical circuits
Electrical diagram of battery, starter, generator, intake manifold electric motor
Electrical diagram of the fuel pump, fuel injection system, control unit of the Mono-Motronic system
Electrical diagram of heated lambda probe, electromagnetic valve of absorber and other
Electrical diagram of the Hall sensor, ignition coil with switch, ignition distributor
Electrical diagram of ignition and starter switch, X-contact load relay and more
Electrical diagram of the electric fan for blowing the radiator, the electric fan thermal switch
Wiring diagram for headlights, parking lights, taillights, brake lights and more
Wiring diagram of the light switch, headlight switch and light signaling
Wiring diagram for glove compartment lighting, trunk lighting, license plate, engine compartment
Direction indicator and hazard warning light wiring diagram
Wiring diagram for windshield wiper and washer, headlight washer and more
Electrical diagram of the instrument panel, tachometer, electronic clock, instrument lighting regulator
Electrical diagram of the instrument panel, voltage stabilizer, coolant temperature gauge
Electrical diagram of the instrument panel, small on-board control system, oil pressure control
Wiring diagram for fog lights, rear fog lights, parking light control
Wiring diagram of interior ventilation, cigarette lighter
Electrical diagram of door switches for lighting, interior lighting, vanity mirror
Electrical diagram of rear window heating, radio
Electrical diagram of the Digifant fuel injection system, lambda control and more
Electrical diagram of the fuel injection system Digifant, fuel pump relay, fuel pump
Electrical diagram of the fuel injection system Digifant, ignition system
Electrical diagram of the electric fan for blowing the radiator
Electrical diagram of the thermal switch for turning on the electric fan for blowing the radiator
Electrical diagram of the fuel injection system KE-III-Jetronic, lambda probe
Electrical diagram of the fuel injection system KE-III-Jetronic
Electrical diagram of the KE-III-Jetronic fuel injection system, knock control, fuel pump relay
Electrical diagram of the ignition system
Electrical diagram of the MPFI fuel injection system, injectors, ignition system
Electrical diagram of the MPFI fuel injection system, ignition system, anti-knock control
Electrical diagram of the MPFI fuel injection system, lambda probe
MPFI Fuel Injection System Wiring Diagram, Fuel Pump Relay, Fuel Pump
Electrical diagram of the fuel injection system MPI, ignition system
Electrical diagram of the fuel injection system MPI, ignition system and other
Electrical diagram of the fuel injection system, oxygen sensors
Electrical diagram of the fuel injection system, fuel pump relay, fuel pump
Wiring diagram of the central lock, ceiling light with delayed switching on, lighting of cosmetic mirrors
Wiring diagram of the central lock, interior light with delayed switch-off and other
Electrical diagram of electric windows
Electrical diagram of electric windows
Electrical diagram of battery, starter, generator
Glow plug wiring diagram, glow plug relay, start relay
Electrical diagram of the power supply system control unit
Electrical diagram of the control unit of the fuel system of the diesel engine, accelerator pedal sensor and other
Electrical diagram of the control unit of the fuel system of the diesel engine, engine speed sensor and other
Electrical diagram of ignition and starter switch, X-contact load relay and more
Wiring diagram for headlights, parking lights, taillights, brake lights
Wiring diagram of the light switch, headlight switch and light signaling
Wiring diagram for glove compartment lighting, trunk lighting, license plate lighting, etc.
Wiring diagram of direction indicators and hazard warning lights
Wiring diagram of windshield wiper and washer, headlight washer, heated windshield washer jets
Electrical diagram of the instrument panel, control unit of the small on-board monitoring system, speedometer and other
Electrical diagram of the instrument panel, tachometer, electronic clock
Electrical diagram of the instrument panel, voltage stabilizer, coolant temperature gauge
Radiator Fan Wiring Diagram
Wiring diagram for fog lights, rear fog lights, parking light control
Electrical diagram of door switches for lighting, interior lighting, vanity mirror
Electrical diagram of interior ventilation, radio, rear window heating
Electrical diagram of battery, starter, generator
Electrical diagram of glow plugs, fuel cut-off valve, glow plug relay
Electrical diagram of the oil cooler fan relay, water pump relay
Electrical diagram of the instrument panel, control unit of the on-board monitoring system and other
Radiator Fan Wiring Diagram
Electrical diagram of battery, starter, generator
Electrical diagram of the exhaust gas regeneration and idle speed increase control unit
Electrical diagram of the water pump relay, glow plugs
Electrical diagram of the instrument panel, control unit of the small on-board monitoring system and other
Radiator Fan Wiring Diagram
Electric sunroof cover wiring diagram
Electrical diagram of electric windows
Electrical diagram of electric windows
Airbag Wiring Diagram
Headlight range controller wiring diagram
Electrical diagram of external rearview mirrors with electric drive and heating
Electrical diagram of the heating of the lock switches
Wiring diagram of central lock, ceiling light with delayed switch-off and other
Wiring diagram of the central lock, ceiling light with delayed switch-off, vanity mirror lighting
Electrical diagram of the sensor of the UK signal from the remote control of the anti-theft system
Wiring diagram of air conditioner with manual control
Wiring diagram of air conditioner with manual control
ABS and electronic differential lock wiring diagram
Electrical diagram of the towing hitch with a control system
Electrical diagram of the diagnostic unit for the functioning of the main systems of cars
Electrical diagram of the diagnostic unit for the functioning of the main systems of cars with diesel engines
Wiring diagram of Avant cars
Audi 100 C3
(1982-1990, diesel)
General information
User manual
Controls and instruments (before 1988)
Controls and instruments (since 1988)
Keys
Hood lock mechanism
Glasses
Rear view mirrors
Seats
Electric seat adjustment drive
Increased luggage compartment (Avant)
Luggage compartment cover (Avant)
Trunk hatch
Headrests
Parking brake lever
Gear shift lever
Automatic transmission
Ignition switch
Cold Engine Idle Speed Adjustment
Control lamps
On-Board Monitoring System (OBMS)
Checking the functionality of the BSC
Application of BSC
Control devices
On-board computer
Programmable speed controller
Switches
Mechanical headlight adjustment
Heating and air flow control panel
Automatic air conditioner
Luke
Heating the passenger compartment: general recommendations
Recommendations for air conditioner maintenance
Description of Quattro models
Starting the engine (carburetor models)
Maintenance
General dimensions, weights and capacities
Vehicle Identification Numbers
Weekly checks
Engine oil level
Coolant level
Brake fluid level
Washer fluid level
Power Steering Fluid Level
Windscreen wiper blades
Tire condition and pressure
Tread wear patterns
Battery
Maintenance schedule
Engine compartment and underbody of 5-cylinder diesel model 2.5L turbo
Recommended lubricants and fluids
Troubleshooting
Engine
Cooling system
Fuel and exhaust systems
Clutch
Manual transmission
Automatic transmission
Drive shafts
Brake system
Suspension and steering
Electrical system
Power unit
Engine in a car
Diesel Engine Specifications in Engine Bay
General description
Valve timing marks — general description and use
Checking the compression in the cylinders
Toothed drive belt — removal, inspection and installation
Fuel Pump Drive Belt — Removal, Inspection and Installation
Timing Belt and Sprocket Tensioner Mechanism — Removal and Installation
Auxiliary drive belt — removal, installation and tensioning
Camshaft Cover — Removal and Installation
Camshaft Seals — Replacement
Crankshaft seals — replacement
Cylinder head — removal, inspection and installation
Pushers — checking and adjusting clearances
Flywheel/Drive Disc — Removal, Inspection and Installation
Engine Mounts — Inspection and Replacement
Pallet — removal, inspection and installation
Oil pump and its intake pipe — removal, inspection and installation
Engine removed
Engine Removal Specifications and Overhaul Procedures
General description
Engine Overhaul — General Information
Engine Removal — Methods and Precautions
Engine — removal and installation
Engine Overhaul — Preliminary Information
Cylinder head — disassembly, cleaning, inspection and assembly
Piston/Connecting Rod Assemblies — Removal and Inspection
Crankshaft — removal and inspection
Cylinder block/crankcase — cleaning and inspection
Main and connecting rod bearings — inspection and selection of liners
Engine assembly sequence
Crankshaft — installation and checking of working clearance
Pistons and piston rings — assembly
Piston/Connecting Rod Assemblies — Installing and Checking Connecting Rod Bearing Clearance
Engine — Starting after Overhaul
Cooling system
Cooling system specifications
General description
Maintenance and inspection
Cooling system — drain
Cooling system — flushing
Cooling system — filling
Antifreeze mixture
Radiator — removal, inspection, cleaning and installation
Thermostat — Removal, Checking and Installation
Water pump — removal and installation
Cooling Fan Thermal Switch — Checking, Removing and Installing
Coolant Temperature Sensor — Removal and Installation
Fuel system
Fuel System Specifications
General description and precautions
Air Filter Assembly — Removal and Installation
Throttle Cable and Throttle Pedal Components — Removal and Installation
Fuel level sensor — removal and installation
Fuel tank — removal and installation
High pressure fuel pump — removal, installation and adjustment
Idle speed and maximum engine speed — checking and adjustment
Injectors — general description, removal and installation
Fuel cut-off valve — removal and installation
Intake manifold — removal and installation
Exhaust system
Exhaust and Emissions Aftertreatment System Specifications
General description
Crankcase Gas Removal System — General Description
Exhaust Gas Recirculation System — Information and Component Removal
Exhaust manifold — removal and installation
Turbogenerator — general description, removal and installation
Air cooler (intercooler) — removal and installation
Exhaust system — general description and replacement of components
Catalytic Converter — General Description and Precautions
Starting and charging
Starting and charging system specifications
General description and precautions
Battery — testing and charging
Battery — Removal and Installation
Generator/Charging System — In-Car Check
Generator — removal, overhaul and installation
Generator — Brush Holder/Voltage Regulator Replacement
Launch system — check
Starter — removal and installation
Starter — check and overhaul
Preheating
Preheating System Specifications
Pre-heating system — description and testing
Glow Plugs — Checking, Removing and Installing
Transmission
Clutch
Clutch specifications
General description
Clutch — adjustment
Clutch cable — removal and installation
Clutch pedal — removal and installation
Clutch Master Cylinder — Removal and Installation
Clutch Master Cylinder — Overhaul
Clutch slave cylinder — removal and installation
Clutch slave cylinder — overhaul
Clutch — removal, inspection and installation
Clutch release bearing and mechanism — removal, inspection and installation
Clutch hydraulic system — bleeding
Mechanical gearbox
Manual Transmission Specifications
General description
Maintenance and inspection
Gearbox — removal and installation
Gearbox (014) — disassembly into main blocks
Input shaft (014) — disassembly and assembly
Output shaft (014) — disassembly and assembly
Gearbox/Final Drive Housing (014) — Maintenance
Bearing/Gear Housing (014) — Service
Shift Cover (014) — Maintenance
Gearbox (014) — assembly
Gear Shift Lever (014) — Removal, Installation and Adjustment
Gear shift rod (014) — disassembly and assembly
Gearbox (013, 093) — disassembly into main blocks
Input shaft (013 and 093) — disassembly and assembly
Output shaft (013 and 093) — disassembly and assembly
Gearbox/Final Drive Housing (013 & 093) — Service
Gear Fastener (013 and 093) — Maintenance
Shift Cover (013 and 093) — Service
5th Gear Components (013 & 093) — Service
Gearbox (013, 093) — assembly
Gear Shift Lever (013 and 093) — Removal, Installation and Adjustment
Gear shift rod (013 and 093) — disassembly and assembly
Gearbox (016) — disassembly into main blocks
Input shaft (016) — disassembly and assembly
Output shaft (016) — disassembly and assembly
Bearing/Gear Fastener (016) — Service
Gearbox/Final Drive Housing — Service (016)
Gear Fastener Housing Coating (016) — Maintenance
5th Gear Parts (016) — Maintenance
Gearbox (016) — assembly
Gear Shift Lever (016) — Removal, Installation and Adjustment
Gear shift rod (016) — disassembly and assembly
Automatic gearbox
Automatic Transmission Specifications
General description
Maintenance and inspection
Transmission Fluid — Draining and Filling
Automatic transmission — removal and installation
Torque Converter — Checking and Draining Fluid
Fuel pedal and traction control — adjustment
Lever and cable — removal, installation and adjustment
Starter interlock — removal, installation and adjustment
Troubleshooting — Automatic Transmission
Drive shafts
Drive shaft specifications
General description
Maintenance and inspection
Drive shafts — removal and installation
Drive shafts — overhaul
Chassis
Brake system
Brake system specifications
General description
Maintenance and inspection
Front Brake Disc Pads — Checking and Replacing
Front Disc Support — Removal and Installation
Front Disc Support — Overhaul
Front brake disc — removal and installation
Rear Brake Pads — Checking and Removing
Rear wheel cylinder — removal, overhaul and installation
Brake drum — inspection and replacement
Rear Brake Disc Pads — Checking and Replacing
Rear Disc Support — Removal and Installation
Rear Disc Support — Overhaul
Rear brake disc — removal and installation
Master Cylinder — Removal and Installation
Pressure regulator — testing and adjustment
Brake pipes and hoses — removal and installation
Hydraulic system — bleeding
Brake pedal — removal and installation
Handbrake — adjustment
Handbrake lever — removal and installation
Handbrake cable — removal and installation
Vacuum servo drive — description and testing
Vacuum servo — removal and installation
Hydraulic booster unit — description and testing
Hydraulic booster unit — removal and installation
Pressure accumulator — removal and installation
Anti-lock braking system (ABS) — general description
ABS — precautions
ABS Components — Removal and Installation
Suspension
Suspension specifications
General description
Maintenance and inspection
Front suspension strut — removal and installation
Front suspension strut — disassembly and assembly
Front hub bearings — removal and installation
Anti-roll bar — removal and installation
Front Control Arm — Removal and Installation
Rear axle — removal and installation
Rear suspension strut/shock absorber — removal and installation
Rear suspension strut/shock absorber — disassembly and assembly
Diagonal tie rod — removal, overhaul and installation
Rear hub bearings — removal, installation and adjustment
Self-leveling suspension — general description
Suspension Self-Leveling Regulator Valve — Testing
Suspension Self-Leveling Regulator Valve — Traction Adjustment
Self-leveling unit of suspension strut — removal and installation
Self-leveling suspension reservoirs — removal and installation
Front wheel alignment and steering angles
Wheels and Tires — General Precautions and Maintenance
Steering
Steering Specifications
Steering wheel — removal and installation
Steering column — removal, overhaul and installation
Steering rod — removal and installation
Steering gear — removal and installation
Steering Damper — Checking, Removing and Installing
Steering Gear Boot Replacement
Steering gear — adjustment
Power steering mechanism — bleeding
Power Steering Mechanism — Leak Check
Power steering pump drive belt — removal, installation and adjustment
Power steering pump — removal and installation
Body
Exterior
General description
Body and subframe — maintenance
Minor body damage — repair
Severe body damage — repair
External door handle — removal and installation
Doors — removal and disassembly
Doors — removal and installation
Hood — removal, installation and adjustment
Hood Holder Strut — Removal and Installation
Hood Lock Cable — Removal, Installation and Adjustment
Trunk lid — removal, installation and adjustment
Trunk lid lock — removal, installation and adjustment
Rear door (station wagon models) — removal, installation and adjustment
Tailgate Lock (Station Wagon Models) — Removal, Installation and Adjustment
Windshield, Rear Window and Door Glass — Removal and Installation
Luke — General Description
Bumpers — removal and installation
Radiator and ventilation grilles — removal and installation
Car bodywork of later years of production — changes and additions
Interior
Upholstery and Carpets — Maintenance
Door trim — removal and installation
Door locks — removal and installation
Door strike plate — adjustment
Panel — removal and installation
Central control panel — removal and installation
Seats — removal and installation
Electrical equipment
Equipment and devices
Electrical System Specifications
General information
Electrical System Troubleshooting — Tips
Fuses, relays and control units — general description
Ignition Socket/Steering Column Lock — Removal and Installation
Combination switch — removal and installation
Switches on the central console and on the panel — removal and installation
Interior Light Switches — Removal and Installation
Instrument panel — removal and installation
Instruments — removal, testing and installation
Speedometer Drive Cable — Removal and Installation
Headlights and headlight bulbs — removal and installation
Headlights — adjustment
Lamps and lamp units — removal and installation
Windscreen wiper blades and arms — removal and installation
Windscreen wiper linkage and motor — removal and installation
Windshield Washer System — Removal, Installation and Adjustment
Rear Door Wiper Blades and Arm (Avant) — Removal and Installation
Rear Door Wiper Motor (Avant) — Removal and Installation
Sound signal — removal and installation
Headlight washers — removal and installation
Radio and loudspeakers — removal and installation
Speed Control System — Removal and Installation of Parts
On-board computer — general description
Autocontrol system — general description
Front seats with electric adjustment — general description
Heater Blower Motor (without A/C) — Removal and Installation
Heater Remote Control (without Air Conditioner) — Removal and Installation
Air Conditioner — Precautions and Maintenance
Air Conditioner Drive Belt — Removal, Installation and Adjustment
Electrical circuits
Electrical Wiring Diagrams — Description
Grounding points
Battery, starter and generator
Pre-heating system
Radiator fan of the cooling system
Hazard warning lights, direction indicators, tail lights and brake light
Ignition and lighting switches, side marker light buzzer and radio, side marker lights
Combined high-low beam headlight switch
Fog lights and rear anti-fog lights
Reversing lights, license plate lights, glove compartment lights and more
Coolant level and brake lining wear monitoring, oil pressure sensor
Instrument panel and indicator lights
Grounding points
Instrument panel lighting and indicator lights
Rear window defroster and HVAC blower
Cigarette lighter, ashtray, radio
Interior lighting with delay system, door switches and trunk lighting
Auto control system
Audi 100 C3
(1982-1990, petrol)
General information
Maintenance and operation
Introduction to the repair manual
Vehicle Passport Data
Lifting and towing a car
Starting the engine
Operation of the overheating and coolant level warning lamp
Adding fluid to the cooling system
Maintenance of the power supply system
Clutch Maintenance Frequency
Frequency of checking the oil level in the manual transmission
Automatic transmission selector
Frequency of checking the oil level in the automatic transmission
Front wheel drive
Mechanical steering
Power steering
Checking the oil level in the power steering system
Front and rear suspension
Anti-lock braking system
Tachometer (depending on configuration)
On-Board Control System (OBCS) Unit
On-board computer
Working with the on-board computer
Programmable speed controller
Automatic air conditioner
Fuels and lubricants of domestic production and their foreign analogues
Controls and instrumentation
General requirements for car repair
Detailed technical specifications of cars
4 cylinder engine
Engine repair
Main technical characteristics of the engine
Cylinder head — technical characteristics
Cylinder Block — Technical Specifications
Crank mechanism — technical characteristics
Valve timing mechanism — technical characteristics
Tightening torques for main threaded connections
Checking and adjusting clearances in the valve drive mechanism
Hydraulic tappets
Timing mechanism parts
Removing and installing the camshaft drive belt
Cylinder head parts
Removing the cylinder head
Installing the cylinder head
Disassembly and repair of the cylinder head
Cylinder head assembly
Powertrain and gearbox suspension parts
Removing and installing the engine
Crank mechanism parts
Disassembling the engine
Engine assembly
Cooling and lubrication system
Lubrication system — technical characteristics
Cooling system — technical characteristics
Lubrication system parts
Removing and installing the oil pump
Disassembly, inspection and assembly of the oil pump
Checking the oil pressure in the lubrication system
Cooling system parts
Replacing the coolant
Removing and installing the coolant pump
Adjusting the alternator drive belt tension
Supply system
Power supply system — technical characteristics
Carburetor Pierburg 1B3 — technical characteristics
Carburetor Pierburg 2E2 — technical characteristics
Keihin 26-30 DC Carburetor — Specifications
Checking the fuel pump discharge pressure
Carburetor Pierburg 1B3 — operating principle
Checking and adjusting the Pierburg 1B3 carburetor
Main parts of the Pierburg 1B3 carburetor
Carburetor Pierburg 2E2 — operating principle
Checking and adjusting the Pierburg 2E2 carburetor
Pierburg 2E2 Carburetor Parts
Air filter, intake manifold and fuel system parts
Keihin 26-30 DC Carburetor Parts
Keihin 26-30 DC Carburetor — Operating Principle
Adjusting the Keihin 26-30 DC carburetor
Details of the exhaust system
Ignition system
Ignition system — technical characteristics
The structure and principle of operation of the electronic ignition system
Removing and installing the ignition distributor sensor
Ignition distributor sensor parts
Setting the ignition timing
Ignition system troubleshooting diagram, voltage testing
5 cylinder engine
Engine repair
Detailed technical specifications of the engine
Cylinder head — technical characteristics
Cylinder Block — Technical Specifications
Crank mechanism — technical characteristics
Valve timing mechanism — technical characteristics
Tightening torques for main threaded connections
Checking and adjusting clearances in the valve drive mechanism
Hydraulic tappets — operating principle
Checking the technical condition of hydraulic tappets
Timing mechanism parts
Removing and installing the camshaft drive belt
Checking and adjusting the tension of the camshaft drive belt
Cylinder head parts
Removing the cylinder head
Installing the cylinder head
Disassembly and repair of the cylinder head
Cylinder head assembly
Powertrain suspension parts
Removing and installing the engine
Disassembling the engine
Engine repair
Engine assembly
Cylinder Block Parts
Crank mechanism parts
Cooling and lubrication system
Lubrication system — technical characteristics
Cooling system — technical characteristics
Lubrication system parts
Removing and installing the oil pump
Checking the oil pressure in the lubrication system
Replacing the coolant
Cooling system parts
Removing and installing the coolant pump
Supply system
Power supply system — technical characteristics
Engine power system model «WH»
Main parts of the Keihin carburetor
Keihin carburetor — operating principle
Checking and adjusting the Keihin carburetor
Fuel injection system «K-Jetronic» of engines «WC», «KU» and «RT»
Checking and adjusting the fuel injection system «K-Jetronic»
Removing and installing the metering unit with air flow meter
Removal and installation of injection nozzles (K-Jetronic)
Checking the characteristics of the starting injector (K-Jetronic)
Engine idle speed adjustment (K-Jetronic)
Regulation of carbon monoxide (CO) content in exhaust gases (K-Jetronic)
KE-Jetronic fuel injection system for the NF engine
Checking and adjusting the fuel injection system «KE-Jetronic»
Possible malfunctions of the KE-Jetronic fuel injection system
Details of the exhaust system
Ignition system
Ignition system — technical characteristics
The structure and principle of operation of the electronic ignition system
Removing and installing the ignition distributor sensor
Setting the ignition timing
Ignition System Troubleshooting Diagram
Transmission
Clutch and drive shafts
Detailed technical specifications of the clutch
Tightening torques for main threaded connections
Clutch parts
Removing and installing the clutch
Mechanical clutch drive
Removing and installing the clutch release bearing
Removing and installing the clutch slave cylinder
Removing and installing the clutch master cylinder
Adjusting the free travel of the clutch pedal
Detailed technical characteristics of drive shafts
Front Wheel Drive Shaft Parts
Removing and installing front wheel drive shafts
Removing and installing the outer joint of the front wheel drive shaft
4 speed gearbox 014
Detailed technical specifications of the transmission
Tightening torques for main threaded connections
Four-speed gearbox parts
Removing and installing the gearbox
Disassembling the gearbox
Disassembly and assembly of the primary shaft
Disassembly and assembly of the secondary shaft
Gearbox assembly
Disassembling and assembling the differential
Calculation of the thickness of the adjusting rings of the rear shaft bearings
Adjusting the distance between the end of the drive gear and the differential axle
Selecting the secondary shaft rear bearing adjusting ring
Selecting the differential bearing adjusting ring
Adjusting the lateral clearance in the engagement of the main transmission gears
Checking the position of the gear shift lever
Gear shift control mechanism parts
5 speed gearbox 013 and 093
Detailed technical specifications of the transmission
Tightening torques for main threaded connections
Details of five-speed gearbox types 013 and 093
Removing and installing the gearbox
Disassembling the gearbox
Disassembly and assembly of the primary shaft
Disassembly and assembly of the secondary shaft
Gearbox assembly
Disassembling and assembling the differential
Distance between the end face of the main gear pinion and the differential axle
Gear shift control mechanism parts for type 013 and 093 transmissions
Checking the position of the gear shift lever
Adjusting the gear shift drive
5 speed gearbox 016 and 012
Detailed technical specifications of the transmission
Tightening torques for main threaded connections
Details of five-speed gearbox type 016
Removing and installing the gearbox
Disassembling the gearbox
Disassembly and assembly of the primary shaft
Disassembly and assembly of the secondary shaft
Removing and installing the differential
Secondary shaft bearing preload
Distance between the end face of the main gear pinion and the differential axle
Lateral clearance in the engagement of the main transmission gears between the gear teeth
Removing and installing ball bearings
Gearbox assembly
Gear shift control mechanism parts
Adjusting the gear shift control mechanism
Passive safety system «PROCON-TEN»
Automatic gearbox
Detailed technical specifications of automatic transmission
Tightening torques for main threaded connections
Automatic transmission parts
Removal and installation of automatic transmission
Torque converter
Checking the torque converter
Automatic transmission control mechanism parts
Adjusting the throttle control cables
Adjusting the gear shift control mechanism
Adjusting the 2nd gear brake band
Checking the electromagnetic switch of the selector lever lock
Installing the electromagnetic switch for locking the selector lever
Removing and installing the inner joint of the front wheel drive shaft
Chassis
Steering
Detailed technical specifications of the steering system
Steering shaft parts
Steering Parts
Removing and installing the steering gear
Adjusting the steering wheel free play
Removing and installing the steering shaft
Steering shaft with passive safety system «PROCON-TEN»
Disassembly and assembly of the steering mechanism
Checking the tightness of the power steering system
Checking the power steering pump discharge pressure
Filling the power steering system
Adjusting the tension of the power steering pump drive belt
Front suspension
Detailed technical specifications of the front suspension
Tightening torques for main threaded connections
Front suspension parts
Removing and installing a telescopic stand
Disassembly and assembly of a telescopic stand
Removing and installing the shock absorber without removing the telescopic strut
Removing and installing the anti-roll bar
Adjusting the front wheel alignment
Front wheel alignment
Disassembling and assembling the front wheel hub
Front wheel alignment angles
Rear suspension
Detailed technical specifications of the rear suspension
Tightening torques for main threaded connections
Rear suspension parts
Removal and installation of the rear suspension unit (shock absorber assembly with spring)
Disassembly and assembly of the suspension unit
Removing and installing the rear suspension
Body position regulator
Adjusting the control valve drive rods
Checking pressure accumulators
Removing and installing rear wheel hubs
Replacing hub bearings
Adjusting the clearance in the rear wheel hub bearings
Brake system
Detailed technical characteristics of the brake system
Tightening torques for main threaded connections
Front wheel brake mechanism parts
Rear wheel brake mechanism
Replacing the front brake pads ATE
Replacing Front Brake Pads Girling
Removing and installing the brake disc
Replacing the rear drum brake shoes
Adjusting the parking brake
Parking brake drive parts
Rear wheel disc brake mechanism parts
Replacing rear disc brake pads
Removing and installing the rear brake disc
Adjusting the operation of the disc parking brake
Brake booster, master cylinder and pressure regulator parts
Removing and installing the brake master cylinder
Checking the tightness of the pressure regulator
Checking and adjusting the pressure in the hydraulic brake system
Checking the air pressure in the pressure accumulator
Checking the tightness of the accumulator check valve
Checking the battery safety valve
Bleeding the brake hydraulic system
Bleeding the brake hydraulic system with a special device
Bleeding the brake hydraulic system without special installation
The principle of operation of the ABS system
Features of the ABS system
ABS system operation
Precautions for vehicles with ABS
Removal and installation of the hydraulic unit
Removal and installation of the electronic ABS control unit
Removing and installing wheel speed sensors
Body
Body elements
Heater — design description
Removing and installing the heater fan
Removing and installing the heater
Removing and installing the radiator grille
Removing and installing the front bumper
Replacing the mudguard assembly with the front side member
Front End Reinforcement — Removal and Installation
Removing and installing the hood
Removing and installing front fenders
Rims and decorative caps
Front and rear bumper parts
Car headlight parts
Car hood parts
Removing and installing the outside rearview mirror
Interior rear view mirror
Removing and installing the ceiling
Removing and installing the rear bumper
Doors, locks and windows
Removing and installing a sunroof
Removing and installing door trim
Removing and installing doors
Roof hatch parts
Front door details
Rear door details
Door locking mechanism
Door and hinge parts
Car body glazing
Removing and installing the windshield
Trunk and luggage compartment parts
Rear Door Lock Parts
Repair of rear window heating element
Removing and installing the trunk lid (tailgate)
Body repair
Body repair without removing chassis components and assemblies
Checking the geometric characteristics of the body on the repair and verification stand
Repair and replacement of welded elements of the body frame
Reference dimensions for checking the body frame
Front body parts
Replacing the front pillar of the body side
Replacement of the middle pillar of the body side
Body side parts
Replacing the roof panel of the car body
Body floor parts
Partial replacement of door thresholds
Replacing the rear fender panel
Car roof parts
Replacing the rear inner wheel housing
Replacing the rear wheel housing
Replacement of the rear panel of the luggage compartment
Replacement of the luggage compartment floor
Replacing a part of the rear floor member
Luggage compartment floor details
Interior luggage compartment panel details
Front wing details
Paintwork care
Reference dimensions for checking body control points
Electrical equipment
Equipment and devices
Detailed technical characteristics of electrical equipment
Lamps used in the car
Fuses — location and ratings
Relay — location and designation
Windscreen wiper and washer parts
Removing and installing the windshield wiper
Removing and installing the instrument cluster
Location of lamps in the instrument cluster
Purpose of plugs in instrument cluster connectors
Checking the coolant temperature and fuel level gauges
Instrument cluster details
Headlight adjustment
Power devices
Generator parts
Removing and installing the generator
Disassembly and assembly of the generator
Adjusting the alternator drive belt tension
Starter parts
Removing and installing the starter
Disassembling and assembling the starter
Electrical circuits
Wire color designation
Automatic transmission electrical diagram
Automatic transmission diagram of 1985 cars
Schematic diagram of the centralized door locking system
Wiring diagram of AUDI «100» cars with «DR» engine 1983
Wiring diagram for AUDI «100» cars with «WH» engine 1983
Wiring diagram of AUDI «100» cars with «WC» engine 1983
Features of the electrical circuit of cars AUDI «100» with the engine «DR» 1984
Features of the electrical circuit of AUDI «100» cars with the «DS» engine
Wiring diagram of AUDI «100» cars with «KU» engine 1985
Door window lifter diagram
Windshield wiper and washer circuit diagram
Headlight washer wiring diagram
Control diagram of the centralized door locking system
Electrical equipment diagram of AUDI «100» cars with carburetor engines
Door window lifter wiring diagram
Wiring diagram for the electric drive of the sunroof
Direction indicators, hazard warning lights, rear lights (DR engine)
Ignition switch, exterior lighting switch (DR engine)...
Fog lights, rear fog light (RT engine)
Reversing light, number plate light, underhood light (RT engine)...
Windscreen wiper and washer, headlight washer. Horn (RT engine)
Coolant temperature and level, brake pad wear warning lights (RT engine)
Instrument cluster, speedometer (DR engine)
Instrument cluster (DR engine)
Rear window heating, heater fan (DR engine)
Cigarette lighter, ashtray lighting, radio (DR engine)
Interior light, light switches in door pillars (DR engine)
Battery, generator, ignition system (DR engine)
Oil pressure warning light and buzzer (DR engine)...
Warning lights for emergency overheating and coolant level (DR engine)...
Instrument cluster, engine cooling fan (DR engine)
Ignition system, fuel pump relay (DR engine)
Idle speed control, oil pressure warning lamp (DR engine)
Battery, starter, generator (RT and NF engine)
Cooling system fan (RT and NF engine)
Ignition switch, exterior lighting switch (RT and NF engine)...
Direction indicators and hazard warning lights, side lights and brake lights (RT and NF engine)
Headlight switch, headlights (RT and NF engine)
Fog lights, rear fog light (RT and NF engine)
Windscreen wiper, headlight washer, horn (RT and NF engine)
Rear window heating, heater fan (RT and NF engine)
Reversing light, number plate light (RT and NF engine)...
Coolant temperature and level warning lights (RT and NF engines)...
Instrument cluster, speedometer (RT and NF engine)
Instrument cluster (RT and NF engine)
Cigarette lighter, ashtray lighting, radio (RT and NF engine)
Interior light, light switches in door pillars (RT and NF engines)
Fuel injection system «KE-III-Jetronic» with knock sensor (NF engine)
Audi 100 C3
(1982-1990)
General information
User manual
Instrument cluster for models produced before January 1988
Instrument cluster control lamp unit
Instrument cluster for models produced since January 1988
Power windows with electric drive
Electrically adjustable outside rear view mirror
Interior rear view mirror
Opening the engine compartment hood
Front seats with manual adjustment
Front seats with electric adjustment
Transportation of long items
Starting the engine
Precautions when stopping the engine
Cruise control
Heating and ventilation
Air Conditioner Control Panel
On-board computer
Trip computer control on models produced before January 1988.
Locking the inner handle of the rear door lock
Running in a car
Checking the car before leaving
Replacement of operating fluids and lubricants
Maintenance
Maintenance of vehicles manufactured before August 1985.
Engine Maintenance (before August 1985)
Transmission Service (Before August 1985)
Steering Maintenance (Before August 1985)
Brake system maintenance (before August 1985)
Electrical Equipment Maintenance (until August 1985)
Body maintenance (until August 1985)
Maintenance of vehicles manufactured since August 1985.
Engine Maintenance (After August 1985)
Transmission Service (After August 1985)
Steering Maintenance (After August 1985)
Brake system maintenance (after August 1985)
Electrical Equipment Maintenance (after August 1985)
Body maintenance (after August 1985)
Frequency of lubrication of vehicle components
Specifications
Introduction to the manual
Technical characteristics of cars
Technical characteristics of gasoline engines
Technical characteristics of diesel engines
Operating fluids
Tightening torques for critical threaded connections
Carburetor calibration data
Nominal and repair dimensions of parts and limits of permissible wear
Power unit
Engines 4-cylinder
The structure of a four-cylinder engine
Removing and installing the engine
Disassembly and assembly of the engine
Removing and installing the cylinder head
Removing the camshaft and valve lifters
Inspection of the camshaft
Determination of the technical condition of hydraulic valve lifters
Installing the camshaft and valve lifters
Removing and installing valves (disassembling the cylinder head)
Inspection, defect detection and repair of cylinder head parts
Clearances between camshaft lobes and valve lifters
Camshaft drive
Removing and installing the flywheel
Replacing crankshaft seals
Removing and installing the oil pan
Removing, checking and installing the oil pump
Disassembling the connecting rod and piston group
Inspection and testing of connecting rod and piston group parts
Assembly of the connecting rod and piston group
Removal, inspection and installation of the crankshaft
Removing and installing the intermediate shaft
Engines 5-cylinder
The structure of a five-cylinder engine
Removing and installing the engine
Removing and installing the cylinder head
Adjusting and tensioning the camshaft drive belt
Inspection, defect detection and repair of cylinder head parts
Removing the camshaft and valve lifters
Installing the camshaft and valve lifters
Removing and installing valves
Disassembly and assembly of the camshaft drive
Removing and installing the flywheel
Removing, checking and installing the oil pump
Replacing crankshaft seals
Crankshaft and connecting rod-piston group
Diesel engine
Diesel engine device
Checking the tension of the high-pressure fuel pump drive belt
Adjusting the tension of the fuel injection pump drive belt
Checking glow plugs
Cooling system
Cooling system
Replacing the coolant
Replacing and checking the thermostat
Removing and installing the water pump
Checking and replacing the electric fan switch sensor
Replacing the coolant temperature sensor
Removing and installing the cooling system radiator
Exhaust system
Removal and installation of the exhaust system
Replacing the lambda probe
Power system (carburetor)
Power supply system
Replacing the air filter element
Removing and installing the air filter
Checking the thermostat
Checking the thermostat valve
Removing and installing the fuel pump
Checking the fuel pump discharge pressure
Removing and installing the accelerator drive cable
Adjusting the accelerator cable
Replacing the fuel level sensor
Removing and installing the fuel tank
Replacing the fine fuel filter
Removing and installing the carburetor
Disassembly and assembly of the carburetor
Disassembly and assembly of carburetors of other models
Pierburg 1B3 Carburetor Adjustments
Adjusting the engine start speed (Pierburg 1B3)
Adjusting the starting clearances of the air damper (Pierburg 1B3)
Adjusting the throttle opening (Pierburg 1B3)
Adjusting the accelerator pump (Pierburg 1B3)
Idle speed adjustment (Pierburg 1B3)
Pierburg 2E2 carburetor adjustments
Adjusting the engine starting speed (Pierburg 2E2)
Adjusting the starting clearances of the air damper (Pierburg 2E2)
Checking the pneumatic drive of the second chamber throttle valve (Pierburg 2E2)
Adjusting the opening of the throttle valve of the second chamber (Pierburg 2E2)
Adjusting the accelerator pump (Pierburg 2E2)
Checking the operation of the pneumatic drive of the first chamber throttle valve (Pierburg 2E2)
Idle speed adjustment (Pierburg 2E2)
Keihin Carburetor Adjustments
Adjusting the engine starting speed (Keihin)
Adjusting the starting clearance of the air damper (Keihin)
Adjusting the opening of the throttle valve of the second chamber (Keihin)
Adjusting the performance of the accelerator pump (Keihin)
Idle speed adjustment (Keihin)
Power system (injector)
Replacing the air filter element
Removing and installing the air filter
Replacing the fuel filter
Removing and installing the fuel distributor
Disassembly and assembly of the pressure reducing valve
Removing and installing the fuel accumulator
Removal and installation of fuel injectors
Removing and installing a turbocharger
Removing and installing the fuel tank
Removing and installing the fuel pump
Checking the thermostat
Adjusting engine idle speed
Checking the starting injector
Checking the pressure regulator
Checking and adjusting the position of the air flow meter plate
Fuel system (diesel)
Checking the fuel supply
Pumping the power supply system
Adjusting the fuel supply cable
Adjusting the connecting rail
Checking and adjusting the idle speed
Checking and adjusting the maximum rotation speed
Replacing injectors
Draining sediment from the fuel filter
Replacing the fuel filter
Transistor ignition system
Ignition system — general description
Removing and installing the ignition distributor
Disassembly and assembly of the ignition distributor
Checking and adjusting the ignition timing angle
Checking the ignition coil
Checking the switch
Checking the Hall sensor
Checking spark plugs
Electronic ignition system
Checking the ignition coil
Checking the ignition timing sensor
Checking the crankshaft speed sensor
Ignition timing sensor, crankshaft speed sensor
Checking and replacing the air temperature sensor
Checking the coolant temperature sensor
Idle and throttle opening switches
Checking the Hall sensor
Checking the control unit
FEI Contactless Ignition System
Transmission
Clutch
Clutch device
Technical specifications
Removing the clutch
Inspection and defect detection of clutch parts
Clutch installation
Replacing the clutch release bearing
Adjusting the free travel of the clutch pedal
Clutch master cylinder
Clutch slave cylinder
Clutch Release Bearing (1988+ Models)
Bleeding the clutch release drive system
4 speed gearbox 014
Removing and disassembling the box
Disassembly and assembly of the primary shaft
Assembly and disassembly of the synchronizer
Disassembly and assembly of the secondary shaft
Disassembling and assembling the differential
Gearbox assembly
Selecting the thickness of the rear bearing adjusting rings
Gear shift lever
Adjustment and installation of the gear shift control mechanism
Gear ratios of manual transmissions
5 speed gearbox 013 and 093
Removing and installing the gearbox
Disassembling the gearbox
Disassembly and assembly of the primary shaft
Disassembly and assembly of the secondary shaft
Disassembling and assembling the differential
Gearbox assembly
Adjusting the gear shift control mechanism
5 speed gearbox 016 and 012
Five-speed gearbox device
Removing and installing the gearbox
Disassembling the gearbox
Primary shaft
Disassembly and assembly of the secondary shaft
Gearbox assembly
Shift mechanism KP 016
Gear shift control mechanism of the 016 type gearbox
Removing and installing the gear shift lever (type I)
Removing and installing the gear shift lever (type II)
Disassembling the gear shift lever
Gear Shift Lever Assembly
Adjusting the gear shift control mechanism
Automatic transmission
Automatic transmission ratios
Removing and installing the gearbox
Gearbox shift control mechanism
Electromagnetic switch for locking the selector lever
Front wheel drive
Removing and installing the axle shaft
Inner constant velocity joint (CV joint)
Outer constant velocity joint (CV joint)
Chassis
Front suspension
Telescopic stand
Replacing the shock absorber
Removing and installing the anti-roll bar
Front wheel hub
Rear suspension
Telescopic stand
Rear axle
Brake drum
Rear wheel hub (models with disc brake mechanism)
Adjusting wheel hub bearings
Steering
Technical characteristics of the steering
Steering wheel
Steering column
Steering column with PROCON-TEN passive safety system
Steering mechanism
Adjusting the steering mechanism
Steering rod
Power Steering Pump
Checking the power steering pump discharge pressure
Bleeding the power steering system
Power steering pump drive belt
Brake system
Technical characteristics of the brake system
Adjusting the brake pedal position
Brake master cylinder
Teves front wheel brake mechanism
Front wheel brake mechanism brand GIRLING
Brake disc
Caliper body and piston
Rear wheel drum brake mechanism
Brake drum
Wheel brake cylinder
Rear wheel disc brake mechanism
Pressure regulator
Parking brake
Adjusting the parking brake
Anti-lock braking system (ABS)
Bleeding the brake system
Body
Body elements
Removing and installing the front buffer
Removing and installing the radiator grille
Removing and installing the hood
Adjusting the bonnet lock cable
Replacing the locker
Front wing
Replacing the molding
Replacing the door glass seal
Door trim (vehicles produced before December 1987)
Replacing door glass and window lifter
Removing and installing the door
External door handle
Door lock
Adjusting the door lock
Removing and installing an electric window lift
Removing and installing the outside rearview mirror
Replacing the reflective element of the outside rearview mirror
Repair of the rear window heating element
Removing and installing the rear buffer
Removing and installing the trunk lid
Removing and installing the trunk lid lock
Replacing the rear decorative trim with a niche for the license plate
Removing and installing the center console
Cleaning the gutters (on models equipped with a hatch)
Removing and installing the heater
Electrical equipment
Lighting and appliances
Technical characteristics of electrical equipment
Fuses, relays and control units
Headlight bulb replacement
Replacing the parking light bulb
Removing and installing headlights
Headlight adjustment
Replacing the turn signal lamp
Removing and installing the turn signal
Replacing the fog light bulb
Adjusting the fog lights
Replacing the taillight bulbs on the wing
Replacing the tail light bulbs on the trunk lid
Replacing the license plate light bulb
Replacing the trunk light bulb
Replacing the interior light bulb
Replacing the directional light lamp
Removing and installing the instrument cluster
Checking the voltage stabilizer
Removing and installing the turn signal relay
Checking the reverse light switch
Checking the coolant temperature gauge sensor
Checking the fuel gauge
Adjusting the fuel gauge
Removing and installing the windshield wiper
Power devices
Generator device
Removing and installing the generator
Disassembly and assembly of the generator
Checking, inspecting and troubleshooting generator parts
Adjusting the alternator drive belt tension
Starter device
Removing and installing the starter
Disassembling and assembling the starter
Checking, inspecting and troubleshooting starter parts
Electrical circuits
Explanation of electrical circuits
Ground connection points
Generator, battery, starter
Ignition system, fuel pump relay
Idle speed control, oil pressure monitoring
Radiator fan (operation after engine stop)
Direction indicators, hazard warning lights, brake lights
Ignition switch, parking brake signals
Switch for direction indicators, parking lights and headlights
Headlights and rear fog lights
Reversing lights, instrument panel lighting, engine compartment lighting
Windscreen wipers, windscreen washers, headlight washers, horn
Coolant and brake pad wear warning lights
Instrument panel, speedometer
Instrument panel
Rear window heating, heater fan
Cigarette lighter, cigarette lighter lighting, radio
Interior trunk lighting
KE-Jetronic injection device
Fuel injection with controlled knock combustion
Ignition system, oil pressure control device
Instrument panel, coolant temperature sensor
KE III-Jetronic injection system (100 kW engine)
Battery, starter, generator (diesel engine)
Glow plugs, glow plug relay
Oil pressure monitoring device
Instrument panel housing
Electrically adjustable and heated exterior mirrors
Central lock
Radio tape recorder
Audi 100 C4
(1990-1994, petrol)
General information
Operation and maintenance
Introduction to the Audi 100 C4 (petrol engines) manual
The structure and operation of the vehicle transmission
Engine compartment — 4-cylinder engine 74 kW
Engine compartment — 4-cylinder engine 85 kW
Engine compartment — 5-cylinder engine 98 kW
Engine compartment — 6-cylinder engine 110 kW
Regular vehicle maintenance
Organization of the workplace
Troubleshooting a car
Technical data of cars
Maintenance plan
Checking the engine oil level
Engine oil consumption
Correct specification of motor oil
Changing engine oil and oil filter
Checking the power steering fluid level
Checking the manual transmission oil level
Checking the oil level in the rear axle drive
Checking the ATF level in an automatic transmission
Checking the oil level in the main gear of the automatic transmission
Lubrication of cable drives, hinges and locks
Power unit
Engine repair
The structure and differences of engines
Basic elements
Lubrication system
Crankcase ventilation
Visual inspection of the engine
Running in a new engine
Engine life
Nominal and maximum speed
Speed limitation
Measuring compression pressure
List of faults
Hydraulic tappets
Working with a toothed belt
Replacing the timing belt
Removing the camshaft
List of cylinder head gasket faults
Removing and installing the cylinder head
Removing and installing the engine
Exhaust system
Components of the exhaust system
Checking the suspension and condition of the exhaust system
Replacing the exhaust system
Removing individual elements
Cooling system
This is how cooling occurs
Checking the coolant level
Adding coolant
Frost resistance test
Checking the cooling system for leaks
Radiator
Threaded cap of expansion tank
Thermostat
List of faults
Water pump
Cooling system fan
Cooling system fan malfunctions
Hydraulic fan
List of faults in the cooling system
Supply system
Fuel tank
What is the purpose of fuel tank ventilation?
Fuel level sensor
Fuel accumulator
Fuel line
Fuel pump
Air filter
Removing the replacement air filter element
Blowing out the replaceable air filter element
Replacing the air filter element
Preheating of intake air
Intake manifold heating
Variable length intake manifold
Mono-Motronic injection system
Basic elements
Mono-Motronic Operating Procedure
Malfunctions and self-diagnosis
Do-it-yourself repair
Visual inspection
Checking individual elements
Idle mode check and exhaust gas analysis
Checking the catalytic converter and lambda probe
Cable-operated gas throttle
List of faults
Digifant injection system
The main elements of the Digifant system
Operating procedure
Malfunctions and self-diagnosis
Do-it-yourself repair
Checking individual elements
Removing injection nozzles
Idle mode check and exhaust gas analysis
List of faults
KE-III-Jetronic and KE-Motronic
Operating principle
Various modifications
Basic elements
Operating procedure
Lambda regulation
Malfunctions and self-diagnosis
Do-it-yourself repair
Visual inspection
Checking individual elements
Troubleshooting the injection system
Removal of components
Idle mode check and exhaust gas analysis
List of faults
MPI and MPFI injection system
Multi-point injection
Additional functions
Main elements of the MPI and MPFI injection system
Operating procedure
Lambda regulation
Malfunctions and self-diagnosis
Do-it-yourself repair
Visual inspection
Checking individual elements
Removing MPI and MPFI injection system components
Cable-operated gas throttle
Idle mode check and exhaust gas analysis
List of faults
Transmission
Clutch
The principle of operation of the clutch
Clutch control drive
Clutch life
Checking the clutch
Checking the hydraulic clutch drive
Removing the clutch
List of clutch faults
Car gearbox
Manual transmission (MT)
Removal and installation of a manual gearbox (KP)
Noises in the gearbox
Automatic transmission (AT)
Electronic control of automatic transmission
Main gear
Drive shafts
Checking the drive shaft seals
List of drive shaft faults
Chassis
Suspension and steering
Chassis
Checking the condition of the steering gear casing (cuff)
Checking the dust covers and play of the tie rod ends
Checking the dust covers of the front suspension joints
Checking the steering play
Checking a V-belt or poly V-belt
Checking the oil level
Checking the wheel hub bearing play
Shock absorbers
Checking shock absorbers
List of shock absorber faults
Adjusting the wheel mounting angles
Measuring wheel alignment
List of faults. Incorrect wheel alignment
Chassis and steering repair
Front suspension repair
Rear suspension repair
Adjusting the suspension level
Steering control
Amplification system
Steering gear work
Steering repair
V-belts and poly-V-belts
List of faults. Power steering
Steering adjustment
Removing the power steering pump
Filling with fluid and bleeding the hydraulic system of the power steering
The airbag
Safety requirements
Brake system
Do-it-yourself brake system repair
How brakes work
Checking the brake mechanisms
Brake fluid
Checking the brake fluid level
Checking the brake system for leaks and damage
Replacing brake fluid
Disc brakes
Measuring the thickness of the disc brake pads
Checking the condition of brake discs
Replacing disc brake pads
Drum brake mechanism
Measuring drum brake shoes
Checking the brake pedal travel
Rear disc brake mechanism
Measuring the thickness of rear disc brake pads
Parking brake system
Checking the free travel of the parking brake lever
Master brake cylinder
Brake booster
Checking the brake booster
Brake force regulator
Repair of hydraulic brake drive
Bleeding the brake system
List of faults in the brake system
ABS is not a panacea!
Functions of the main elements of the braking system
ABS malfunctions
Wheels and tires
What tires are installed?
Tyre markings
Rims
Wide tires and wheels
Checking tire pressure
Tire condition monitoring
Wheel replacement
Checking the tightening of wheel bolts
Wheel balancing
Buying new tires
Body
Exterior
Front bumpers
Collision damage
Front of the car
Hood — removal and installation
Wings and wheel arch trim
Moldings
Doors
Dismantling doors
External rear view mirrors
Front and rear glass
Trunk lid on a sedan
Rear door of the station wagon
Rear bumper
Sliding sunroof
Cleaning the water drainage holes
Control of anti-corrosion protection of the underbody
Interior
Dashboard
Central console
Seats
Body ceiling
Seat belts
Electrical equipment
Fuses and relays
Minus to «mass»
Orientation in the electrical system
Wires
Plug connections
Central switchboard
Additional relay block
Ignition system unit
Relays and control units
Unloading relay contact X
Fuses
Fuse table
Power devices
Battery designation
How long do the reserves last?
Electrolyte level control
Checking the battery charge
Charging the battery
Starting an engine with a dead battery
Three phase alternating current generator
Battery charge indicator
Voltage regulator
Do-it-yourself repair of the generator and regulator
Driving with a faulty alternator
Checking the condition of a V-belt or poly-V-belt
Tensioning V-belts and poly-V-belts
Tensioning a V-belt or poly V-belt
Torn V-belt
Engine overheating due to damage to the V-belt
Overview of V-belts and poly V-belts
Replacing the V-belt (not poly-V-belt) of the generator
List of faults of the battery and generator
Starter — general information
List of starter faults
Ignition system
What can ignition do?
When does ignition occur?
Various ignition systems
This is how the spark is created
Executive body
The «brain» of the system
Pulses for the control unit
Knock control
Safety precautions when working with the ignition system
Ignition system repair
Ignition system diagnostics
Ignition distributor
Detonation combustion sensor
High voltage elements
Replacing spark plugs
Spark plugs
Checking the ignition timing
Lighting and signaling
Checking the lighting
Spare lamps
Replacing lamps
Removing headlights
Checking headlight adjustment
Fog lights
Do-it-yourself installation of fog lights
Front direction indicators
Rear lights
License plate lighting
Other lighting fixtures
Instrument panel lighting
Checking the direction indicators and hazard warning lights
Checking the brake light
Brake light switch
List of faults
Checking the sound signal
Short high beam signal
Equipment and devices
Checking indicators and alarms
Elements of the instrument cluster
Speedometer
Tachometer
Watch
Fuel quantity indicator
Coolant temperature indicator
Voltage stabilizer
Additional devices
Upper indicators in the instrument cluster
Coolant indicator
Brake system indicator
Oil pressure indicator
Direction indicator lights
Bottom indicators
Battery charge indicator
Anti-lock braking system indicator
High beam indicator
Parking brake indicator
Indicators on the right
Trailer Direction Indicator
Airbag indicator
Self-diagnosis system
Switches
Ignition switch
Checking switches
Lighting and radio cut-off buzzer
Cigarette lighter
Rear window heating
Checking windshield wipers and washers
Windscreen wiper motor
List of windshield wiper malfunctions
Rear window wiper
List of faults of the rear window wiper
Refilling the windshield washer reservoir
Headlight washer system
Intensive glass washing system
Radio system
Rear window antenna
Electrically adjustable exterior rearview mirrors
Centrally controlled locking system
Electric windows
Sliding sunroof
Checking heating and ventilation
Heater fan
Replacing the dust filter
Heating and ventilation drive
For removing heating and ventilation
List of heating faults
Electrical circuits
What You Need to Know About Electrical Schematics
Battery, starter, three-phase alternator...
Multipoint injection control unit, ignition system, injection nozzles...
Multipoint injection control unit, knock sensors, throttle potentiometer...
Multipoint injection control unit, heated lambda probe
Multipoint injection control unit, ignition timing sensor, engine speed...
Multipoint injection control unit, central plug for connecting diagnostic stand...
Car Engine Cooling (2.8L 6 Cylinder)
Self-checking system for monitoring coolant and oil pressure
Self-check system, brake shoe lining control
Instrument cluster, fuel gauge, coolant temperature gauge...
Self-checking system, additional instruments in the instrument panel, analog clock
Instrument cluster, alarms, speedometer with sensor
Reversing lights with switch
Ignition and starter switch, light switch, unloader relay for X-contact
Safety switch, headlights, parking light, direction indicator lights...
Rear right side lights, fuse box, lamp indicator...
Fuse box brake light switch
Fuse compartment, sound signal
Hazard warning light switch, direction indicator switch...
Intermittent windscreen wiper switch, windscreen wiper and washer system...
Heated rear window
Door limit switch for lighting, footwell lighting, luggage compartment lighting...
Cigarette lighter front and rear, parking light warning buzzer and radio
Mono-Motronic injection system control unit, fuel pump relay, coolant temperature sensor...
Mono-Motronic injection system control unit, throttle position controller, Hall sensor...
Fuses, fuel pump, temperature control, fuel gauge sensor...
Engine cooling (2-liter 4-cylinder, Mono-Motronic)
KE-Motronic injection system control unit, fuel pump relay, fuel starting valve...
KE-Motronic injection system control unit, idle switch, full load switch...
Fuses, ignition coil with electronic transistor switch, fuel pump...
Engine cooling (2-liter 4-cylinder, KE-Motronic)
KE-Jetronic injection system control unit, heated lambda probe, coding plug, fuel starter valve.
KE-Jetronic injection system control unit, electronic ignition system control unit...
Electronic ignition system control unit with knock control, fuel pump relay...
Electronic ignition system control unit with knock control, ignition system...
Central locking system with delayed switching off of interior lighting
Electrically adjustable and heated exterior mirrors
Electric windows (4-door car)
Additional car devices
Audi 100 C4
(1990-1994)
General information
User manual
Introduction to the Audi 100 C4 manual
General description of the Audi 100 C4
Vehicle identification
Malfunctions in the car
First engine start after major overhaul
Jump starting the engine from a second vehicle
Control dimensions and adjustment data
Car maintenance plan
Power unit
Engine repair
Devices used in repairing the crank mechanism (CRM) of the engine
Tools used in repairing the timing mechanism
Visual inspection of the engine
Running in a new engine
Compression measurement
Engine cranking
Removing and installing the cylinder head
Cylinder Head Gasket Fault Diagnosis
Distinctive features of the installation of the cylinder head gasket of a diesel engine
Repair of the cylinder head with 2 valves per cylinder
Checking the cylinder head components
Repair of cylinder head with five or four valves per cylinder
Replacing the camshaft seal
Hydraulic tappets
Removing and installing the front timing belt cover
Checking the timing belt tension
Replacing the timing belt and cylinder engine
Replacing the timing belt of a 4-cylinder engine with five valves per cylinder
Replacing the timing belt of a 6-cylinder engine
Removing and installing gear wheels
Tensioning and replacing toothed belts of a 5-cylinder diesel engine
Engine overhaul
Removal and installation of a 4-cylinder engine
Removal and installation of 5-cylinder turbocharged engines
Removal and installation of 5-cylinder engines without turbocharging
Connecting rod and piston group
Cylinder block
Crankshaft and crankshaft bearings
Crankshaft oil seals
Flywheel (manual transmission)
Intermediate shaft
Cylinder head of a 4-cylinder engine
Lubrication system of a 6-cylinder gasoline engine
Lubrication system of a 4-cylinder engine
4-cylinder engine
Flat gear transmission of a 6-cylinder gasoline engine
V-belt and flat-tooth transmission of a 5-cylinder gasoline engine
V-belt and flat-tooth transmission of a 4-cylinder gasoline engine
Cylinder head of a 6-cylinder engine
Gear and drive belt of a 4-cylinder engine
Gear and drive belt of a 5-cylinder petrol engine
Five-cylinder fuel-injected engine
Lubrication system of a 5-cylinder petrol engine
Rear suspension strut
Drive shaft and front suspension strut
Ignition system
Ignition system device
Electronic ignition control
Knock control
Precautions when working with ignition
Troubleshooting the ignition system
Ignition coil
Checking the switch
Testing the KE-Motronic system's powerful output stage
Ignition transformer
Ignition distributor
Troubleshooting Ignition Timing Systems
Adjusting ignition timing and knock sensor of the KE-Motronic system
Digital stabilization of idle speed of the KE-Motronic system
High voltage wire
Firing order
Replacing spark plugs
Checking the ignition timing (advance angle)
Fuel system (gasoline)
Electric fuel pump
Fuel filter
Fuel tank sensor
Air filter
KE-Motronic injection system parts
Functioning of the KE-Motronic injection system
Self-diagnosis of faults in the KE-Motronic injection system
Troubleshooting individual components of the KE-Motronic injection system
Removing the injector of the KE-Motronic injection system
Adjusting the idle speed and CO content in the KE-Motronic injection system
Malfunctions and self-diagnosis of the KE-Motronic injection system
Querying the memory device of the KE-Motronic injection system
Diagnostics of faults of the KE-Motronic injection system
General structure of the Monomotronic fuel injection system
Preliminary checks of the Monomotronic injection system
Malfunctions and self-diagnosis of the Monomotronic injection system
Checking the elements of the Monomotronic injection system
Adjusting the idle speed and CO content of the Monomotronic injection system
General structure of the KE-III-Jetronic fuel injection system
Functioning of the KE-III-Jetronic fuel injection system
Self-diagnosis of faults in the KE-III-Jetronic injection system
Search for faulty elements of the KE-III-Jetronic injection system
General description and safety precautions when working with the Motronic fuel injection system
Operation of the KE-III-Jetronic injection system
Possible malfunctions of the KE-III-Jetronic injection system
Work on the KE-III-Jetronic injection system
Throttle actuator of the KE-III-Jetronic injection system
Technical characteristics of the KE-III-Jetronic injection system
General structure of MPI and MPFI fuel injection systems
Precautions for MPI and MPFI injection systems
Measuring the pressure in the fuel line of the MPI and MPFI injection system
Fuel injector of MPI and MPFI injection system — removal and installation
Checking the injectors of the MPI and MPFI injection system
Technical characteristics of MPI and MPFI injection systems
Operating principle of turbocharger of MPI and MPFI injection system
Turbocharger malfunctions of the MPI and MPFI injection system
Removal and installation of turbocharger of MPI and MPFI injection system
Fuel system (diesel)
General structure and recommendations for maintenance of the diesel fuel system
Possible malfunctions of the diesel fuel system
Dehydration and replacement of the fuel filter
Checking and adjusting the idle speed
Checking and adjusting the maximum number of revolutions
Gas drive installation
Checking glow plugs
Removing and installing injectors
Checking the start of fuel supply
Checking the tightness of pipeline and instrument connections
Lubrication system
Checking the oil level (Continuous monitoring)
Engine oil change
Checking the oil level in transmission units
Lubrication of the ignition distributor
Lubrication of rods, hinges and locks
Operation of the lubrication system
Removing and installing the oil pan
Oil pump
Checking oil pressure
Checking the oil pressure warning light is off
Oil radiator
Measuring oil temperature
Possible malfunctions of the lubrication system
Cooling system
How cooling is carried out
Overpressure cooling system
Checking the tightness and servicing the cooling system
Coolant expansion tank cap
Thermostat
Water pump
Water pump belt
Electric radiator fan
Electric Radiator Fan Malfunctions
Viscous fan
Diagnostics of cooling system faults
Exhaust system
Elements of the exhaust system
Checking the suspension and condition of the exhaust tract
Replacing the exhaust system
Exhaust gas recirculation system and more
Functioning of the catalyst
Transmission
Clutch
Clutch. General information
Removing the clutch
Clutch repair
Clutch installation
Clutch release mechanism
Hydraulic drive system
Removing air from the hydraulic drive system
Possible clutch malfunctions
Car gearbox
Removing and installing the gearbox
Gear shift mechanism
Gearbox oil level
Design features of the gearbox of all-wheel drive models
General structure of automatic transmission
Removal and installation of automatic transmission
Automatic transmission shift lever system
Adjusting the system switch
Drive shafts
Front drive shafts
Rear drive shafts
Cardan shaft and cardan joints
Front wheel hub, steering knuckle and bearings
Repair of drive shafts
Chassis
Car suspension
Front suspension device
Checking the play of the front suspension wheel bearings
Checking the front suspension shock absorber
Replacing the front shock absorber
Removing the front shock absorber strut
Removing and installing the rear axle
Removing the rear shock absorber
Removing the rear shock absorber
Removing and installing rear suspension arms
Replacing the rear wheel bearing
Steering
Chassis and steering. General description
Removing and installing the steering wheel
Removing and installing the power steering rack
Power Steering Pump — Removal and Installation
Removing air from the system
Steering operation
Diagnosing Power Steering Problems
Wheels and tires
Tire replacement
Checking the air pressure in the tires
Wheel beating
Wheel balancing on a car
Repair of defects in aluminum wheels
Tire diagnostics
Brake system
Brake operation
Brake check (constant monitoring)
Front disc brakes
Repair of front brake calipers
Removing and installing the front brake caliper
Rear disc brakes
Brake disc treatment
Rear wheel drum brakes
Measuring drum brake shoes
Removing the brake drum
Main brake cylinder
Brake booster
Removing air from the brake system («bleeding»)
Parking (hand) brake
Anti-lock braking system (ABS)
Body
Ventilation and heating
Heating and ventilation. General information
Removing and installing the fan and heater motor
Checking heating and ventilation
Checking the fan
Diagnostics of heating system faults
Body repair
Stand for performing repair operations using hydraulic and manual straightening of emergency bodies
Device for straightening deformed elements of car bodies
Installation for monitoring the basic points of the body floor
Device for straightening deformed car bodies
Hydraulic and screw devices for restoring geometric parameters of the body
Straightening hammers
Tippers
General description of body parts
Front bumper and radiator grille
Front wing
Hood
Doors
Trunk lid and rear bumper
Electrical equipment
Power devices
Rechargeable Battery (AB)
Battery checks
Precautions when working with the charging system
Removing and installing the generator
Generator repair
Battery charging system malfunctions
Starter
Checking the starter
Removing and installing the starter
Disassembling and assembling the starter
Lighting and appliances
Windscreen wiper device
Replacing the windshield wiper arms
Replacing the wiper blade/rubber
Windshield wiper motor replacement
Removing and installing the headlight bulb
Removing and installing headlights
Disassembling the headlight
Removing and installing the motor to adjust the headlight angle
Headlight adjustment
Rear lights
Front direction indicators
Fuses, circuit breakers and relays
Electrical circuits
Servotronic unit
Parking light buzzer, fog light relay
Engine control unit
Rear window defroster
Engine cooling, fan controller
Windscreen wiper wiring diagram
Light switch wiring diagram
Control system «KE-Motronic»
Control unit for the Mono-Motronic system
Instrument panel and auto control system. Version I
Instrument panel and auto control system. Version II
External lighting devices, brake pad wear sensors...
Dashboard connectors, ignition switch
Wiring diagram of interior lighting
Temperature sensors, pressure sensors
Audi A3 Type 8L
(1996-2003)
General information
User manual
Audi A3/S3 cars — summary
Vehicle Identification Numbers
Purchase of spare parts
Service technology, tools and workplace equipment
Jacking and towing
Starting the engine from an auxiliary power source
Checking the vehicle's readiness for operation
Automotive chemicals
Diagnostics of faults in vehicle components and systems
Controls and safe operation techniques
Location of controls and instruments
Keys, body locks with single control and security alarm
Electric windows and rear view mirrors
Security systems. Transportation of children
Seats
Trunk
Adjustable steering column
Handbrake
Automatic transmission
Acoustic parking assistance device
Ignition switch and engine start
Control and measuring devices. Warning and diagnostic systems
Trip computer
Switches and switches
Tempostat
Windscreen wipers and washers
Ventilation, heating and air conditioning of the passenger compartment
Lift and slide roof panel
Interior and trunk lighting
Salon equipment
Roof rack
Running in a car
Driving features and auxiliary systems (ABS, EDS, ASR, ESP)
Operation of the trailer
Refueling and emergency release of the fuel filler flap
Engine compartment hood
Headlight readjustment
First aid kit
Warning triangle
Tool kit and jack
Spare wheel
Maintenance
Types and volumes of lubricants and fluids used
Schedule of current maintenance
General information about the setup
Checking fluid levels, leak monitoring
Checking the condition of the tires and their pressure
Changing engine oil and oil filter
Checking the timing belt for damage, measuring wear
Checking the brake system
Checking the fuel system
Wheel rotation and replacement. Anti-skid chains
Checking the condition and replacing engine compartment hoses, localizing leaks
Checking the functioning of the cooling system
Checking the condition of the exhaust system
Visual inspection of the gearbox for leaks
Checking the condition of suspension and steering components
Checking the condition of the protective covers of the drive shafts
Lubrication of door latches and lock cylinder
Checking the condition, adjusting and replacing windshield wipers
Visual inspection of the seat belt and airbag unit
Checking battery condition, care and charging
Checking the transmission oil level of the manual transmission
Replacing the cabin air filter
Replacing the air filter element
Replacing brake fluid
Checking and replacing spark plugs
Replacing the fuel filter of a diesel engine
Checking the power steering fluid level
Checking the automatic transmission final drive fluid level
Changing the oil in the Haldex clutch of all-wheel drive models
Checking the condition of ribbed drive belts
Checking the AT transmission fluid level
Power unit
Engine repair
Engine specifications
Checking the compression in the engine cylinders
Checking the engine with a vacuum gauge
Removing and installing the lower engine compartment cover
Removal and installation of engine / manual transmission
Setting the piston of the first cylinder to TDC (petrol)
Removing, installing and tensioning the timing belt (petrol)
Removing and installing the cylinder head (petrol)
Removing and installing a ribbed V-belt (petrol)
Toothed belt drive of diesel engine
Removing and installing a toothed belt (diesel)
Removing and installing the cylinder head (diesel)
Removing and installing V-belt (diesel)
Measuring cylinders
Checking, assembling and installing the connecting rod and piston group
Checking the crankshaft
Lubrication system
General recommendations for engine oils
Oil circulation circuit
Dynamic oil pressure control
Checking the oil pressure and oil pressure gauge sensor
Removing and installing the oil pan / replacing the oil pan sealing gasket
Cooling system
Cooling system specifications
Engine cooling system device
Antifreeze is a means of protection against freezing.
Replacing the coolant
Removing, installing and checking the thermostat
Removing and installing the radiator and fan
Removing and installing the coolant pump
Checking the cooling system under pressure
Checking the cooling fan thermal switch
Supply system
Fuel and exhaust system specifications
Fuel tank, fuel pump and fuel filter
Removing and installing the fuel pump / fuel level sensor
Removing and installing the fuel filter
Adjusting the gas drive
Removing and installing the air filter housing
Connecting a remote control fuel pump for testing
Checking the fuel pump
Checking the fuel pump relay
Fuel injection system
Fuel injection system device (petrol)
Removal and installation of fuel lines and injectors (petrol)
Checking and adjusting idle speed / ignition timing / CO concentration
Diesel engine injection system
Direct injection device (diesel)
Removal and installation of injectors (diesel)
Checking and adjusting the injection start of the high-pressure fuel pump
Exhaust system
Exhaust gas exhaust system
Operation of the catalytic converter
Safety precautions to avoid damage to the catalytic converter
Removal and installation of the exhaust system
Checking the exhaust system
Replacement of central/additional muffler
Checking the exhaust system for leaks
Replacing the oxygen sensor
Ignition system
Ignition System Specifications
Electronic ignition and injection control system
Self-diagnosis of electronic control systems of the second generation OBD II
Ignition system — general description
Checking the ignition and injection system
Checking spark plugs
Transmission
Manual transmission
Manual Transmission Specification
Removal and installation of manual transmission
Gear shift drive
Removing and installing the gear selector housing
Adjusting the shift drive
Automatic transmission
Automatic transmission and all-wheel drive models
Adjusting the Automatic Transmission Shift Selector Cable
Removal and installation of automatic transmission
Electrical component diagnostics and trouble code reading
All-wheel drive
Clutch and drive shafts
Clutch and Drive Shaft Specifications
Removing, installing and checking the clutch
Bleeding air from the clutch hydraulic system
Removing and installing drive shafts
Disassembling the drive shaft
Chassis
Brake system
Brake system specifications
Replacing the front brake pads
Removal and installation of rear disc brakes
Checking the thickness of the brake disc
Removing and installing the brake disc / caliper
Adjusting the parking brake
Brake fluid
Bleeding the brake system
Removing and installing the brake hose
Checking the brake booster
Removing, installing and adjusting the brake light switch
Removing and installing the parking brake lever and cable
Front suspension
Suspension and steering specifications
Front suspension device
Removing, checking and installing the ball joint
Removing and installing the shock absorber strut and wheel bearing housing
Disassembling the shock absorber / removing and installing the shock absorber / coil spring
Rear suspension
Rear suspension device
Removing and installing the shock absorber and spring
Removing and installing wheel bearing/hub assembly
Checking the shock absorber
Shock absorber disposal
Steering
Steering device
Removing and installing the airbag unit
Removing and installing the steering wheel
Removing and installing the steering rod/tie rod end
Removing and installing the power steering pump
Front wheel alignment angles
Body
Ventilation and heating
Heating, ventilation and air conditioning system
Removing and installing air deflectors
Removing and installing the footwell nozzle
Removing and installing the heater drive / replacing the lamp
Removing and installing heater control cables
Removing and installing the fresh air fan
Removing and installing an additional resistor
Air conditioner device
Removing and installing the compressor
Air conditioner diagnostics using codes on the display of its control unit
Exterior (external elements)
Body specifications
General information and safety precautions
Car body care
Repair of minor damage to body panels
Repair of significant body damage
Removing and installing the hood lock panel
Removing and installing bumpers
Removing and installing the wing
Removing and installing the inner wing lining
Removing and installing front and rear wheel arch liners
Removing and installing the outside mirror and mirror glass
Removing and installing the B-pillar trim
Removing and installing side molding
Removing and installing door and wing trim
Replacing the rubber bands of windshield wipers
Adjusting the windshield washer nozzles
Removing and installing windshield washer nozzles
Removal and installation, checking and adjustment of the final position of the windshield wiper arms
Interior (internal elements)
Care of vinyl trim panels
Caring for upholstery and carpets
Removing and installing interior mirror
Removing and installing the armrest
Removing and installing the lower center console
Removing and installing the diagnostic plug of the security systems
Removing and installing the center console
Removing and installing the A-pillar trim
Removing and installing the pocket on the driver's side
Removing and installing the glove box
Removing and installing rear side trim
Removing and installing the rear roof trim
Removing and installing the threshold strip
Removing and installing the tailgate trim
Removing and installing trunk trim
Removing and installing the trunk lid lock trim
Removing and installing the front seat
Removing and installing the front seat cover
Removing and installing the seat guide cover from the channel side
Removing and installing the seat guide cover on the tunnel side
Connecting the Airbag Wiring Jumper
Removing and installing the rear seat and backrest
Installing a side airbag
Installing the side airbag into the adjustment beam
Single Lock — General Information and Vacuum Hoses
Removing and installing single lock activators
Emergency release of the fuel filler flap
Removing and installing a single lock pump
Doors, covers and windows
Removing and installing the hood lock drive cable
Removing and installing the hood lock
Removing and installing the hood hook
Removal, installation and adjustment of the hood
Bonnet seals
Removing and installing the tailgate
Removing and installing the tailgate hinge
Tailgate adjustment
Removing and installing the tailgate seal
Removing and installing the tailgate lock
Removing and installing the locking mechanism
Removing and installing the wedge element of the rear door lock
Removing and installing the rear door handle strip
Removing and installing door trim
Door trim insulation
Adjusting the unlock button
Removing and installing the front door and adjusting element holder
Door adjustment
Removal and installation of window lift and door glass
Removing and installing the window lift motor
Removing and installing the front door handle and lock cylinder
Removing and installing the beam of the adjusting elements and the hinges of the rear door
Removing and installing the shield and beam of the side reinforcement / window shaft strip
Electrical equipment
Power devices
Charging and starting systems
The rechargeable battery
Removing and installing the battery
Checking the battery
Generator — General Information and Safety Precautions
Checking the installed generator
Removing and installing the generator
Checking and replacing the generator and voltage regulator brushes
Starter — general information
Checking the engine starting system
Removing and installing the starter
Checking, removing and installing the starter traction relay
Lighting and appliances
On-board electrical equipment specifications
Electrical equipment of the comfort system
Diagnostics of faults of on-board electrical equipment — general information
Checking the windshield wiper motor
Checking the heated rear window
Checking the brake light
Removing, installing and checking the horn
Fuses
Fusible Links — General Information
Circuit breakers (thermal relays)
Relay — general information
Replacing the remote control key batteries
Replacement of battery / lamp of key with backlight
Anti-theft lock
Lighting fixtures
Replacement of outdoor lighting lamps
Replacing interior light bulbs
Removing and installing headlights
Removing and installing the headlight range adjustment motor
Removing and installing the front turn signal
Removing and installing the rear light
Headlight adjustment
Devices — general information
Removing and installing the instrument panel
Removing and installing the steering column switch
Removal and installation of switches and lamps
Removal, installation and coding of the radio receiver
Entering the radio code
Removing and installing the loudspeaker
Removing and installing the roof antenna
Additional installation of a radiotelephone on specially prepared models
Removing and installing the front wiper motor
Removing and installing the rear wiper arm and motor
Removing and installing the rear window wiper
Removing and installing the reservoir with the windshield washer pump
Elements of Tempostat
Electrical circuits
Explanatory notes to electrical connection diagrams
Designations on electrical diagrams
Mass connections
Battery, starter, alternator, main fuse box...
Control unit for Motronic, fuel pump relay, injectors...
Control unit for Motronic, knock sensors, engine speed sensor...
Control unit for Motronic, throttle control unit
Control unit for Motronic, oxygen sensor, air mass meter...
Cigarette lighter switch, unloader relay for contact X
Light switch, steering column switch left
Lighting regulator for switches and control devices, adjustment of the beam range, windscreen wiper and washer, adjustment of the beam range...
Right steering column switch, windshield wiper and washer, rear window wiper
Side lights, brake lights, reversing lights, fog lights
Horn, heated rear window, cigarette lighter, ashtray light
Fuse box, heated washer nozzle, glove compartment lighting...
Fuse box, heated nozzle, glove compartment light...
Fuse Box
Fuse box, diagnostic plug, radio preparation
Turn signals and hazard warning lights
Trunk lights, door contact switch
Instrument cluster unit, combi-processor in instrument cluster unit, parking brake control
Instrument cluster unit, combi-processor in the instrument cluster unit, tachometer, speedometer...
Instrument cluster unit, combi-processor in the instrument cluster unit, reserve sensor...
Instrument cluster unit, combi-processor in the instrument cluster unit, anti-theft protection coil...
Coolant fan, Fresh air fan
Battery, starter, generator, fuse box...
Control unit for Simos, fuel pump relay, injectors, ignition system...
Control unit for Simos, knock sensor, engine speed sensor...
Control unit for Simos, throttle control unit, power steering switch
Control unit for Simos, oxygen sensor, air mass meter...
Instrument cluster unit, combi-processor in the instrument cluster unit, fuel pump...
Trailer
Electric windows, 3-door models (with pinch protection), driver's side
Electric windows, 3-door models (with pinch protection), front passenger side
Anti-lock Brake System ABS and Control Unit Connector
Engine Management System 1.6L
Engine Management System 1.8L Non-Turbocharged
Engine Management System 1.8L Turbocharged
Audi A4 B5
(1994-2001, petrol)
General information
Vehicle description
General information about the Audi A4
Chassis of the car
Passenger protection
Full zinc coating
Quattro all-wheel drive
All-wheel drive concepts
Torsen distribution differential
Driving dynamics on dry roads
Operating instructions for quattro cars
Differential lock mechanism
Additional maintenance work
Engine compartment
Technical characteristics of the car
Maintenance
Regular maintenance
Resetting the maintenance interval indicator
Overlapping maintenance dates
Maintenance plan for the car enthusiast
Diagnostics in the Audi workshop
Diagnostics of the actuator
Querying the fault database
Diagnostics as an aid to the amateur
Vehicle identification
Workplace safety precautions
Jacking up a car
Lubrication of all parts
Checking the oil level
Oil consumption
Selecting the right oil specification
Viscosity of oil
The right engine oil for Audi
Changing engine oil and oil filter
Checking the fluid level in the servo control system
Checking the oil level in a manual transmission
Checking the oil level in the rear axle drive
Checking the ATF level in an automatic transmission
Checking the oil level in the main gear of the automatic transmission
ATF Replacement
Lubrication of rods, hinges and locks
Troubleshooting
Glossary of Terms
Power unit
Engine repair
Engines — General Information
Power levels
Engine Signs
Engine technology, maintenance and repair
Lubrication system
Crankcase exhaust ventilation
Visual inspection of the engine
Engine life
Nominal and maximum speed
Speed limitation
Measuring compression pressure
Help with engine problems
Hydraulic tappets
Work on a toothed belt
Cylinder head gasket faults
Installation and removal of the cylinder head
Engine installation and dismantling
Turbocharging
Turbocharging — General Information
Turbocharger
Traction cut-off valve
Checking the boost pressure adjustment
Help with malfunctions
Turbocharger faulty
Charge air radiator
Exhaust system
Exhaust system options
Checking the suspension and condition of the exhaust system
Replacing the exhaust system
Dismantling individual parts of the exhaust system
Cooling system
This is how cooling occurs
Checking the coolant level
Antifreeze check
Checking the cooling system for leaks
Radiator — removal and installation
Cooling system locking cap
Purpose of the thermostat
Help with thermostat problems
Water pump
Water pump V-belt
Different models of fans
Viscous fan
Electric radiator fan
Radiator fan malfunction
Help with cooling system problems
Ignition system
Ignition system — general description
When does the combustion of the fuel-air mixture occur?
Different ignition systems
This is how the ignition spark is created
Ignition system actuator
Ignition system control unit
Signals coming to the control unit
Knock control
Be careful when handling ignition
Work on the ignition system
Troubleshooting Ignition
Ignition distributor
High voltage unit
Replacing spark plugs
Choosing the Right Spark Plugs
Checking the ignition timing
Fuel system
Fuel tank and fuel pump
What is fuel tank ventilation for?
Fuel tank fuel level indicator sensor
Dismantling fuel lines
Electric fuel pump
Dismantling a petrol pump with an electric drive
Replacing the fuel filter
Removing the air filter insert
Blowing out the air filter insert
Preheating of intake air
Switchable intake manifold
Motronic injection system
The most important components of the injection system
This is how the Motronic injection system works
Motronic malfunctions and self-diagnosis
Self-help with injection
Visual inspection of the Motronic injection system
Troubleshooting individual components
Checking the idle speed and exhaust gases
Exhaust Gas Test (AU)
Motronic throttle cable
Help with Motronic faults
MPI and MPFI injection system
MPI and MPFI injection system
Additional MPI/MPFI functions
Injection system components
Functioning of the injection system
Adjustment using a lambda probe
MPI/MPFI malfunctions and self-diagnosis
Self-diagnosis of the injection system
Visual inspection of the MPI/MPFI injection system
Checking the injection system components
Dismantling individual parts of the injection system
Throttle cable
Idle speed adjustment
Exhaust gas testing
Help with MPI/MPFI faults
Transmission
Clutch
Clutch — General Information
Clutch operation
Clutch actuation
Checking the clutch
Checking the clutch hydraulics
Help with clutch problems
Gearbox and shafts
Gearbox and final drive
Manual transmission
Noises in the gearbox
Automatic transmission
Electronic gearbox control
Main gear
Drive shafts
Checking the drive shaft seals
Help with malfunctions
Chassis
Steering
Checking the steering gear cuffs
Checking the dust caps and clearance in the tie rod ends
Checking the axle joint dust caps
Checking the steering wheel play
Power steering — general information
Work on the steering
Checking the tightness of the servo control
Help with steering problems
Steering adjustment
Removing the servo control pump
Filling and bleeding the servo control system
The airbag
Safety when working on an airbag
Car suspension
Checking the wheel bearing clearance
Shock absorbers — general information
Checking shock absorbers
Help with shock absorber problems
Wheel adjustment
Measuring wheel alignment
Incorrect wheel alignment
Do-it-yourself work on the chassis and steering
Disassembling the front wheel suspension
Work on the rear axle
Replacing the rear shock absorber
Brake system
Do-it-yourself work on the brake system
This is how the braking system works
Checking the brakes
Brake fluid
Checking the brake fluid level
Checking the brake system for leaks and damage
Replacing brake fluid
Disc brakes
Measuring the thickness of the front disc brake pads
Checking the condition of the brake discs
Replacing disc brake pads
Rear disc brakes
Measuring rear disc brake pads
Handbrake
Checking the idle stroke of the handbrake lever
Adjusting the handbrake
Master brake cylinder
Brake booster — general information
Checking the brake booster
Work on the hydraulics of the brake system
Bleeding the brake system
Help with brake system problems
ABS and EDS
Function of individual ABS units
Electronic Brakeforce Distribution (EBV)
Malfunction of the ABS system
Electronic Differential Lock (EDS)
Wheels and tires
Tyre specification
Tire designations
Rim specifications
Checking tire pressure
Checking the condition of the tires
Wheel replacement
Checking the strength of the wheel bolts
Unbalanced wheels
Buying new tires
Body
Heating and ventilation
Heating and ventilation — general information
Checking heating and ventilation
Air blower
Replacing the dust filter
Manual heating/ventilation control module
Troubleshooting heating
Air conditioning system
Body parts
Front bumper
Damage resulting from accidents
Front of the car
Hood — dismantling and adjustment
Wings and mudguards
Side planks
Doors — dismantling and adjustment
Dismantling doors
External view mirror
Trunk lid — dismantling and adjustment
Rear bumper — dismantling
Sliding/removable roof
Checking the anti-corrosion coating of the bottom
Cleaning the water drainage holes
Dashboard
Middle console
Seats and headrests
Electrical equipment
Fuses and relays
The minus is connected to ground
Help for orientation in the electrical equipment of the car
Wire connections
Additional relay support
Electronics box
Relays and control units
Switching relay
X-contact of unloading relay
Table of relays and control units
Main and additional fuses
Fuse table
Power devices
Correctly selected battery
How long does the battery reserve last?
Checking the acid level in the battery
Checking the battery charge
Charging the battery
Starting an engine with a dead battery
Alternator
Charging indicator light
Self-help with generator and voltage regulator
Driving with a faulty generator
V-belt and poly-V-belt
Checking the condition of the V-belt and poly V-belt
Replacing V-belts and poly-V-belts
Torn V-belt
Overview: V-belt and poly V-belt
Help with battery and generator problems
Starter — location and operation
Removing the starter
Help with starter problems
Lighting and lamps
Checking the lighting
Spare lamps
Replacing headlight bulbs
Removing the headlight
Checking headlight adjustment
Fog lights
Front direction indicator lights
Rear lights
License plate lights
Interior light
Lights for dashboard lighting
Checking the direction indicator and hazard warning system
Checking the brake lights
Help with brake light malfunctions
Checking the horn
Light signal
Tools and devices
Checking control instruments and lamps
Combination device
Speedometer — dismantling and inspection
Tachometer — check
Watches — repair
Fuel quantity indicator
Coolant temperature indicator
Auxiliary devices
Indicator lights at the top of the combined instrument panel
Coolant warning light
Brake fluid level indicator light
Oil pressure warning light
Direction indicator light
Indicator lights in round instruments (and nearby)
Trailer direction indicator light
ASR control light
Ignition switch indicator light
High beam headlight indicator light
Airbag warning light
ABS warning light
Parking brake indicator light
Battery charging indicator light
Automotive control system
Switches — dismantling
Ignition switch
Checking switches
Lighting signal buzzer
Cigarette lighter
Heated rear window
Checking windshield wipers and washers
Windscreen wiper motor
Help with malfunctions
Filling with windshield washer fluid
Headlight washer system
Electrically adjustable mirror
Central lock
Power windows with electric drive
Electric sliding/removable roof
Radio receiver — dismantling
Antenna on the rear window
Electrical circuits
Battery, starter, alternator
Multipoint injection control unit, ignition system, injection valves
Multipoint injection control unit, fresh air flow meter...
Control unit, starter switch
Lighting, light signaling and switches
Fuses, horn, cigarette lighter
Distribution panel insert, speed sensor, fuel reserve...
Distribution board insert, coolant control
Hazard warning switch, direction indicator switch
Switch for intermittent windscreen wipers, windscreen washer system, headlight cleaning...
Door contact switch, interior lights with slow turn-off, make-up mirror
Fresh air blower, heated rear window
Four-cylinder engine with a displacement of 1.6 liters and an output of 74 kW
Four-cylinder engine with a displacement of 1.8 liters and a power of 92 kW
Four-cylinder turbo engine with a displacement of 1.8 liters and a power of 110 kW
Additional equipment (Sliding/removable roof with electric drive)
Central locking/infrared control unit for anti-theft system with interior monitoring
Central locking/infrared control unit for anti-theft system with interior monitoring
Electric windows, 4-door model (jamming protection)
Audi A4 B5
(1994-2001)
General information
Introduction to the guide
You and your first generation Audi A4
Main types of danger when servicing a car
If the engine does not start
Starting the engine from an external battery
Wheel replacement
What do the smudges mean?
Towing a car
Car care
Weekly Checks — General Information
Check points under the hood
Engine oil level
Coolant level
Brake and clutch fluid level
Power steering fluid reservoir level
Battery — check
Light bulbs and fuses
Tire condition and pressure
Types of tire wear
Washer fluid level
Windscreen wiper blades
Lubricants and working fluids
Selecting motor oil
Maintenance (gasoline)
Maintenance Specifications
Maintenance Schedule — Gasoline Models
View under the hood and from underneath the car
Regular car maintenance
Engine oil and oil filter replacement (15,000 km)
Checking the thickness of the front brake pads (15,000 km)
Accessory Drive Belt — Check (15,000 km)
Checking the condition of the timing belt (15,000 km)
Resetting the service interval indicator (15,000 km)
Checking the windshield (headlight) washers and the fifth door glass (12 months)
Tire condition check (12 months)
Lubrication of hinges and locks (12 months)
Checking the electrolyte level in the battery (12 months)
Reading fault codes in the engine control unit (12 months)
Check for leaks under the hood (12 months)
Checking the concentration of antifreeze (12 months)
Checking the condition of brake hoses and pipes (12 months)
Checking the condition of the rear brake pads (12 months)
Exhaust system check (12 months)
Suspension and steering check (12 months)
Roadside vehicle checks (12 months)
Fuel filter replacement (30,000 km)
Replacing the cabin ventilation filter (30,000 km)
Checking the protective coating of the bottom (30,000 km)
Checking the oil level in a manual transmission (30,000 km)
Headlight adjustment (30,000 km)
Replacing the air filter element (30,000 km)
Replacing spark plugs (60,000 km)
Checking the oil level and topping it up in the main gear of the automatic transmission (60,000 km)
Replacing hydraulic fluid in automatic transmission (60,000 km)
Timing belt replacement (60,000 km)
Brake fluid replacement (every 2 years)
Coolant replacement (every 2 years)
Checking the composition of exhaust gases (once every 2 years)
Maintenance (diesel)
View under the hood and from underneath the car
Regular car maintenance
Engine oil and oil filter replacement (15,000 km)
Checking the thickness of the front brake pads (15,000 km)
Accessory Drive Belt — Check (15,000 km)
Checking the condition of the timing belt (15,000 km)
Resetting the service interval indicator (15,000 km)
Draining sediment from the fuel filter (15,000 km)
Checking windshield washers, headlights and fifth door glass (12 months)
Tire condition check (12 months)
Lubrication of hinges and locks (12 months)
Checking the electrolyte level in the battery (12 months)
Reading fault codes in the engine control unit (12 months)
Check for leaks under the hood (12 months)
Checking the concentration of antifreeze (12 months)
Checking the condition of brake hoses and pipes (12 months)
Checking the condition of the rear brake pads (12 months)
Exhaust system check (12 months)
Suspension and steering check (12 months)
Roadside vehicle checks (12 months)
Fuel filter replacement (30,000 km)
Replacing the cabin ventilation filter (30,000 km)
Checking the protective coating of the bottom (30,000 km)
Checking the oil level in a manual transmission (30,000 km)
Headlight adjustment (30,000 km)
Replacing the air filter element (30,000 km)
Checking the oil level and topping it up in the main gear of the automatic transmission (60,000 km)
Replacing hydraulic fluid in automatic transmission (60,000 km)
Timing belt replacement (60,000 km)
Brake fluid replacement (every 2 years)
Coolant replacement (every 2 years)
Checking the composition of exhaust gases
Power unit
Gasoline engines
Petrol Engine Specifications
General information about gasoline engines
Repair work on the engine without removing it from the car
Timing marks — general information and use
Compression measurement and analysis of results
Timing Belt — Removal, Checking and Installation
Timing Belt Tensioner and Sprockets — Removal, Checking and Installation
Accessory Drive Belts — Removal and Installation
Valve cover — removal and installation
Camshaft Seal — Replacement
Auxiliary shaft seal — replacement
Crankshaft seals — replacement
Cylinder head — removal and installation
Hydraulic tappets — checking functionality
Flywheel and faceplate — removal, inspection and installation
Powertrain Mounts — Checking and Replacing
Pallet — removal and installation
Oil pump and oil receiver — removal, inspection and installation
Diesel engines
Diesel Engine Specifications
General information about diesel engines
Repair work on the engine without removing it from the car
Timing marks — general information and use
Compression measurement and analysis of results
Timing Belt — Removal, Checking and Installation
Timing Belt Tensioner and Sprockets — Removal, Checking and Installation
Accessory Drive Belts — Removal and Installation
Valve cover — removal and installation
Camshaft Seal — Replacement
Auxiliary shaft seal — replacement
Crankshaft seals — replacement
Cylinder head — removal and installation
Hydraulic tappets — checking functionality
Flywheel and faceplate — removal, inspection and installation
Powertrain Mounts — Checking and Replacing
Pallet — removal and installation
Oil pump and oil receiver — removal, inspection and installation
Engine overhaul
Engine Overhaul Specifications
Engine Overhaul — General Information
Engine Removal — Methods and Precautions
Gasoline engine — removal and installation
Diesel engine — removal and installation
Engine Overhaul — Disassembly Procedures
Cylinder head — disassembly, cleaning, inspection and assembly
Pistons and connecting rods — removal and inspection
Crankshaft — Removal and Inspection
Auxiliary shaft — removal and installation
Cylinder Block — Cleaning and Checking
Crankshaft bearings — inspection and selection
Engine Repair — Assembly Sequence
Crankshaft — checking clearances in main bearings and installation
Pistons and piston rings — assembly
Pistons and connecting rods — installation and clearance check
Engine — first start after repair
Cooling system
Cooling and Heating System Specifications
Cooling system — general information
Coolant Hoses — Disconnecting and Replacing
Radiator — removal, inspection and installation
Thermostat — Removal, Checking and Installation
Electric Fan — Checking, Removing and Installing
Electrical system sensors — checking, removal and installation
Water pump — removal and installation
Fuel injection (gasoline)
Multi-point fuel injection specifications for gasoline engines
General information and precautions
Air Cleaners and Air Intake Ducts — Removal and Installation
Accelerator cable — removal, installation and adjustment
Bosch Motronic Fuel Injection Control System Components
Simos injection control system components
Fuel filter — replacement
Fuel pump and fuel level indicator sensor unit
Fuel tank — removal and installation
Fuel injection system — pressure relief
Intake manifold — removal and installation
Fuel injection system — checking and adjustment
Turbocharger — General information, removal and installation
Intercooler — removal and installation
Fuel system (diesel)
Diesel Engine Fuel System Specifications
General information and precautions
Air Cleaners and Air Intake Ducts — Removal and Installation
Accelerator Pedal Position Sensor — Removal, Installation and Adjustment
Fuel pump and fuel level indicator sensor unit
Fuel tank — removal and installation
High pressure fuel pump (HPFP) — removal, installation and adjustment
Injectors — general information, removal and installation
Diesel Engine Management System Components — Removal and Installation
Turbocharger — General information, removal and installation
Intercooler — removal and installation
Intake manifold — removal and installation
Exhaust system
Tightening torques for threaded connections
Exhaust gas control system and exhaust system
Fuel Evaporative Control System — Information and Component Replacement
Crankcase ventilation system — general information
Exhaust Gas Recirculation (EGR) System — Information and Component Replacement
Exhaust manifold (petrol) — removal and installation
Exhaust manifold (diesel) — removal and installation
Exhaust system — replacement of components
Catalytic Converter — Information and Precautions
Ignition system
Ignition System Specifications
Ignition system — general information
Ignition system — check
High Voltage Ignition Coil — Removal, Checking and Installation
Distributor — removal, inspection and installation
Ignition timing — checking and adjustment
Ignition system sensors — removal and installation
Runner — removal and installation
Diesel engine glow plug heating system
Glow Plugs — Removal, Checking and Installation
Transmission
Clutch
Clutch specifications
Abundance of information about the clutch
Hydraulic clutch drive — bleeding
Clutch pedal — removal and installation
Clutch Master Cylinder — Removal, Repair and Installation
Clutch slave cylinder — removal, repair and installation
Clutch assembly — removal, inspection and installation
Release bearing and lever — removal, inspection and installation
Mechanical gearbox
Manual Transmission Specifications
General information about manual transmission
Gear shift mechanism — adjustment
Manual transmission — removal and installation
Manual transmission repair — general information
Multifunction switch — removal and installation
Speedometer sensor — removal and installation
Drive shaft flange seals — replacement
Input (primary) shaft seal — replacement
Shift Rod Seal — Replacement
Automatic gearbox
Automatic transmission specifications
General information about automatic transmission
Automatic transmission — removal and installation
Automatic transmission repair — general information
Selector cable — removal and installation
Selector cable — adjustment
Drive shafts
Drive shaft specifications
General description of drive shafts
Drive shafts — removal and installation
Outer Hinge (All Models) — Repair
Inner joint (petrol models with manual transmission) — repair
Inner joint (all models with automatic transmission) — repair
Drive shaft repair — general information
Chassis
Brake system
Brake system specifications
General information about the brake system
Hydraulic system — bleeding
Hydraulic tubes and hoses — replacement
Front brake pads — replacement
Rear brake pads — replacement
Front brake disc — inspection, removal and installation
Rear brake disc — inspection, removal and installation
Front Brake Caliper — Removal, Repair and Installation
Rear Brake Caliper — Removal, Repair and Installation
Master Brake Cylinder — Removal, Repair and Installation
Brake pedal — removal and installation
Vacuum brake booster — checking, removal and installation
Brake booster check valve
Adjusting the handbrake
Handbrake lever — removal and installation
Handbrake cables — removal and installation
Brake light contact sensor — removal, installation and adjustment
Anti-lock braking system ABS — general information
ABS System Components — Removal and Installation
Vacuum pump (diesel engines) — removal and installation
Car suspension
Suspension and steering specifications
General information about suspension and steering
Front Hub Bearings — Replacement
Front suspension strut — removal and installation
Front suspension strut — disassembly, inspection and assembly
Front suspension wishbones — removal, repair and installation
Front anti-roll bar — removal and installation
Front Suspension Subframe — Removal and Installation
Rear hub bearings — adjustment
Rear hub bearings — replacement
Rear hub axle — removal and installation
Rear suspension strut — removal and installation
Rear suspension strut — repair
Rear suspension beam — removal, repair and installation
Steering
Steering wheel — removal and installation
Steering column — removal, inspection and installation
Ignition Lock Cylinder — Removal and Installation
Ignition switch (contact group) — removal and installation
Steering gear (right-hand drive) — removal, repair and installation
Steering gear (left-hand drive) — removal, repair and installation
Rubber Steering Gear Boots — Replacement
Hydraulic steering system — bleeding
Power Steering Pump — Removal and Installation
Steering tip — removal and installation
Steering rod — removal and installation
Steering gear — adjustment
Wheel alignment angles — general information and adjustment
Body
Exterior
Tightening torques for threaded connections
General information about the car body
Body and Underbody Maintenance — General Information
Minor body damage — repair
Serious body damage — repair
Squeaking doors — troubleshooting
Hood and air strut — removal, installation and adjustment
Hood lock and lock cable — removal and installation
Front bumper — removal and installation
Rear bumper — removal and installation
Front Body Panel/Lock Bracket — Removal and Installation
Front mudguards — removal and installation
Side mirrors and their components — removal and installation
Interior
Maintenance — Carpets and Interior Finishes
Center console — removal and installation
Front panel and related components — removal and installation
Glove box — removal and installation
Interior rearview mirror — removal and installation
Seats — removal and installation
Interior upholstery — general information
Seat Belt Pretensioner System — Information and Component Replacement
Seat belts — general information
Doors, locks and windows
Trunk lid — removal and installation
Trunk lid lock and lock cylinder — removal and installation
Fifth door (Avant models) — removal and installation
Pneumatic struts of the fifth door — removal and installation
Fifth door lock and lock cylinder (Avant) — removal and installation
Front/Rear Door Panel — Removal and Installation
Door locks — removal and installation
Door handles and lock cylinder — removal and installation
Door glass and window lifter — removal and installation
Electric windows — general information and motor replacement
Doors — removal and installation
Windshield, rear door glass and fixed side windows
Roof hatch — general information
Heating and ventilation
Heating and ventilation system — general information
Heating system fan unit — removal and installation
Heating system fan motor — removal and installation
Series resistor and bimetal fuse block
Heater unit — removal and installation
Heater radiator — removal and installation
Servomotor of the outside air intake valve (since 1997)
Air Conditioner — General Description and Precautions
Air Conditioning Compressor — Removal and Installation
Evaporator and heater radiator housing — removal and installation
Air Conditioner Fan Motor — Removal and Installation
Heater Fan Motor Control Unit
Air Conditioning Control System Components
Electrical equipment
Power devices
Battery Charging and Starter System Specifications
General information and precautions
Battery — check
Charging standard and low-maintenance batteries
Charging maintenance-free batteries
Battery — Removal and Installation
Charging system — check on the car
Generator — removal and installation
Voltage Regulator and Generator Brushes — Replacement
Launch system — check
Starter — removal and installation
Starter — check and repair
Equipment and devices
On-board electrical equipment specifications
General information and precautions
Troubleshooting — General Information
Fuses and Relays — General Information
Steering column switches — removal and installation
Switches — removal and installation
Exterior lights and lamps — removal and installation
Interior Lighting Lamps — Removal and Installation
Headlights — removal, installation and adjustment
Instrument panel — removal and installation
Xenon headlight system — removal and installation of components
Lock Defroster — Removing and Installing Components
Windshield wipers — removal and installation
Windscreen Washers — General Information
Fifth Door Windscreen Wiper Motor — Removal and Installation
Horns — removal and installation
Electric sunroof drive — removal and installation
Central locking — general information and replacement of components
Radio — removal and installation
Antenna — removal and installation
Loudspeakers — Removal and Installation
Airbags — Information and Precautions
Security System Components — Removal and Installation
Anti-theft system — general information
Fuse Box
Electrical circuits
Ground connections, wire colors, symbols on diagrams
Scheme 1. Charging system and starter
Scheme 2. Fuel injection system M3.2 Motronic (models 1.6 and 1.8 l)
Scheme 3. Simos fuel injection system (1.6 l models)
Scheme 4. Direct fuel injection system of diesel engines
Scheme 5. Automatic transmission (four-speed)
Scheme 6. Brake lights and reversing lights, electric headlight corrector, headlights...
Scheme 7. Fog lights, direction indicators, hazard warning lights
Scheme 8. Interior lighting, two-voice horn, heater fan...
Scheme 9. Windscreen wipers, windscreen washers, electric mirrors with heating...
Scheme 10. Electric windows, ABS system (front-wheel drive)
Scheme 11. Central lock and interior lighting delay scheme
Scheme 12. Instrument panel
Audi A4 B6
(2000-2006, petrol)
General information
Introduction to the guide
How to use this guide
Maintenance plan
Introducing the Audi A4 car model
Vehicle Identification
Technical data of the car
Auto mechanic's workplace
Purchase of spare parts
Basic tools for car repair
Special tools for car repair
Safety first
How to properly install a car on trestles
Towing a car
If the engine knocks at idle
Useful tips for repairmen
Tips for visiting the workshop
Car care
General information on car care
Cleaning the car interior
Leather interior trim
Washing of external body parts
Display of the next maintenance
Car engine wash
Lubrication of the car
Windscreen wipers and washers
Care of varnish coating
Damage to the varnish coating
Power unit
Engine repair
Description and characteristics of gasoline engines
Workshop or DIY repair?
Basic concepts about the principle of engine operation
Removing and installing engine covers
Setting the engine to the TDC position of the first cylinder
Checking the compression in the cylinders
Hydraulic tappets — general information
Removing and installing the cylinder head cover
Checking hydraulic tappets
Adjusting the camshaft
Poly V-belt — inspection and replacement
Toothed belt — design description
Valve noise
Cylinder head gasket
Lubrication system
Engine lubrication system — design description
Engine oil pressure
Manometric oil switch
Checking oil pressure and oil switch
Motor oil — general information
Engine oil consumption
Checking the engine oil level
Changing engine oil and oil filter
What to do with oil stains
Engine lubrication system fault indicator
Cooling system
Engine cooling system — design description
Engine cooling system parts
Coolant — Basic Information
Checking the tightness of the cooling system
Checking and topping up the coolant
Replacing the coolant
Filling the cooling system with antifreeze
Removing and checking the thermostat
Faulty radiator fan
Removing and installing a radiator
Replacing cooling system hoses
Engine Cooling System Malfunction Indicator
Injection and control system
Engine Management System — Design Description
Safety precautions when working with the engine management system
The most important components of the engine management system
Electronic accelerator pedal
Fuel injection system — design description
Operating principle of the electronic engine management system
Fuel injection system parts
Direct injection of gasoline
What to do if the injection system malfunctions
Fuel injection system programming
Visual inspection of the injection system
Removing valve injectors
Fuel distributor — design description
Checking the valve injectors
Checking the tightness of the injectors
The amount of fuel injected and the shape of the jet
Throttle control repair
Air filter — design description
Replacing the air filter cartridge (ASN engines)
Fuel injection system malfunction indicator
Ignition system
Ignition system — general information
Ignition Coil — General Information
Spark plugs — general information
Interelectrode gap on spark plug
What does the appearance of a candle indicate?
Safety precautions when working with the ignition system
Fuel injection and ignition system
Removal, inspection and installation of spark plugs
Checking ignition coils and high voltage wires
Checking the ignition current
Checking the ignition system
Ignition system malfunction indicator
Power and exhaust system
Turbocharger — General Description
Intake system in FSI engines — general description
Fuel system — design description
The most important parts of the fuel supply system
The principle of operation of the activated carbon tank
Fuel — General Information and Savings
Draining fuel from the fuel tank
Replacing the fuel filter
Dismantling of pipelines and hoses
Fuel Pump Troubleshooting
Removing the fuel pump module
Checking the fuel pump relay
Exhaust system — design description
Service life of the exhaust system
Neutralization of exhaust gases
Oxygen sensors — design description
Exhaust system for FSI engines
Tips for working with the exhaust system
Checking the condition of the exhaust system
Replacement and installation of the exhaust system
Transmission
Clutch and drive shafts
Power transmission — design description
Clutch — design description
The principle of operation of the clutch
Checking the clutch
Is the clutch disengaging correctly?
Replacing the primary clutch cylinder
Replacing the clutch slave cylinder
Bleeding the hydraulic clutch drive
Clutch fault indicator
Main gear and axle shafts — design description
Noise in the vehicle axle shafts
Checking the cuffs on the half-shafts
Dismantling and installation of articulated shafts
Car gearbox
Manual gearbox — design description
The principle of operation of a step gearbox
Continuously variable transmission Multitronic
Gearbox with magnesium crankcase
Adjusting the gear shift mechanism
Checking the transmission oil level
Transmission oil change
Noises in a manual transmission
Automatic transmission — general information
Automatic transmission gear selector positions
Checking the automatic transmission
Precautions when towing a car with automatic transmission
Automatic transmission fault indicator
Chassis
Suspension and wheels
Suspension and steering — general information
Wheel installation geometry
Front Wheel Suspension — Design Description
Rear wheel suspension — design description
Checking the wheel installation
Checking the condition of shock absorbers
Electronic stability control system ESP
Checking the clearance in the wheel bearing
Dismantling and installation of shock absorber strut
Removing the front shock absorber and spring
Removing and installing springs and shock absorbers of the rear axle
Tires and Wheels — Design Description
How to extend the life of your tires
Checking tire pressure
Wheel replacement
Checking the condition of the tires
Steering
Checking the steering gear play
Checking the steering rack seals
Checking the seals and ends of the tie rods
Checking ball joints
Replacing the tie rod ends
Power steering — design description
Checking the Power Steering Oil Level
Checking the tightness of the power steering
Bleeding the Power Steering
Power steering adjustment
Power Steering Malfunction Indicator
Brake system
Brake system — design description
Anti-lock braking system in detail
Brake maintenance: If in doubt, consult a workshop
Checking the brake fluid level
Checking the condition of the brake system
Checking the brake booster
Checking the brakes
Measuring brake lining thickness
Checking the condition of the brake discs and rotor
Bleeding the brake system
Brake fluid — description and safety precautions
Replacing brake fluid
Removing and installing the brake fluid reservoir
Brake master cylinder and brake booster
Removing and installing the brake hose
Replacing the front wheel brake pads
Removing and installing rear wheel brake pads
Removing and installing brake discs
Restoring the mobility of the front brake cylinder piston
Checking the wheel brake cylinder piston (on the front axle)
Handbrake — General Information
Checking the operation of the handbrake
Replacing handbrake cables
Adjusting the handbrake
Brake system malfunction indicator
Body
Interior
General description of the car interior
Removing and installing the box for small items on the driver's side
Removing and installing the glove box
Removing and installing the center console
Removing and installing the trunk trim
Removal and installation of door trim
Removing and installing a sun visor
Removing and installing the rear seat
Removing and installing the middle armrest
Electric window fault indicator
Centralized door locking system fault indicator
Removing and installing a radio receiver
Removing and installing the rear view mirror
Removing and installing the rear ashtray
Exterior
General information about the car body
Safety rules for bodywork
Cleaning drain hoses
Centralized door locking system (installation diagram)
Removing and installing the radiator grille
Removing and installing the front bumper
Fastening the front bumper to the energy absorbing shock absorber
Removing and installing the rear bumper
Installing the lock bracket in the service position
Dismantling and installation of sound insulation
Removing and installing the front wing and end piece
Removing and installing the front wheel cover
Removing and installing the rear wheel cover
Removal, installation and adjustment of the hood
Removal, installation and adjustment of the rear (trunk) door
Removing and installing the front door lock and handle
Rear door lock
Dismantling and installation of slats and moldings
Side protective pads
Butt plate for side member
Second pillar body molding
Removing and installing the threshold strip
Dismantling and installation of the side member lining
Electrical equipment
Equipment and devices
Car electrical system — general information
Basic concepts of electrical engineering
Measuring voltage, current and resistance
On-board electrical equipment instruments — general information
Checking instruments and alarms before driving
Checking the operation of switches
Removing and installing a light switch
Headlight leveling regulator
Switch in the middle console
Glove compartment light switch
Switch for changing the position of the mirror
Driver's side window switch
Front passenger side window switch
Centralized door locking system switch
Push button for interior security alarm
Rear door contact switch
Dismantling and installation of the combination instrument
Multi-contact plug connections
Switching relays — description
Distribution of fuses by circuits
Lighting and signaling
Car Lighting — Description and Safety
Mandatory control of the lighting system
Replacing headlight bulbs
Parking light bulb
Low beam incandescent lamp
High beam incandescent lamp
Direction indicator bulb
Removing and installing the servomotor for adjusting the headlight angle
Headlight leveling control device
Control gear for gas discharge lamp
Removing and installing the main headlight
Temporary headlight adjustment
Removing and installing the rear light and rear light bulbs
Replacing license plate light bulbs
Replacement of the upper brake light
Removing and installing side direction indicators
Front lamp and reading light
Rear lamp and reading light
Dismantling and installation of interior lighting fixtures and lamps
Signaling devices — general information
Simulation of the turn signal flasher relay in case of failure
Checking and replacing the brake light switch
Safe parking system
Indicator of malfunctions of sound and light signals
Power devices
Battery — design description
Starter — design description
Generator and voltage regulator — design description
Organization of the electrical network
Checking the electrolyte level in the battery, caring for the contacts
Checking the density of the electrolyte
Measuring the battery's resting voltage
Battery load test
Charging the battery
Starting the engine from an external battery
Dismantling and installation of the generator
Checking the voltage regulator
Driving with a faulty alternator
Battery and Generator Malfunction Indicator
Removing and installing the starter
Engine starter fault indicator
Electrical circuits
Designation of parts on schematic diagrams, colors of wires
How to use schematic diagrams
Battery, ignition and starter switch
Electrically adjustable driver's seat, without memory
Electrically adjustable rear seat on the driver's side
Electric adjustment of the passenger seat
Electrically adjustable rear passenger seat
Starter and reverse signal relay
Automatic transmission control unit, Tiptronic
Automatic transmission control unit
Audi A4 B6
(2000-2006)
General information
Vehicle Description
About this Guide
Audi A4/S4 cars — abstract
Vehicle Identification Numbers
Purchase of spare parts
Service technology, tools and workplace equipment
Jacking and towing
Automotive chemicals, oils and lubricants
Troubleshooting
Vehicle specifications and dimensions
Starting the engine from an auxiliary battery
User manual
Controls and instruments
Driver Information System (FIS)
Unlocking and locking the car
Lighting and visibility
Seats and niches
Heater, ventilation and air conditioning
Automatic transmission (AT)
Communication and navigation
Universal HOME LINK® Radio Remote Control
Security systems
Features of operation and auxiliary systems
Running in a car
Towing a trailer
In emergency cases
Refueling a car
Maintenance
Routine care and maintenance
Component specifications and filling volumes
Maintenance due date indicator
Schedule of current maintenance
General information about the setup
Checking fluid levels, leak monitoring
Checking the condition of tires and their pressure. Designation of tires and wheel rims. Rotation and replacement of wheels
Changing engine oil and oil filter
Checking the brake system. Adjusting the parking brake
Checking the fuel system
Checking the condition and replacing engine compartment hoses, localizing leaks
Checking the condition of the ribbed belts of the serpentine drive of auxiliary units
Checking the functioning of the cooling system and frost resistance of the coolant
Checking the condition of the exhaust system
Checking the Automatic Transmission Oil Level
Visual inspection of gearbox and final drive for leaks, checking oil level and adding oil
Checking the condition of suspension and steering components
Checking the condition of the protective covers of the drive shafts
Checking the power steering fluid level
Checking the air conditioning system
Lubrication of door stops, lock cylinders, hood hook, sliding sunroof panel
Visual inspection of the seat belt and airbag unit
Checking the functionality of headlights and horn
Checking the condition, adjusting and replacing windshield wiper blades
Checking battery condition, care and charging
Replacing the emergency power supply battery of the Telematik system
Replacing the cabin air filter element / carbon air filter
Replacing brake fluid
Checking and replacing spark plugs. Checking the condition of high-voltage wires
Replacing the engine air filter element
Replacing the fuel filter
Checking the condition and tension of the toothed belt
Power unit
Gasoline engine
Engine specifications
Removing and installing the upper engine cover / lower engine compartment protection / subframe
Checking the compression in the engine cylinders, detecting leaks
Checking the engine with a vacuum gauge
General information about the 4-cylinder engine
Removing and installing the timing belt (4-cylinder)
Removing and installing the cylinder head (4-cylinder)
Removing and installing the accessory drive belt (4-cylinder)
Basic information about 6- and 8-cylinder engines
Replacing the timing belt (6-, 8-cylinder)
Removing and installing the cylinder head (6-, 8-cylinder)
Removing and installing the accessory drive belt (6-, 8-cylinder)
Diesel engine
General information about the 4-cylinder engine
Removing and installing a timing belt, 1.9L engines (AVB, AWX, AVF)
Belt tensioner with friction damping (4-cylinder)
Removal and installation of cylinder head, diesel engines 1.9 l (AVB, AWX, AVF)
Removing and installing the accessory drive belt (4-cylinder)
General information about the 6-cylinder engine
Removing and installing the timing belt (6-cylinder)
Removing and installing the cylinder head (6-cylinder)
Removing and installing the accessory drive belt (6-cylinder)
Lubrication system
General information about the lubrication system
Engine oils used. Oil consumption
Oil pump and oil pan
Checking oil pressure and pressure sensor
Cooling system
Cooling system specifications
General information about the cooling system
Antifreeze — a means of protection against freezing
Replacing the coolant
Removing and installing the thermostat
Checking the Thermostat
Replacing cooling system hoses
Removing and installing the radiator
Removing and installing the radiator fan
Removing and installing the coolant pump
Supply system
Power supply system specifications
Fuel systems for gasoline and diesel engines
Relieving pressure in the fuel system
Removing and installing a fuel pump with a fuel level sensor
Bleeding the fuel system (1.8L petrol engine)
Removing and installing the fuel filter
Removing and installing the air filter
Injection system
Fuel injection system of a gasoline engine
Functioning of the control and injection system of a gasoline engine
General check of the petrol engine injection system
Checking and adjusting idle speed / ignition / CO concentration
Diesel engine fuel injection system
Winter Operation of Diesel Injection System
Checking the diesel fuel injection system
Exhaust system
Removal and installation of the exhaust system. Replacement of the central, additional muffler, end pipe
Exhaust System/Tailpipe Routing Adjustment
Emission control systems
Catalytic converter
Removal and installation of the catalytic converter and lambda probes
Turbocharger — General Information and Precautions
Intercooler — general information
Ignition and control
Engine Electrical System Specification
OBD II 2nd Generation On-Board Diagnostic Codes
Ignition and engine management system
Checking the ignition and injection control system
Troubleshooting — General Information and Preliminary Checks
Checking and adjusting the ignition timing angle
Spark plugs
Diesel engine preheating system
Removing and installing glow plugs
Checking glow plugs
Diagnostics of electronic control systems and diagnostic equipment
Diagnostics of electronic engine control systems, injection, ignition and auxiliary brake systems
Controller for interfacing a personal computer with an on-board OBD II self-diagnostic system according to SAE (PWM and VPW) and ISO 9141-2 protocols
Using an Oscilloscope to Monitor Signals in Control System Circuits
Transmission
Gear box
Manual Transmission Specifications
Checking the oil level in a manual transmission
Adjusting the gear shift drive
Checking the gear shift lever adjustment
Description of automatic transmission
Automatic Transmission Specifications
Troubleshooting Automatic Transmission
Removal and installation of manual transmission
Clutch and drive shafts
Clutch and Drive Shaft Specifications
General information and clutch device
Removal, installation and testing of the clutch
Removing and installing the bearing
Bleeding air from the clutch hydraulic system
The device of the drive shafts of the wheels
Removing and installing the drive shaft
Disassembling the drive shaft and replacing the protective cover
Quattro all-wheel drive system
Chassis
Brake system
Brake system — general information
Brake system specifications
Bleeding the brake system
Removing and installing front brake pads
Removing and installing rear wheel brake pads
Checking the thickness of the brake disc
Removing and installing the brake disc / caliper
Adjusting the parking brake
Removing and installing the brake light switch
Removing and installing the brake hose
Car suspension
Suspension and steering specifications
Safety measures during work
Front wheel suspension
Removing and installing the front shock absorber strut
Removing and installing the front shock absorber / disassembling the shock absorber strut
Rear wheel suspension
Removing and installing the rear coil spring
Removing and installing the rear shock absorber
Wheel alignment angles of a car
Conditions for checking wheel alignment angles
Steering
General information about steering and safety precautions
Removing and installing the airbag unit
Removing and installing the steering wheel
Removing and installing the steering rod end
Removing and installing the steering gear protective cover
Body
Heating and ventilation
General information and safety precautions
Removing and installing air nozzles
Removing and installing the ventilation flap drive electric motor
Removing and installing the heater/air conditioning control unit
Removal and installation of the electric motor of the heater and air conditioner fan drive
Removing and installing the outside air temperature sensor
Removing and installing an additional heating element
Exterior (external elements)
Body specifications and dimensions
General information and safety precautions when performing bodywork
Cleaning and care of the body
Repair of minor damage to body panels
Repair of significant body damage
Setting the front panel to the maintenance position
Removing and installing the water collection compartment cover
Removing and installing the front bumper
Removing and installing the rear wing liner
Removing and installing the front wing liner
Removing and installing the front wing
Removing and installing the rear bumper
Removal and installation / adjustment of the hood
Removing and installing the hood release cable
Removing and installing the lock retainer
Removing and installing the front door trim
Removing and installing the rear door trim
Removing and installing the door
Door adjustment
Removing and installing the front door window frame
Removing and installing the window lifter
Removing and installing the window lifter drive motor
Removing and installing the door lock
Removing and installing the door handle
Removing and installing the door lock cylinder
Removing and installing the trunk lid trim
Removal, installation and adjustment of the trunk lid
Removing and installing the trunk lock
Removing and installing the tailgate trim (Station wagon)
Removing and installing the tailgate (station wagon)
Removing and installing the tailgate lock (Station wagon)
Removing and installing the outside mirror
Removing and installing moldings
Removing, installing and checking the sliding roof panel
Removing and installing the sliding roof panel trim
Checking and adjusting the initial position of the sliding roof panel
Removing and installing the sliding panel seal
Replacing the rubber bands of the windshield wipers
Removing and installing the windshield washer nozzle
Removing and installing the rear window washer nozzle
Removing and installing the windshield wiper arm
Removing and installing the rear window wiper arm
Removing and installing headlight washer jets
Adjusting the windshield wiper arms
Interior (internal elements)
Notes on working with salon equipment and safety measures
Removing and installing spring clamps
Removing and installing the center console
Removing and installing the drink holder
Removing and installing the parking brake lever trim
Removing and installing the gearshift lever/selector cover
Removing and installing the ashtray
Removing and installing the central armrest
Removing and installing the interior mirror
Removing and installing the cover on the dashboard
Removing and installing the pocket on the driver's side
Removing and installing the glove box
Removing and installing the sun visor
Removing and installing the A-pillar trim
Removing and installing the upper trim of the B-pillar
Removing and installing the lower trim of the B-pillar
Removing and installing the front door sill trim
Removing and installing trims (Sedan)
Removing and installing trims (Universal)
Removing and installing the front seat
Removing and installing the rear seat
Removing and installing the front seat belt
Removing and installing the rear seat belt
Electrical equipment
Power devices
General information about the charging and starting system
Battery — Basic Information and Purchase
Checking and charging the battery
Replacing the battery
Storage of the battery
Charging system — general information and safety precautions
Checking the charging system
Removing and installing the generator
Removing and installing the voltage regulator / replacing the brushes
Engine Starting System — General Information and Precautions
Removing and installing the starter
Checking the engine starting system
Lighting and appliances
Electrical Equipment Specifications
Diagnostics of faults of on-board electrical equipment — general information
Disconnecting connectors
Checking the windshield wiper motor
Checking the heated rear window
Checking brake lights
Removing and installing the horn
Removing and installing parking sensors
Ignition Key Remote Control Battery Replacement
Relays and fuses
Replacement of incandescent lamps for outdoor lighting devices
Removing and installing headlights
Removing and installing side turn signal repeater
Removing and installing an additional brake light
Removing and installing the rear light
Removing and installing the license plate light
Removing and installing interior lighting fixtures
Removing and installing the instrument panel
Removing and installing the steering column switch
Removing and installing front door switches
Removing and installing the light switch
Removing and installing the rear door window switch
Removing and installing the trunk lid switch
Removing and installing the parking brake switch
Removing and installing the glove compartment light switch
Removing and installing center console switches
Removing and installing radio/navigation device/CD changer
Removing and installing speakers
Removing and installing antennas
Removing and installing windshield washer fluid reservoir/pump motor
Removing and installing the windshield wiper motor
Removing and installing the electric motor on the rear window (Station wagon)
Single Lock — General Information
Removing and installing the fuel tank cap locking element
Digital data bus CAN
Electrical circuits
Designations on electrical equipment diagrams
Power distribution diagram
Charging system
Starting system, manual transmission models
Starting system, models with CVT
Cooling system fan
Automatic air conditioning system
Engine Management System 1.8L
Engine Management System 3.0L
Diagnostic connector DLC
On-board computer
Communication bus (CAN)
AT shift lock, CVT models
Standard type automatic transmission
Automatic transmission continuously variable (CVT)
AT shift lock, models with 5-speed AT
Electronic power steering system
Brake pad wear signals
Anti-lock brake system (ABS)
Supplemental Restraint Systems (SRS)
Standard headlights
Headlights with high-intensity discharge lamps
Headlight washers
Heating of washer fluid supply nozzles
Horn
Reversing lights, models with AT
Reversing lights, models with manual transmission
Interior lighting when doors are opened
Dashboard
Instrument lighting
Heated seats
Electric seats
Electrically heated door rear view mirrors
Seat/Rearview Mirror Memory System
Electric door mirrors, models with folding mirrors
Electric door mirrors, models without folding mirrors
Interior rearview mirror with automatic switching between Day/Night modes
Electrically heated rear window
Electric sunroof/soft top
Electric rear window sunblind
Electric window lifters
Bose audio system
Audio system with amplifier
Audio system without amplifier
Single lock
Navigation system
Trunk lid latch release drive
Anti-theft system
Audi A4 B7
(2004-2008)
General information
Introduction to manual
Audi A4 Cars — Abstract
Vehicle Identification Numbers
Jacking/hanging and emergency transportation of a vehicle
Starting the engine from an auxiliary power source
Troubleshooting — General Information
Specifications and technical characteristics
Abbreviations and acronyms used in this manual
Abbreviations and acronyms used in the manual
Troubleshooting
Troubleshooting — Engine
Troubleshooting — Engine Electrical Equipment
Troubleshooting — Starting System
Troubleshooting — Power System
Troubleshooting — Lubrication System
Troubleshooting — Cooling System
Troubleshooting — Climate System
Troubleshooting — Clutch
Troubleshooting — Manual Transmission (MT)
Troubleshooting — Automatic Transmission (AT)
Troubleshooting — Transmission Line
Troubleshooting — Brake System
Troubleshooting — Suspension, Steering and Tires
Troubleshooting — Windscreen Wipers
Operating instructions
Keys and a single lock
Doors and boot lid/tailgate/rear window
Access to the underhood space
Access to the fuel tank filler neck
Upper hatch
Windows doors
Anti-theft system
Seat belts
Transportation of children
Seat and headrest adjustment, additional seat functions
Adjustment of rear view mirrors and steering wheel, their additional functions
Supplemental Restraint Systems (SRS)
The dangers of carbon monoxide poisoning
Vehicle controls and equipment
Instrument cluster
Central display of the instrument cluster, driver information system
Climate system
Cruise control and adaptive cruise control (ACC)
Parking Control (PDC)
Audio system, navigation system and telephone
Starting and stopping the engine, starting the movement
Running in a car and general recommendations for car operation
Transmission control
Brake system
Cargo transportation and trailer towing
Steering and all-wheel drive
Maintenance
Routine vehicle maintenance specifications
General information about maintenance
General information about settings and adjustments
Schedule of current maintenance
Checking fluid levels, leak monitoring
Checking the condition and replacing hoses and tubes in the engine compartment, localizing leaks
Changing engine oil and oil filter
Checking the condition and adjusting the components for cleaning and washing glass and headlights
Checking the brake system
Replacing brake fluid and bleeding the brake system
Checking the condition of suspension and steering components
Checking the condition of the CV joint boots of the drive shafts
Checking the condition of the tires and their inflation pressure
Checking the condition of the exhaust system
Replacing spark plugs
Replacing the cabin filter of the climate control system, removing and installing the cover of its housing
Replacing the air cleaner filter element
Checking and caring for your battery
Checking the condition of the auxiliary drive belt
Replacing and cleaning the fuel filter (diesel models)
Replacing the battery for the emergency call function
CVT fluid replacement
Power unit
Petrol engines 2.0 (ALT)
Engine — Specifications
General information and preparatory operations
Checking the compression pressure
Checking the engine with a vacuum gauge
Checking engine oil pressure and engine oil pressure indicator D/V
Removing and installing the engine
Bringing the radiator frame into service position
Removing and installing the alternator drive belt
Removing and installing the crankshaft pulley
Removing and installing the auxiliary unit bracket
Removing and installing the timing belt and its tensioner
Replacing crankshaft seals and their holders
Removing and installing the flywheel
Removing and installing the cylinder head and its cover
Removal and installation of camshafts and chain tensioner, replacement of seals
Timing belt repair
Removal and installation of parts and units of the lubrication system and balance shafts, major engine repairs
Petrol engines 2.0 (TFSI)
Removing and installing the engine
Bringing the radiator frame into service position
Removing and installing the alternator drive belt
Removing and installing the crankshaft pulley
Removing and installing the auxiliary unit bracket
Removing and installing the timing belt
Replacing crankshaft seals and their holders
Removing and installing the flywheel/drive disc
Removing and installing the cylinder head, its cover and the valve for changing the timing phases
Removal and installation of camshafts and timing mechanism, replacement of seals, timing mechanism repair
Removal and installation of parts and units of the lubrication system and balance shafts
Major repairs
Petrol engines 1.8 (MPI)
Removing and installing the engine
Bringing the radiator frame into service position
Removing and installing the alternator drive belt, crankshaft pulley and accessory bracket
Removing and installing the timing belt and its tensioner
Replacing crankshaft seals and their holders, removing and installing the flywheel/drive disk
Removing and installing the cylinder head and its cover
Removal and installation of camshafts, replacement of their seals, timing belt repair
Removal and installation of parts and units of the lubrication system and balance shafts, major engine repairs
1.6L MPI petrol engine
3.0L MPI petrol engine
3.2L FSI petrol engine
Diesel engines
Removal and installation of the engine (1.9 and 2.0 l TDI-PD (SOHC))
Removing and installing the alternator drive belt, its tensioner and crankshaft pulley (1.9 and 2.0 l TDI-PD (SOHC))
Timing Belt Replacement (1.9 and 2.0L TDI-PD (SOHC))
Flywheel, crankshaft and pistons (1.9 and 2.0L TDI-PD (SOHC))
Cylinder head and its components (1.9 and 2.0 l TDI-PD (SOHC))
Lubrication system (1.9 and 2.0 l TDI-PD (SOHC))
Timing Belt Replacement, TDC Setting (2.0L TDI-PD (DOHC))
Cylinder head and its components (2.0L TDI-PD (DOHC))
Lubrication system (2.0L TDI-PD (DOHC))
Engine design features (2.7 and 3.0 l)
Cooling system
Engine Cooling and Cabin Air Conditioning Systems — Specifications
General information and precautions
Replacing the coolant, bleeding the cooling system
Removing and installing the radiator shroud and fan assembly
Removing and installing the radiator
Checking, removing and installing the thermostat
Removing and installing the water pump
Air conditioner
Climate system — general information
Removing and installing the climate control unit
Removing and installing the air conditioning fan and its control unit
Removing and installing the radiator
Removing and installing the heating element of the additional heater
Removing and installing the climate control system housing
Removing and installing the air conditioning system condenser
Removing and installing the compressor
Removal and installation of climate control system sensors and actuators
Fuel and exhaust system
Fuel and exhaust systems — specifications
Power supply system: general information and safety precautions
Operating principles of the engine management system
Removing and installing the air cleaner, replacing its filter element
Removing and installing the intake manifold
Removal and installation of fuel distribution line and injectors
Removing and installing the intercooler
Removing and installing a turbocharger
Removal and installation of fuel injection pump
Removal and installation of pump-injectors
Removing and installing the gas pedal
Removing and installing the fuel tank
Removing and installing the fuel supply module
Removing and installing the EVAP canister (petrol models)
Replacing the fuel level sensor
Exhaust and Emission Control Systems — General Information
Removing and installing the exhaust manifold
Removal and installation of exhaust system components
Removal and installation of the radiator and vacuum block of the EGR system
Ignition system
Engine Electrical Systems — Specifications
Basic information and safety precautions
Troubleshooting — General Information
Preliminary checks
Engine Management System Diagnostics
Replacing spark plugs, ignition coils and ignition module (petrol models)
Replacing glow plugs (diesel models)
Removing and installing ECM
Removing and installing the clutch slave cylinder
Starting and charging
General information
Battery — General information, maintenance recommendations
Disconnecting the battery (disconnecting the negative cable)
Removing and installing the battery, replacing the positive cable
Removing and installing the generator
Removing and installing the starter
Transmission
Clutch
Clutch — General Information
Removing and installing the clutch basket, reinstalling the adjusting ring
Removing and installing the clutch master cylinder
Manual gearbox
Manual transmission and clutch specifications
Manual transmission — general information
Removal and installation of manual transmission
Removing and installing the gear shift handle
Removal and installation, disassembly and assembly of gear shifting
Checking and adjusting the gear shift drive
Overhaul of manual transmission
Automatic gearbox
Automatic Transmission — Specifications
Automatic transmission (AT) — general information
Troubleshooting
Removal and installation of AT and torque converter
Removal and installation of the oil pan AT
Removal and installation of the electrohydraulic unit (mechatronics)
Work with the ATF cooling circuit
Work with the selector lever
Removing and installing the selector mechanism
Removing, installing and adjusting the selector cable
Removing, installing and adjusting the locking cable
Continuously Variable Transmission (CVT) — General Information
Removal and installation of CVT
Drive shafts
Transmission line and wheel hubs — specifications
Transmission line and wheel hubs — general information
Removal and installation of the cardan shaft and its components
Removing and installing the rear differential
Removing and installing the front wheel bearing holder
Removing and installing front drive shafts
Removing and installing rear drive shafts (AWD models)
Removing and installing the rear wheel hub (FWD models)/steel hub assembly (AWD models)
Chassis
Brake system
Brake system — specifications
General information and safety precautions
Replacing brake pads and their sensors
Removing and installing parking brake cables
Removing and installing the parking brake lever, returning it to its original position
Adjusting the parking brake drive
Removing and installing the brake pedal bracket
Removal and installation of the brake master cylinder and vacuum booster
Removing and installing a mechanically driven suction pump
Removing and installing a vacuum pump
Removal, installation and adjustment of D/W brake lights
Removing and installing ABS/ESP sensors
Removal and installation of the Bosch 8.0 hydraulic modulator
Front suspension
Suspension and steering — specifications
General information, recommendations and safety measures
Unloading the suspension
Removing and installing the suspension strut
Disassembly and assembly of suspension strut
Removing and installing the support bracket and upper rods
Removing and installing the support arm
Removing and installing the guide rod
Removing and installing the anti-roll bar
Removing and installing the upper stretcher
Removing and installing the front suspension height sensor
Conditions for checking wheel alignment angles
Car Wheel Alignment Angles — General Information
Adjusting the front wheel alignment angles
Rear suspension
Removing and installing the rear suspension height sensor
Removing and installing the rear suspension spring
Removal and installation, disassembly and assembly of the shock absorber
Removing and installing the transverse tie rod
Removing and installing the trapezoidal rod
Removing and installing the guide rod
Removal and installation of the stabilizer and its struts
Adjusting the rear wheel alignment angles
Steering
Removing and installing the steering wheel and driver's front airbag
Removing and installing the steering column
Removal, installation and adjustment of the steering gear
Power steering pumping
Removing and installing the power steering pump
Body elements in the front of the car
Body
Exterior
Body — specifications
Body — general information
The hood and its fastening and fixing parts
Luggage compartment lid
Rear door and fuel filler cap
Side doors and their components
Upper hatch
Body elements in the front of the car
Rear view mirrors
Interior
Removing and installing interior rear view mirror
Storage compartments, trims and center console
Removing and installing door trim panels and trunk lid
Removing and installing the instrument panel and its beam
Removing and installing seats
Removing and installing seat belts
Electrical equipment
Equipment and devices
On-board electrical equipment — general information
Diagnostics of faults of on-board electrical equipment
Fuses and relays
Removing and installing the SRS control unit, sensors and coil spring
Removing and installing the front passenger airbag
Removal and installation of inflatable curtains
Removing and installing the instrument cluster
Steering column paddle shifters and other steering column components
Removing and installing the audio unit, CD changer and navigation system unit
Lighting and signaling
Headlight adjustment
Removal and installation of halogen headlights and their components
Removal and installation of xenon headlights and their components
Removal and installation of other lighting fixtures, replacement of their lamps
Removing and installing switches and lighting control units
Windscreen wipers and washers
Removing and installing windshield wiper arms
Removing and installing the windshield wiper motor
Removing and installing windshield nozzles
Removing and installing the washer fluid reservoir
Removing and installing the windshield wiper nozzle and arm
Removing and installing the rear window wiper motor
Electrical diagrams
Color designations for wire insulation and fuses
Location of relays and fuses
Designations on diagrams
Engine management system (BPG, BGB, BWE, BUL and BYK from August 2004; BWT from June 2006; BPJ from November 2006)
5-speed AT with manual mode (since November 2004)
6-speed AT 09L with manual mode (since August 2004)
CVT 01J (since August 2004)
ABS and ESP systems (up to model year 2006)
ABS and ESP systems (since 2006 model year)
CAN bus (since 2006 model year)
Diagnostic connector (since August 2006)
Control of the cooling fan of petrol engines (BGB, BPG, BWE, BYK; BUL since August 2004; AUK, BKN since January 2005; BWT since June 2006; BPJ since November 2006)
Servotronic (since 2003)
Multifunction steering wheel (from 2004 model year)
Climate system (since August 2004)
Additional heater (from August 2004)
Heated seats (from September 2006)
Electric seats and mirrors with memory function (since 2006 model year)
Auto-dimming interior rearview mirror, automatic headlight control (from August 2004)
Halogen headlights and fog lights (from August 2004)
Xenon headlights with cornering light and automatic levelling (from August 2004)
Main equipment (since 2006 model year)
Rear combination lights for Estate models (from August 2004)
Parking assistance system (from August 2004)
SRS system (since 2006 model year)
Comfort systems (since 2006 model year)
Upper hatch (since August 2004)
Tire Inflation Pressure Monitoring System (since August 2004)
Electric rear window curtain (since August 2004)
Universal Remote Control (since 2004 model year)
Audio preparation (since 2003 model year)
Electrical diagrams (since 2007)
Color designations for wire insulation and fuses
Location of relays and fuses
Designations on diagrams
Engine management system 1.8 TFSI (SABA/SABB, CDHA/CDHB)
Radiator fan (400 W), for petrol models, from September 2007
6-speed AT (0В6), since September 2007
CVT (0AW), since September 2007
DSG (0В5), since September 2008
Suspension stiffness adjustment, since September 2007
ABS and ESP, from September 2007
Electromechanical parking brake, since September 2007
Dynamic steering, since November 2007
Multifunction steering wheel, from September 2007
Start-stop system, since May 2009
Adaptive Cruise Control (ACC), since September 2007
CAN bus, since September 2007
Diagnostic connector, since September 2007
2-zone climate control system, since September 2007
Heated and ventilated seats, from September 2007
Additional heater, since September 2007
Driver's seat, since September 2007
Parking assistance system, since September 2007
Xenon headlights with cornering light and automatic levelling, from September 2007
Basic equipment, since September 2007
Comfort systems (anti-theft alarm, single lock, electric window lifts and mirror adjustment), since 2007
SRS, since September 2007
Audio system (standard), from September 2007
Audi A6 C4
(1994-1997)
General information
User manual
Audi 100/100 Avant, S4/S4 Avant instrument cluster
Audi A6/A6 Avant, S6/S6 Avant instrument cluster
Signal and control lamps
Manual seat adjustment
Electrical force adjustment
Electric windows
Installing the steering wheel
Ignition switch
Switches on the dashboard
Lever light switches
Windscreen wipers and washers
Heating and ventilation
Air Conditioning Control
Installation of exterior mirrors
Electrically folding exterior mirrors
Lift and slide roof panel
Folding fuel filler flap
Automatic transmission
Dynamic Shift Program (DPS)
Backup or emergency program
Control lever positions
Kick-down device
Driving tips
Instrument cluster
Control lamps
Red symbols (1st priority level)
Yellow symbols (2nd priority)
On-board computer
Switch functions
Constant speed control system
Windscreen wiper and washer system
Automatic air conditioner
Air outlet devices
Remote control for autonomous heater
Electronic Differential Lock (EDS)
Oil level control
Power steering/Servotronic, ride height control
Cooling system
Brake fluid
Color codes for fuses
Replacing lamps
Replacing the headlight bulb (standard version)
Replacing the low beam lamp
Replacing the high beam lamp
Replacing the parking light bulb
Replacing the fog light bulb
Replacing the front turn signal bulb
Replacing the rear side light bulb
Replacing the rear overhead door light bulb
Replacing the license plate light bulb
Auxiliary cable outlet
Implementation of start-up assistance
Vehicle Passport Data
1.8L 4-cylinder engine
1.9L 4-cylinder engine
5-cylinder 2.5L diesel engine
Recommended tire pressure
Maintenance (gasoline)
View of the engine compartment and filling volumes
Regular maintenance
Changing engine oil and filter
Checking the front brake linings
Checking the drain channels in front of the windshield
Resetting the Maintenance Sensor
Checking windshield washers
Checking the headlight adjustment
Lubrication of hinges and locks
Checking the electrolyte level in the battery
Checking the ECU memory module
Checking for leaks
Checking the antifreeze content
Replacing spark plugs (leaded petrol models)
Checking and replacing V-belts
Checking the brake system
Checking the exhaust system
Checking steering, suspension and axle components
Checking and lubricating the upper hatch mechanism
Replacing spark plugs (models before 1993, unleaded gasoline)
Checking and replacing the multi-lane drive belt
Replacing the fuel filter
Replacing the paper filter
Checking the automatic transmission fluid level
Checking the final drive fluid level (automatic transmission models)
Checking the manual transmission oil level
Replacing the air filter
Replacing Spark Plugs (1994 and later models)
Replacing the drive belt (4-cylinder engines)
Automatic transmission fluid replacement
Replacing brake fluid
Replacing the coolant
Maintenance (Diesel)
View of the engine compartment and filling volumes
Regular maintenance
Changing engine oil and filter
Checking the front brake linings
Checking the drain channels in front of the windshield
Draining fluid from the fuel filter
Resetting the Maintenance Sensor
Checking windshield washers
Checking the headlight adjustment
Lubrication of hinges and locks
Checking the electrolyte level in the battery
Checking the ECU memory module
Checking for leaks
Checking the antifreeze content
Checking and replacing V-belts
Checking the brake system
Checking the exhaust system
Checking steering, suspension and axle components
Checking the timing belt (4-cylinder engine)
Checking the car in road conditions
Checking and lubricating the upper hatch mechanism
Checking and replacing the multi-lane drive belt
Checking the timing belt (5-cylinder engine)
Checking the injection pump drive belt (2.5L engine)
Replacing the fuel filter
Replacing the paper filter
Checking the automatic transmission fluid level
Checking the final drive fluid level (automatic transmission models)
Checking the manual transmission oil level
Replacing the air filter
Automatic transmission fluid replacement
Replacing brake fluid
Replacing the coolant
Gasoline engines
4 cylinder engines
Engine specifications
Timing marks for valve timing
Compression check
Gas distribution belt
Timing belt tensioner, sprockets
Additional drive belts
Camshaft cover
Camshaft oil seal
Intermediate shaft seal
Crankshaft oil seals
Cylinder head
Hydraulic tappets
Removing and installing the flywheel
Engine mounts
Oil pan
Oil pump and oil intake pipe
5 cylinder engines
Engine specifications
Timing marks for valve timing
Gas distribution belt
Timing belt tensioner, sprockets
Additional drive belt
Camshaft cover
Camshaft oil seal
Crankshaft oil seals
Cylinder head
Hydraulic tappets
Removing and installing the flywheel
Engine mounts
Oil pan
Oil pump and oil intake pipe
6 cylinder engines
Technical specifications
Toothed belt
Cylinder head
Removing and installing valves
Replacing valve stem seals
Checking the valve guides
Finishing of the seat/valve seat chamfer
Lapping valve seats
Compression check
Poly V-belt
Lubrication system
Oil pump
Diesel engines
4 cylinder engines
Technical specifications
Timing marks for valve timing
Compression check
Gas distribution belt
Timing belt tensioner, sprockets
Additional drive belts
Camshaft cover
Camshaft oil seal
Intermediate shaft seal
Crankshaft oil seals
Cylinder head
Hydraulic tappets
Removing and installing the flywheel
Engine mounts
Oil pan
Oil pump and oil intake pipe
5 cylinder engines
Engine specifications
Timing marks for valve timing
Compression check
Gas distribution belt
Fuel pump drive belt
Timing Belt Tensioner and Sprockets
Additional drive belt
Camshaft cover
Camshaft seals
Crankshaft oil seals
Cylinder head
Hydraulic tappets
Removing and installing the flywheel
Engine mounts
Oil pan
Oil pump and oil intake pipe
Engine repair
Removal and reassembly
Engine codes and their specifications
Tightening torques for threaded connections
Repair work possible without dismantling the engine
General comments on major repairs
Options for carrying out major repairs
Engine dismantling
Engine disassembly sequence
Removing and installing the engine
Engine overhaul
Overhaul and cleaning of the cylinder head
Checking and assembling the cylinder head
Pistons and connecting rods
Removing and checking the crankshaft
Installing and checking the crankshaft
Intermediate shaft
Cylinder block
Main and connecting rod bearings
Installing piston rings
First engine start after overhaul
Cooling system
Technical characteristics of the cooling system
Cooling system hoses
Removing and installing the radiator
Removing and installing the thermostat
Cooling fan
Cooling system switches and sensors
Water pump
Single point injection system
Technical characteristics of the mono spray system
Air filter and air intake pipes
Incoming air temperature controller
Accelerator cable
Fuel injection system components
Fuel filter
Fuel pump and fuel level sensor
Fuel tank
Releasing pressure from the fuel injection system
Intake manifold
Unleaded petrol
Multipoint injection system
Technical characteristics of the multipoint system
Air filter
Accelerator cable
Motronic/Jetronic fuel injection system components
Digifant Fuel Injection System Components
Fuel filter
Fuel pump and fuel level sensor
Fuel tank
Releasing pressure from the fuel injection system
Intake manifold
Unleaded petrol
MPI/MPFI injection system
Technical characteristics of the injection system
MPI injection system device
Differences in injection systems
Injection system sensors
Idle speed control
Removing and installing valve injectors
Checking the valve injectors
Oxygen sensor
Fuel system (diesel)
Technical characteristics of the diesel fuel system
Air filter
Accelerator cable and accelerator pedal components
Fuel level sensor
Fuel tank
Injection pump (1Z and AHU engines)
Injection pump (ABP, AAT and AEL engines)
Injection pump (AAS engine)
AAS engine idle speed and maximum operating speed
Fast Idle Mode (AAS Engine)
Residual fuel volume (AAS engine)
Fuel injectors
Diesel engine control system
Intake manifold
Exhaust system
Description of the exhaust system
Technical characteristics of the exhaust system
Fuel vapor and crankcase gas collection system
Exhaust gas recirculation system
Exhaust manifold
Device, removal and installation of turbocharger
Intercooler
Exhaust gas exhaust system
Catalytic converter
Ignition system
Technical characteristics of the ignition system
Ignition system device
Checking the ignition system
Ignition coil
Ignition distributor
Adjusting the ignition timing angle
Ignition system sensors
Ignition distributor runner
Ignition system (6-cylinder engines 2.6 and 2.8 l)
Technical characteristics of the pre-heating system
Glow plugs of the pre-heating system
Transmission
Clutch
Clutch specifications
Bleeding the hydraulic system of the clutch release drive
Clutch adjustment
Clutch pedal
Clutch release master cylinder
Clutch release slave cylinder
Clutch disc and housing
Release bearing and lever
Clutch faults
Manual transmission
Gear shift mechanism device
Technical characteristics of mechanical transmission
Adjusting the gear shift mechanism
Removal and installation of manual transmission
Multi-function switch and reversing light switch
Speedometer sensor
Replacing the seals of the manual transmission
Visual repair of gearbox 012
Automatic transmission
Automatic transmission specifications
Removal and installation of automatic transmission
Gear Shift Lever Cable
Visual repair of gearbox 097
Drive shafts
Technical characteristics of drive shafts
Removing and installing axle shafts
Replacing axle shaft boots
Half shaft repair
Chassis
Brake system
Technical characteristics of the brake system
Bleeding the hydraulic system
Hydraulic tubes and hoses
Front brake linings
Rear wheel brake pads
Rear brake pads
Front wheel brake disc
Rear wheel brake disc
Rear brake drum
Front brake caliper
Rear brake caliper
Rear brake wheel cylinder
Master brake cylinder
Brake pedal
Vacuum booster
Vacuum valve of servo amplifier
Handbrake cable
Handbrake lever
Rear brake pressure control valve (before 1996)
Brake light switch
General description of the anti-lock braking system (ABS)
Elements of the ABS system
Vacuum pump (2.3L diesel and petrol engines)
Front suspension
Front wheel hub bearings
Front suspension strut
Front suspension shock absorbers
Lower control arm of the front suspension
Front suspension anti-roll bar
Front suspension cross member
Rear suspension
Rear wheel hub
Rear wheel hub bearings
Rear wheel axle
Rear suspension strut
Rear suspension tie rod
Rear suspension anti-roll bar
Rear suspension cross member
Rear suspension height adjustment system
Elements of the rear suspension height adjustment system
Steering
Steering and suspension specifications
General description of wheel adjustment
Steering wheel
Steering column
Ignition switch/steering column lock
Steering gear
Steering gear dust boots
Power steering system
Power Steering System Pump
Ball joint of steering rod
Steering rod
Body
Exterior (external elements)
Tightening torques for threaded connections, Nm
Body maintenance and repair
Front bumper
Rear bumper
Removing and installing the hood
Hood release cable
Hood lock
Removing and installing doors
Glass and window lifter
Trunk lid
Trunk lid lock elements
Back door
Elements of the central lock
Electric window lift components
Rear view mirrors and related components
Interior (internal elements)
Interior door trim panel
Window door frame
Door handle and lock elements
Rear door lock components
Upper hatch
External body trim elements
Removing and installing seats
Front seat belt tensioner mechanism
Elements of seat belts
Interior trim panels
Central console
Instrument panel
Elements of the heating and ventilation system
Electrical equipment
Power devices
Technical characteristics of the starting and charging system
Description of electrical equipment and safety precautions
Checking and charging the battery
Removing and installing the battery
Generator/battery charging system
Generator malfunctions
Replacing the brush holder and generator voltage regulator
Checking the engine starting system
Removing and installing the starter
Lighting and appliances
Technical characteristics of electrical appliances
Finding the source of a fault in an electrical system
Fuses and relays
Removing and installing switches
Replacing external lighting lamps
Replacing interior lighting bulbs
External lighting fixtures
Headlight adjustment
Instrument cluster
Removing and installing lighters
Horns of the sound signal
Windscreen wiper arms
Windshield wiper motor, coupling mechanism
Rear Window Wiper Motor (Wagon)
Windscreen washer system components
Elements of the audio system
Removing and installing speakers
Removing and installing the radio antenna
Cruise control system components
Anti-theft alarm system
Airbag system
Elements of the airbag system
Electrical circuits
Conventional symbols on electrical circuits
Engine starting, battery charging and horn systems
Radiator cooling fan and heater fan
Diesel engine control system
Engine management system Monomotronic
Engine management system KE-Motronic
KE III Jetronic engine management system
Signal lights and instruments
External lighting wiring diagrams
Interior lighting, rear window defroster and lighters
Windscreen wipers/washers and rear view mirror drive
Central locking and audio system
Electrical diagram of window lifters
Audi A6 C5
(1997-2004)
General information
User manual
Introduction to the Audi A6 manual
Controls and instruments
Instruments and control lamps
Control lamps
Electric windows
Lift and slide roof panel
Light and visibility
Interior lighting
Visibility
Wiper blade
Rear view mirrors
Seats and niches
Recaro sports seat
Seat position storage device
Driver Information System (FIS)
Driver information system with FIS and on-board computer
System of symbols and signals
On-board computer
Tire pressure monitoring system
Car keys
Centrally controlled locking system
Unlocking and locking the car
Headrests
Trunk
Roof rack
Cup holders
Ashtrays
Cigarette lighter and sockets
Niches
Air conditioner
Autonomous heater and fan
Movement
Ignition switch
Parking brake
Acoustic parking assistance
Speed control system
Automatic transmission
Multitronic wedge chain variator
Multifunctional steering wheel
Seat belts
Airbag system
Electronic Stability Program (ESP)
Electronic Differential Lock (EDS)
Automatic Drive Unit (ASU)
Braking
Movement and environment
Economically and environmentally optimal driving
Removable towing hitch
Refueling a car
Hood
Towing
Vehicle parameters
Maintenance
Technical data
Technical maintenance
Maintenance frequency
Resetting the Service Indicator
Oil change service
Maintenance schedule
Oil and oil filter change
Draining engine oil
Finding Oil Leaks
Checking the oil level and filling
Checking the exhaust system
Checking the tightness of the cooling system
Checking hoses for leaks and searching for fluid leaks
Checking and filling the coolant
Fuel filter for TDI diesel engines
Air filter
Checking the condition of the poly V-belt
Toothed belt
Checking the crankcase pressure on a 2.5-I-TDI engine
Spark plugs
Gearbox/ final drive
Checking the drive shaft protective cover
Checking the front suspension and steering
Checking the Power Steering Fluid Level
Checking the shock absorber
Radiator check
Checking the electrical wiring
Brake fluid
Checking the condition of seat belts
Dust and pollen filters
Door hinges
Replacing the battery in the remote control key
Windscreen wiper blades
Windscreen washers
Checking the level and density of electrolyte in the battery
Charging the battery
Power unit
Engine repair
Technical data
General information
Lower engine compartment splash guard
Toothed belt
Cylinder head — 1.8-I engine (125/150 hp)
Removing and installing the timing belt — Diesel engine 1.9-I-TDI
Removing and installing the cylinder head (diesel engine 1.9-I-TDI)
Removing and installing the timing belt on V6 2.4- and 2.8-I petrol engines
Removal and installation of cylinder head of petrol engines V6 2.4- and 2.8-I
Removing and installing the timing belt (V6 2.5-I-TDI engine)
Removing and installing the cylinder head on a V6 2.5-I-TDI engine
Checking hydraulic valve lifters
Compression check
Removing and installing a poly V-belt
V-belt
Engine lubrication system
Motor oil for AUDI A6
Engine oil circuit
Oil consumption
Checking oil pressure and oil pressure sensor
Removing and installing the oil pan
Engine fault diagnostics
Main faults of the lubrication system
Cooling system
General information
Checking the cooling system
Cooling liquid
Coolant mixture composition
Replacing the coolant
Thermostat
Radiator
Water pump
Diagnostics of engine cooling system faults
Fuel system
General information
Fuel pump/fuel level sensor
Fuel filter
Accelerator cable
Checking the fuel pump control circuit
Checking the fuel pump
Checking the fuel pump relay
Engine management
Technical data of engine management systems
General information
Checking and adjusting idle speed, ignition timing and CO content
Ignition system
Spark plugs
Checking the ignition and fuel injection system
Diagnostics of injection device faults
Fuel system (diesel)
General information
How a diesel engine works
Functioning of the fuel injection system
Fuel heating device
Glow plugs
Nozzles
Main faults of diesel engine control system
Exhaust system
General information
Catalytic converter
Exhaust gas exhaust system
Replacement of middle/rear mufflers
Checking the exhaust system
Lambda sensor
Transmission
Clutch
General information
Clutch drive disc
Bleeding the hydraulic clutch drive
Removing air by pumping under pressure
Main clutch faults
Car gearbox
General information
Transmission
Repair of manual transmission
Special automatic transmission (4-cylinder engine)
Adjusting the gear shift mechanism
Chassis
Front suspension
General information
Shock absorber strut
Disassembly and assembly of the shock absorber strut
Removing and installing the drive shaft
Disassembly and assembly of the drive shaft
Plastic protective case
Rear suspension
General information
Unscrewing the upper shock absorber mount
Removing and installing the shock absorber and spring
Removing and installing rear wheel bearings/hubs
Shock absorber strut for all-wheel drive vehicles
Repair of shock absorber strut
Checking the shock absorber
Shock absorber disposal
Steering
General information
Steering wheel airbag
Steering wheel 4-spoke steering wheel
The airbag
Steering rods
Bleeding the hydraulic steering system
Installing a Power Steering Pump
Front wheel alignment angles
Wheels and tires
General information
Construction and marking of tires
Wheel balancing
Checking the valve
Wheel rotation
Wheel replacement
Lifting a car
Brake system
Technical data
General information
Replacing the front brake pads
Replacing rear brake pads
Checking the thickness of the brake disc
Brake disc
Brake fluid
Bleeding the hydraulic brake system
Brake hoses
Brake light switch
Checking the brake booster
Parking brake lever
Adjusting the parking brake
Parking brake cable
Brake fault diagnostics
Body
Exterior
General information
Car wash
Car care
Body damage repair
Installing the front cross panel in the service position
Front bumper
Rear bumper
Front wing
Front wheel well trim
Rear wheel well trim
Hood
Adjusting the hood position
Hood release cable
Radiator grille and bonnet latch catch
Trunk lid
Adjusting the position of the locking pin
Adjusting the position of the trunk lid on AVANT vehicles
Trunk lid lock
Front door/front door frame
Adjusting the position of the front door
Door frame adjustment
Checking the door frame adjustment
Front door glass
Front door window lifts
Window lift motor
Front door trim
Door lock
Door handle plug
Door handle
Central lock
Remote control fuel tank flap
Remote control of the trunk lid
Sliding sunroof plugs
Sliding sunroof
Sliding sunroof seals
Checking and adjusting the initial position of the sliding sunroof
Checking/cleaning water drainage hoses
Mechanism for adjusting the position of the outside rearview mirror
Glass of the outside rear view mirror
Outside rear view mirror housing
Side body trim
Lower door trim
Interior
Interior rear view mirror
Automatic dimming interior rearview mirror
Glove box
Driver's side storage shelf
Central console
Parking brake lever cover
Middle armrest
Front center console
Shelf for drinks and small items
Front ashtray
Ashtray plug
Upper trim of the front pillar
Front lower side trim
Threshold trim
Upper trim of the rear pillar and trunk pillar
Upper trim of the middle pillar
Lower trim of the middle pillar
Trunk lid trim
Trunk lid trim AVANT
Side trim in the trunk
Front seat
Back seat
Backrest of the rear seat
Electrical equipment
Air conditioner
General information
Air supply nozzles
Air Conditioner Control Panel
Heating switches
Heater fan
Sensor of temperature of air supplied to the car interior
Heater flap actuator motor
Air conditioning compressor bracket
Equipment and devices
General information
Electrical circuits
Fuses
Automatic protection devices
The rechargeable battery
Generator
Checking the generator's performance
Replacing the generator brushes and voltage regulator
Starter
Starter solenoid relay
Replacing external lighting lamps
Low beam headlight bulb
High beam headlight bulb
Front parking light bulb
Front turn signal lamp
Side turn signal repeater lamp
Fog light bulb
Tail light bulbs
Rear fog light
License plate light
Additional brake light
Indoor lighting lamp
Reading lights
External lighting devices: headlight
Repair of the upper mounting plate of the headlight
Headlight range control actuator motor
Headlight adjustment
Gas discharge lamps for low beam headlights
Rear light
Instrument cluster
Multi-function steering column switches
Switches
Light switch and headlight corrector
Center console switches
Glove box light switch
Mirror position adjustment switch
Radio receiver
Front door speakers
High frequency loudspeaker
Compact Disc Player (CD Changer)
Antenna
Installing an additional antenna
Speech free microphone
Outdoor antenna
Checking the rear window defroster
Windshield washer nozzle
Windscreen wiper arms
Windshield wiper motor
Rear window wiper arm
Rear window wiper motor
Main faults of the starter
Electrical circuits
Electrical connection diagram with the housing
Electrical diagram of battery, starter, three-phase generator and other
Electrical diagram of the control unit Motronic, valve injectors, ignition coils and other
Electrical diagram of the Motronic control unit, knock sensors, throttle control unit, engine speed sensor
Electrical diagram of the control unit Motronic, automatic transmission control unit, Hall sensor
Electrical diagram of the Motronic control unit, fuel pump relay, lambda probe, electromagnetic valve of the activated carbon tank device
Electrical diagram of the Motronic control unit, air mass meter, valve for adjusting the camshaft and other
Electrical diagram of the fuel level control sensor, fuel pump, cooling system of cars
Electrical diagram of the instrument cluster display, control indicators, combined display processor of cars
Wiring diagram of the instrument cluster display, combined display processor, analog clock, speed meter
Wiring diagram of the instrument cluster display, combined display processor, control indicators, brake pad control indicators
Wiring diagram for instrument cluster display, display combination processor, trip mileage fuse check coil, etc
Wiring diagram of ignition switch and compensation relay for X-contact
Wiring diagram for light switch, gear shift on steering column left, fog light switch
Electrical diagram of the light switch regulator and instrument panel, light range regulator
Warning Light Switch Wiring Diagram
Electrical diagram of windshield washer and wiper, heated windshield washer sprayers
Wiring diagram for fuse holder, license plate lamp, glove box lamp, fog lamp
Wiring diagram of fuse holder, headlights of cars
Wiring diagram for fuse holder and brake light switch
Wiring diagram of fuse holder, siren, cigarette lighter front and rear
Wiring diagram for tail light, brake light, rear turn signals, rear fog lights, power socket
Wiring diagram for radio cabling
Electrical diagram of the car heating system
Electrical diagram of heated rear window, ambient air temperature indicator, gearshift lever position indicator
Electrical diagram of battery, starter, three-phase generator, start blocking relay
Electrical diagram of the Motronic control unit, valve injectors, Hall sensor, coolant temperature sensor, knock sensor
Electrical diagram of the Motronic control unit, distribution valve, air mass meter, knock sensor 2, speed sensor
Electrical diagram of the Motronic control unit and the throttle control unit
Electrical diagram of the control unit Motronic, fuel pump relay, fuel pump, fuel level sensor
Electrical diagram of high voltage circuit, ignition coil, spark plugs
Electrical diagram of reverse light, engine cooling system
Wiring diagram for instrument cluster display, trip meter fuse control coil, cooling system and oil pressure monitoring
Electrical diagram of the battery, starter, three-phase generator, starter blocking relay and rear light
Electrical diagram of glow plugs, relay for glow plugs, reverse light
Electrical diagram of the control unit of the direct injection device of diesel, relay of the direct injection device of diesel, fuse other
Electrical diagram of the control unit of the direct diesel injection device, the fuel pedal position sensor, the brake light switch
Electrical diagram of the control unit of the direct injection device of diesel, relay of additional heating, fuses for additional heating
Electrical diagram of the control unit of the direct diesel injection device, speed control device, engine speed sensors, coolant temperature
Wiring diagram of the instrument cluster display, control lamps, speedometer with sensor, fuel level indicator, oil temperature indicator
Electrical diagram of the engine cooling system
Audi A6 C5 Allroad
(1999-2005)
General information
User manual
General information about Audi A6 Allroad cars
Vehicle controls
Central console
Car keys
Central lock
Security alarm
Cars with automatic windows
Rear view mirrors
Front seats with manual adjustment
Automatically adjustable front seats
Memorizing the seat position
Steering column with manual position adjustment
Parking brake
Using the pedals
Manual transmission
5-speed automatic transmission
Automatic transmission control lever locks
Recommendations for driving a car
Ignition switch
Instrument panel
Signal lights
On-board computer
Tire pressure monitoring system
Engine Identification
Switches on the instrument panel
Steering wheel mounted headlight switch and turn signal switch
Cruise control (depending on equipment)
Windscreen wiper and washer switch under the steering wheel
Air vents for the passenger compartment
Air Conditioner Control
Engine compartment of a car
Maintenance
Car care
Starting the engine using an auxiliary battery
Towing a car
Towing for the purpose of starting the engine of the towed vehicle
Jacking up a car
Maintenance intervals
Maintenance — Work Plan
Engine Oil — Checking Level and Changing
Oil filter — removal and installation
Replacement Air Filter Element — Replacement
Fuel filter (diesel engine) — condensate drain
Transmission Oil — Checking Level
Coolant — Checking the Level
Power Steering — Checking Oil Level and Filling
Front suspension and steering
Brake fluid — checking level and replacement
Brake Pad Thickness — Checking
Brake lines — check
Spark plugs — removal and installation
Body and interior equipment
Maintenance of electrical equipment
Exhaust system — visual inspection
Wheels and tires — check
Troubleshooting
Identifying and troubleshooting engine faults
Identifying and troubleshooting engine lubrication system faults
Identifying and troubleshooting engine cooling system faults
Identifying and troubleshooting gasoline injection system faults
Identifying and troubleshooting diesel engine fuel system faults
Identifying and troubleshooting brake system faults
Identifying and troubleshooting battery problems
Identifying and troubleshooting clutch problems
List of starter faults and their elimination
Identifying and troubleshooting generator faults
Identifying and troubleshooting windshield wiper problems
Power unit
V6 petrol engines
General information about V6 petrol engines
Timing belt drive of the gas distribution mechanism — design description
Timing Belt — Removal and Installation
V-ribbed auxiliary drive belt — design description
V-ribbed auxiliary drive belt — removal and installation
Cylinder head — design description
Cylinder head — removal and installation
Compression in cylinders — check
V8 petrol engines
General information about V8 petrol engines
Gas distribution mechanism drive chain — design description
Timing chain — removal and installation
Camshaft Drive Chains — Removal and Installation
Auxiliary Unit Drive — Design Description
Accessory Drive Chain — Removal and Installation
Generator Drive — Design Description
V-ribbed alternator drive belt — removal and installation
Valve mechanism and valve — design description
Camshafts — Removal and Installation
Cylinder head — design description
Cylinder head — removal and installation
Engine — removal and installation
Compression in cylinders — check
Oil pump — design description
Oil pump — removal and installation
Oil pan — design description
Oil pan — removal and installation
Oil radiator — removal and installation
Diesel engines
General information about diesel engines
Crankshaft — design description
Timing drive — design description
Timing Belt — Removal and Installation
Auxiliary Unit Drive — Design Description
V-ribbed auxiliary drive belt — removal and installation
Cylinder head — design description
Cylinder head — removal and installation
Valve mechanism and valve — design description
Camshafts — Removal and Installation
Engine piston and connecting rod — design description
Engine — removal and installation
Compression in cylinders — check
Oil pump and power steering pump bracket — design description
Oil pump and power steering pump bracket — removal and installation
Oil pump — removal and installation
Oil radiator — removal and installation
Oil pan — design description
Oil pan — removal and installation
Cooling and heating system
Engine cooling system — design description
Coolant — draining and filling
Water pump — design description
Water pump — removal and installation
Thermostat — Removal, Installation and Checking
Radiator — removal and installation
Additional radiator — removal and installation
Radiator Blower Fan — Removal and Installation
Charge Air Cooling Radiator (Intercooler) — Design Description
Charge Air Cooling Radiator (Intercooler) — Removal and Installation
Heater and air conditioner — general information
Injection system (gasoline)
General information and precautions
Sensors and actuators of the injection system
Intake manifold and related components
Intake manifold — removal and installation
Fuel rail and related components
Fuel rail — removal and installation
Engine Control Unit — Removal and Installation
Injection system — check
Fuel system (diesel)
General information about the fuel system of diesel engines
How a diesel engine works
Sensors and actuators for diesel engine power supply
Operation of a diesel engine in winter conditions
High pressure fuel pump (HPFP) — removal and installation
Intake manifold — removal and installation
Fuel injectors — removal and installation
Engine Control Unit — Removal and Installation
Glow Plugs — Removal and Installation
Supply system
General information and precautions
Fuel tank — design description
Fuel tank — removal and installation
Fuel tank filler neck — design description
Fuel tank filler neck — removal and installation
Fuel pump — design description
Fuel lift/fuel pump — removal and installation
Jet pump — design description
Jet pump — removal and installation
Fuel filter — design description
Fuel filter — removal and installation
Exhaust system
General information about the exhaust system
Exhaust system — vehicles with petrol engine
Exhaust system — diesel vehicles
Operating principle of the catalyst
EGR system components
Afterburner system components
Exhaust gas turbocharger
Intake pipe — removal and installation
Exhaust system — fitting
Exhaust manifold — design description
Exhaust manifold — removal and installation
Turbocharger — design description
Turbocharger — removal and installation
Exhaust system — leak test
Ignition system
General information about the ignition system
Spark plugs — description and condition check
Ignition and fuel injection system — general check
Ignition switch — removal and installation
Ignition Switch — Removal and Installation
Transmission
Clutch
General description of the clutch
Main components of the clutch
Clutch release parts
Clutch pedal and master cylinder
Clutch hydraulic drive components
Clutch — removal, installation and inspection
Clutch Master Cylinder — Removal and Installation
Clutch slave cylinder — removal and installation
Clutch Drive — Bleeding
Mechanical gearbox
Gearbox — General Information
Gearbox — removal and installation
Cardan shaft — removal and installation
Speedometer sensor — removal and installation
Gearbox — Checking and filling transmission fluid
Automatic gearbox
General information about automatic transmission
Automatic transmission — removal and installation
Gearbox control mechanism — design description
Gearbox control mechanism — removal and installation
Cardan shaft elements
Cardan shaft — removal and installation
Checking the transmission fluid level and filling
Chassis
Brake system
General information about the brake system
ABS/ESP Bosch 5.7 Elements and Their Location
ABS/ESP Bosch 5.3 Elements and Their Location
Front Wheel Brake Mechanism with FN-3 Caliper — Design Description
Front brake pads with caliper FN-3 — removal and installation
Front disc brake mechanism with FNR-G60 caliper
Front Brake Pads with Caliper FNR-G60 — Removal and Installation
Aluminum caliper HP-2 front wheel with two pistons
Front wheel brake mechanism with HP-2 caliper — removal and installation
Front disc brakes with Brembo caliper
Front Brake Pads with Brembo Caliper — Removal and Installation
Rear wheel brake mechanism with C38 caliper
Rear brake pads with caliper C38 — removal and installation
Rear wheel brake mechanism with C43 caliper
Rear brake pads with caliper C43 — removal and installation
Brake caliper FN3 — design description
Brake caliper FNR-G60 — design description
Brake caliper HP2 — design description
Brembo 18 Brake Caliper — Design Description
Brake caliper C38/C43 — design description
Brake caliper — overhaul
Brake master cylinder and brake booster
Master Brake Cylinder — Removal and Installation
Brake booster vacuum — removal and installation
Parking brake lever — removal and installation
Parking brake cables — removal and installation
Car suspension
Main elements of the front suspension
Front suspension — general information
Fastening the subframe cross brace
Front suspension parts
Shock absorber strut with air spring — removal and installation
Carrying arm — removal and installation
The support arm and its associated components
Guide lever — removal and installation
Steering knuckle and associated suspension components
Steering knuckle — removal and installation
Drive shaft and CV joints — design description
Drive shaft — removal and installation
Rear suspension — design description
Rear suspension — general information
Steering
Steering — General Information
Power steering mechanism — design description
Steering wheel — removal and installation
Steering column — design description
Steering column — removal and installation
Body
Body elements
Car body — general information
Safety rules for bodywork
Drying of paint coating
Fastening and protection elements of the engine compartment
Engine Mudguard — Removal and Installation
Upper front cross member — installation in service position
Front bumper — removal and installation
Rear bumper — removal and installation
Front mudguards — removal and installation
Rear mudguard — removal and installation
Front wing — removal and installation
Hood — removal, installation and fitting
Radiator grille — removal and installation
Instrument panel — removal and installation