Vehicle maintenance Audi A4 B6
Routine care and maintenance
This Chapter has been compiled to help the amateur mechanic maintain his vehicle in a state of maximum performance, economy, safety and reliability. Later in...
This Chapter has been compiled to help the amateur mechanic maintain his vehicle in a state of maximum performance, economy, safety and reliability. Later in...
Component specifications and filling volumes
Use materials recommended by the manufacturer, this is a condition for fulfilling warranty obligations. Engine oil Characteristic Meaning For flexible service...
Use materials recommended by the manufacturer, this is a condition for fulfilling warranty obligations. Engine oil Characteristic Meaning For flexible service...
Maintenance due date indicator
Service intervals are displayed on the digital display located on the instrument panel for 5 seconds after the ignition is turned on. Thanks to the use of a...
Service intervals are displayed on the digital display located on the instrument panel for 5 seconds after the ignition is turned on. Thanks to the use of a...
Schedule of current maintenance
The suggested guidelines assume that the vehicle is serviced by the owner, as opposed to having the vehicle serviced by a dealership. Although this schedule is...
The suggested guidelines assume that the vehicle is serviced by the owner, as opposed to having the vehicle serviced by a dealership. Although this schedule is...
General information about the setup
The term "setup" is used in this manual to refer to a set of procedures rather than to a single procedure. If the routine maintenance schedule is strictly...
The term "setup" is used in this manual to refer to a set of procedures rather than to a single procedure. If the routine maintenance schedule is strictly...
Checking fluid levels, leak control
Warning: The procedures for checking fluid levels every 1000 km run, monthly, and before each long-distance trip are described below. Other fluid level checks...
Warning: The procedures for checking fluid levels every 1000 km run, monthly, and before each long-distance trip are described below. Other fluid level checks...
Checking the condition of tires and pressure in them. Designation of tires and wheel disks. Rotation and replacement of wheels
Depending on the model and equipment, tires and wheels of different sizes may be installed. The wheels have a pressing depth of 38 mm. The pressing depth is...
Depending on the model and equipment, tires and wheels of different sizes may be installed. The wheels have a pressing depth of 38 mm. The pressing depth is...
Changing engine oil and oil filter
Warning: Prolonged skin contact with used engine oil is quite dangerous. Use barrier cream and wear gloves during this procedure. Change oil-soaked clothing...
Warning: Prolonged skin contact with used engine oil is quite dangerous. Use barrier cream and wear gloves during this procedure. Change oil-soaked clothing...
Checking the brake system. Adjusting the parking brake
Warning: Dust from lining wear that collects on brake components may contain asbestos, which is hazardous to health. Do not blow out this dust with compressed...
Warning: Dust from lining wear that collects on brake components may contain asbestos, which is hazardous to health. Do not blow out this dust with compressed...
Checking the fuel system
Warning: Gasoline is highly flammable, so special precautions should be taken when working with any components of the fuel system. Do not smoke, and do not...
Warning: Gasoline is highly flammable, so special precautions should be taken when working with any components of the fuel system. Do not smoke, and do not...
Checking the condition and replacing engine compartment hoses, localizing leaks
Warning: The air conditioning system hoses must be replaced at the service station of the representative office or in a specialized workshop where there is...
Warning: The air conditioning system hoses must be replaced at the service station of the representative office or in a specialized workshop where there is...
Checking the condition of the ribbed belts of the serpentine drive of auxiliary units
Wear of the edges of the ribbed belt Transverse cracks D on the back side of the belt and delamination of the ribs E of the ribbed belt Fraying of the side...
Wear of the edges of the ribbed belt Transverse cracks D on the back side of the belt and delamination of the ribs E of the ribbed belt Fraying of the side...
Checking the functioning of the cooling system and frost resistance of the coolant
Please also refer to the materials of the Section Checking the condition and replacing engine compartment hoses, localizing leaks . 1. Many serious engine...
Please also refer to the materials of the Section Checking the condition and replacing engine compartment hoses, localizing leaks . 1. Many serious engine...
Checking the condition of the exhaust system
1. The check should be done with a cold engine, so it is best to do it before the first trip of the day or no earlier than three hours after turning off the...
1. The check should be done with a cold engine, so it is best to do it before the first trip of the day or no earlier than three hours after turning off the...
Checking the Automatic Transmission Oil Level
1. The fluid level in the automatic transmission is measured with the engine and gearbox warmed up. To warm up the power unit to the required temperature, you...
1. The fluid level in the automatic transmission is measured with the engine and gearbox warmed up. To warm up the power unit to the required temperature, you...
Visual inspection of gearbox and final drive for leaks, checking oil level and adding oil
To locate leaks: 1. Diesel engine: remove the lower engine cover, refer to Section Removal and installation the upper engine cover/lower engine compartment...
To locate leaks: 1. Diesel engine: remove the lower engine cover, refer to Section Removal and installation the upper engine cover/lower engine compartment...
Checking the condition of suspension and steering components
Warning: Worn or damaged suspension and steering components can cause excessive and dangerous tire wear, poor ride and handling characteristics, and increased...
Warning: Worn or damaged suspension and steering components can cause excessive and dangerous tire wear, poor ride and handling characteristics, and increased...
Checking the condition of the protective covers of the drive shafts
1. Protective covers of drive shafts are very important elements, as they protect constant velocity joints (CV joints) from dirt, water and other foreign...
1. Protective covers of drive shafts are very important elements, as they protect constant velocity joints (CV joints) from dirt, water and other foreign...
Checking the power steering fluid level
Check the power steering fluid level periodically to avoid vehicle handling problems such as damage to the steering pump. The oil level must be checked when...
Check the power steering fluid level periodically to avoid vehicle handling problems such as damage to the steering pump. The oil level must be checked when...
Checking the air conditioning system
Caution: The air conditioning system is under high pressure. Do not attempt to loosen any connections or remove system parts without first discharging the...
Caution: The air conditioning system is under high pressure. Do not attempt to loosen any connections or remove system parts without first discharging the...
Lubrication of door stops, lock cylinders, hood hook, sliding sunroof panel
1. Lubricate the bonnet hook only at the points shown by arrows in the accompanying illustration with AUDI-G 052 778 A2 grease. Lubrication of the door limiter...
1. Lubricate the bonnet hook only at the points shown by arrows in the accompanying illustration with AUDI-G 052 778 A2 grease. Lubrication of the door limiter...
Visual inspection of the seat belt and airbag unit
1. Pull out the seat belt completely and check the webbing for damaged threads. 2. Damage may be caused by, for example, a pinched belt or exposure to a...
1. Pull out the seat belt completely and check the webbing for damaged threads. 2. Damage may be caused by, for example, a pinched belt or exposure to a...
Checking the functionality of headlights and horn
1. Turn on the ignition and check the functionality of all external lighting devices. 2. With the help of an assistant or by backing the car up to a wall,...
1. Turn on the ignition and check the functionality of all external lighting devices. 2. With the help of an assistant or by backing the car up to a wall,...
Checking the condition, adjusting and replacing windshield wiper blades
Please also refer to Section Replacing the rubber bands of the windshield wiper blades . Over time, road film builds up on windshield wiper blades, reducing...
Please also refer to Section Replacing the rubber bands of the windshield wiper blades . Over time, road film builds up on windshield wiper blades, reducing...
Checking battery condition, care and charging
Please also refer to the materials of the Chapter Engine electrical systems . The battery is located in the water collection compartment, between the engine...
Please also refer to the materials of the Chapter Engine electrical systems . The battery is located in the water collection compartment, between the engine...
Replacing the emergency power supply battery of the Telematik system
Every four years, the emergency power supply battery must be replaced in vehicles with the Telematics system. The Telematik control unit is located in the...
Every four years, the emergency power supply battery must be replaced in vehicles with the Telematics system. The Telematik control unit is located in the...
Replacing the cabin air filter element / carbon air filter
Replacement is carried out in accordance with Schedule of current maintenance . Warning: The filter element is available both with and without an insert of...
Replacement is carried out in accordance with Schedule of current maintenance . Warning: The filter element is available both with and without an insert of...
Replacing brake fluid
To carry out the work you will need: Open-end wrench for unscrewing the air bleed nipple. Transparent plastic hose with an internal diameter of 6 mm and a...
To carry out the work you will need: Open-end wrench for unscrewing the air bleed nipple. Transparent plastic hose with an internal diameter of 6 mm and a...
Checking and replacing spark plugs. Checking the condition of high-voltage wires
Please also refer to Section Spark plugs . Caution: Replace spark plugs only when the engine is cold or slightly warm. If the spark plugs are removed when the...
Please also refer to Section Spark plugs . Caution: Replace spark plugs only when the engine is cold or slightly warm. If the spark plugs are removed when the...
Replacing the engine air filter element
1. If there is a cover (A), remove it. 2. Remove the air intake channel (A) upwards. To do this, remove the bar (1), if present, from the petrol vapour...
1. If there is a cover (A), remove it. 2. Remove the air intake channel (A) upwards. To do this, remove the bar (1), if present, from the petrol vapour...
Replacing the fuel filter
Warning: Gasoline and diesel fuel are highly flammable, so special precautions must be taken when working with any fuel system components. Do not smoke or...
Warning: Gasoline and diesel fuel are highly flammable, so special precautions must be taken when working with any fuel system components. Do not smoke or...
Checking the condition and tension of the toothed belt
The 2.5 l diesel engine has 2 toothed belts, respectively for driving the camshafts and the high-pressure fuel pump. Visual inspection of condition 1. Remove...
The 2.5 l diesel engine has 2 toothed belts, respectively for driving the camshafts and the high-pressure fuel pump. Visual inspection of condition 1. Remove...
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