Car engine repair Audi A6 C5
General information
AUDI A6 cars are equipped with four-, six- and eight-cylinder engines. On four-cylinder engines, the cylinders are arranged in a row, and on six-cylinder...
AUDI A6 cars are equipped with four-, six- and eight-cylinder engines. On four-cylinder engines, the cylinders are arranged in a row, and on six-cylinder...
Lower engine compartment splash guard
Removal Raise the vehicle and secure it on stands. Unscrew the lower screws A (Fig. 2.4) securing the engine compartment mudguard. Unscrew screws B (Fig. 2.4)...
Removal Raise the vehicle and secure it on stands. Unscrew the lower screws A (Fig. 2.4) securing the engine compartment mudguard. Unscrew screws B (Fig. 2.4)...
Toothed belt
Engine 1.8-I/125 hp. The 1.8-1/125 HP engine is equipped with a thermal timing belt tension roller, which ensures constant timing belt tension regardless of...
Engine 1.8-I/125 hp. The 1.8-1/125 HP engine is equipped with a thermal timing belt tension roller, which ensures constant timing belt tension regardless of...
Cylinder head — 1.8-I engine (125/150 hp)
Remove the cylinder head on a cold engine. Remove the cylinder head together with the exhaust manifold. In this case, the intake manifold must first be removed...
Remove the cylinder head on a cold engine. Remove the cylinder head together with the exhaust manifold. In this case, the intake manifold must first be removed...
Removal and installation the timing belt — Diesel engine 1.9-I-TDI
Engine 1.9-I-TDI-110 hp. All operations for removing and installing a timing belt on a diesel engine (1.9-I-TDI-110 hp) similar to the operations for removing...
Engine 1.9-I-TDI-110 hp. All operations for removing and installing a timing belt on a diesel engine (1.9-I-TDI-110 hp) similar to the operations for removing...
Removal and installation the cylinder head (diesel engine 1.9-I-TDI)
This section contains only the operations related to the 110 hp engine. Special instructions for the 115/130 hp engines are given at the end of the section....
This section contains only the operations related to the 110 hp engine. Special instructions for the 115/130 hp engines are given at the end of the section....
Removal and installation the timing belt on V6 2.4- and 2.8-I petrol engines
All operations and instructions for removing and installing the timing belt are similar to the operations for removing and installing the timing belt on 1.8-I...
All operations and instructions for removing and installing the timing belt are similar to the operations for removing and installing the timing belt on 1.8-I...
Removal and installation of cylinder head of petrol engines V6 2.4- and 2.8-I
Operations concerning all engines are given in the section describing petrol engines 1.8-I (125/ 150 hp). This section contains only the operations and...
Operations concerning all engines are given in the section describing petrol engines 1.8-I (125/ 150 hp). This section contains only the operations and...
Removal and installation the timing belt (V6 2.5-I-TDI engine)
All operations and instructions for removing and installing the timing belt are similar to the operations for removing and installing the timing belt on 1.8-I...
All operations and instructions for removing and installing the timing belt are similar to the operations for removing and installing the timing belt on 1.8-I...
Removal and installation the cylinder head on a V6 2.5-I-TDI engine
All operations and instructions for removing and installing the cylinder head are similar to the operations for removing and installing the cylinder head on...
All operations and instructions for removing and installing the cylinder head are similar to the operations for removing and installing the cylinder head on...
Checking hydraulic valve lifters
Setting the valve clearances correctly is very important because they largely determine the performance of the engine. If the valve clearances are too large,...
Setting the valve clearances correctly is very important because they largely determine the performance of the engine. If the valve clearances are too large,...
Compression check
Compression testing allows you to determine the condition of the engine, as well as establish the condition of the valves or pistons (piston rings), or their...
Compression testing allows you to determine the condition of the engine, as well as establish the condition of the valves or pistons (piston rings), or their...
Removal and installation a poly V-belt
The poly V-belt is wider than a regular V-belt and has several longitudinal grooves. The poly V-belt drives such units as the generator, power steering pump,...
The poly V-belt is wider than a regular V-belt and has several longitudinal grooves. The poly V-belt drives such units as the generator, power steering pump,...
V-belt
The V-belt is used to drive the water pump. Removal When reinstalling the belt, use a marker or paint to mark the direction of belt rotation with an arrow....
The V-belt is used to drive the water pump. Removal When reinstalling the belt, use a marker or paint to mark the direction of belt rotation with an arrow....
Engine lubrication system
Oil viscosity Viscosity characterizes the fluidity of the oil. Depending on the temperature, the oil tends to decrease in fluidity. As the temperature...
Oil viscosity Viscosity characterizes the fluidity of the oil. Depending on the temperature, the oil tends to decrease in fluidity. As the temperature...
Motor oil for AUDI A6
VW/AUDI has set its own oil standards for its models. In principle, only oils that comply with these standards should be used. The VW/AUDI standard is...
VW/AUDI has set its own oil standards for its models. In principle, only oils that comply with these standards should be used. The VW/AUDI standard is...
Engine oil circuit
The engine is lubricated under pressure. The oil pump takes oil from the oil pan through a mesh filter and delivers it under pressure through a fine oil...
The engine is lubricated under pressure. The oil pump takes oil from the oil pan through a mesh filter and delivers it under pressure through a fine oil...
Oil consumption
Oil consumption is the amount of oil required to ensure the combustion process of the fuel-air mixture. Oil consumption does not include oil losses due to...
Oil consumption is the amount of oil required to ensure the combustion process of the fuel-air mixture. Oil consumption does not include oil losses due to...
Checking oil pressure and oil pressure sensor
To control, you need a pressure gauge, which can be attached to the oil pressure sensor. The oil pressure sensor is installed on the oil filter bracket....
To control, you need a pressure gauge, which can be attached to the oil pressure sensor. The oil pressure sensor is installed on the oil filter bracket....
Removal and installation the oil pan
To remove the oil pan, it is necessary to loosen the power unit mount and, using a lifting mechanism, lift the power unit. Removal 4-cylinder petrol engine...
To remove the oil pan, it is necessary to loosen the power unit mount and, using a lifting mechanism, lift the power unit. Removal 4-cylinder petrol engine...
Engine fault diagnostics
If the engine does not start, faults should be systematically excluded. In order to start the engine, two basic prerequisites must always be met in gasoline...
If the engine does not start, faults should be systematically excluded. In order to start the engine, two basic prerequisites must always be met in gasoline...
This section is available on russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
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Share information:
- General information
- User manual
- Maintenance
- Troubleshooting
- Power unit
- V6 petrol engines
- V8 petrol engines
- Diesel engines
- Cooling and heating system
- Injection system (gasoline)
- Fuel system (diesel)
- Supply system
- Exhaust system
- Ignition system
- Transmission
- Clutch
- Mechanical gearbox
- Automatic gearbox
- Chassis
- Brake system
- Car suspension
- Steering
- Body
- Body elements
- Doors, locks and windows
- Electrical equipment
- Equipment and devices
- Power devices
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- Schemes (petrol engine 2.7 l)
- Schemes (petrol engine 4.2 l)
- Schemes (diesel engine 2.5 l)
- General information
- User manual
- Maintenance
- Power unit
- Engine repair
- Cooling system
- Fuel system
- Engine management
- Fuel system (diesel)
- Exhaust system
- Transmission
- Clutch
- Car gearbox
- Chassis
- Front suspension
- Rear suspension
- Steering
- Wheels and tires
- Brake system
- Body
- Exterior
- Interior
- Electrical equipment
- Air conditioner
- Equipment and devices
- Electrical circuits
- General information
- User manual
- Maintenance (gasoline)
- Maintenance (Diesel)
- Gasoline engines
- 4 cylinder engines
- 5 cylinder engines
- 6 cylinder engines
- Diesel engines
- 4 cylinder engines
- 5 cylinder engines
- Engine repair
- Removal and reassembly
- Cooling system
- Single point injection system
- Multipoint injection system
- MPI/MPFI injection system
- Fuel system (diesel)
- Exhaust system
- Ignition system
- Transmission
- Clutch
- Manual transmission
- Automatic transmission
- Drive shafts
- Chassis
- Brake system
- Front suspension
- Rear suspension
- Steering
- Body
- Exterior (external elements)
- Interior (internal elements)
- Electrical equipment
- Power devices
- Lighting and appliances
- Electrical circuits

