Vehicle maintenance Audi A6 C5
Technical data
Spark plugs for petrol engines of A6 cars The gap between the spark plug electrodes is 1.0±0.1 mm. Filling volumes
Spark plugs for petrol engines of A6 cars The gap between the spark plug electrodes is 1.0±0.1 mm. Filling volumes
Technical support
Service intervals for AUDI A6 vehicles depend on the vehicle's operating time and mileage. When the next maintenance is due, the Service indicator appears for...
Service intervals for AUDI A6 vehicles depend on the vehicle's operating time and mileage. When the next maintenance is due, the Service indicator appears for...
Maintenance frequency
Petrol engine, maximum up to 30,000 km or 2 years. 4-cylinder diesel engine, maximum 50,000 km or 2 years. 6-cylinder diesel engine, maximum 35,000 km or 2...
Petrol engine, maximum up to 30,000 km or 2 years. 4-cylinder diesel engine, maximum 50,000 km or 2 years. 6-cylinder diesel engine, maximum 35,000 km or 2...
Resetting the Service Indicator
Resetting the Service indicator of maintenance intervals is performed using a special device VAG-1551, which is connected using an electrical connector located...
Resetting the Service indicator of maintenance intervals is performed using a special device VAG-1551, which is connected using an electrical connector located...
Oil change service
Cars without a system "Longlife-Service" The oil must be changed if the indicator shows the following message: "SERVISE OEL" and accordingly all 15,000 km (all...
Cars without a system "Longlife-Service" The oil must be changed if the indicator shows the following message: "SERVISE OEL" and accordingly all 15,000 km (all...
Maintenance schedule
Cars without "Longlife-Service" After the inscription appears on the instrument cluster indicator "SERVISE INSP", it is necessary to carry out maintenance of...
Cars without "Longlife-Service" After the inscription appears on the instrument cluster indicator "SERVISE INSP", it is necessary to carry out maintenance of...
Oil and oil filter change
Periodic oil and oil filter changes are the most important preventative maintenance procedure. As engine oil ages, it becomes thin and contaminated, leading to...
Periodic oil and oil filter changes are the most important preventative maintenance procedure. As engine oil ages, it becomes thin and contaminated, leading to...
Draining engine oil
2.5-I-TDI Engine Remove the upper engine cover ( see fig. 2.82 ). Using a SW 32 wrench, unscrew cover 1 (Fig. 1.4) of the oil filter housing. Oil from the...
2.5-I-TDI Engine Remove the upper engine cover ( see fig. 2.82 ). Using a SW 32 wrench, unscrew cover 1 (Fig. 1.4) of the oil filter housing. Oil from the...
Finding Oil Leaks
If there are leaks and increased engine oil consumption, check the following areas of the engine: open the oil filler cap and check the cap gasket for porosity...
If there are leaks and increased engine oil consumption, check the following areas of the engine: open the oil filler cap and check the cap gasket for porosity...
Checking the oil level and filling
The engine oil consumption should be 1.0 l per 1000 km of the vehicle's mileage. Increased oil consumption indicates wear of the oil-deflecting caps or...
The engine oil consumption should be 1.0 l per 1000 km of the vehicle's mileage. Increased oil consumption indicates wear of the oil-deflecting caps or...
Checking the exhaust system
Place the vehicle over an inspection pit or lift it on a lift. On a cold engine, check the condition of the exhaust system components along its entire length....
Place the vehicle over an inspection pit or lift it on a lift. On a cold engine, check the condition of the exhaust system components along its entire length....
Checking the tightness of the cooling system
Coolant leaks are detected by a white or rust-colored coating in the area adjacent to the leak. Check the radiator and coolant hoses along their entire length....
Coolant leaks are detected by a white or rust-colored coating in the area adjacent to the leak. Check the radiator and coolant hoses along their entire length....
Checking hoses for leaks and searching for fluid leaks
The location of a fuel leak can be difficult to determine until the leak becomes significant and therefore easily visible. Fuel tends to evaporate quickly once...
The location of a fuel leak can be difficult to determine until the leak becomes significant and therefore easily visible. Fuel tends to evaporate quickly once...
Checking and filling the coolant
A low coolant level is indicated by a warning light in the instrument cluster. Before every long-distance trip, the coolant level should be checked. For...
A low coolant level is indicated by a warning light in the instrument cluster. Before every long-distance trip, the coolant level should be checked. For...
Fuel filter for TDI diesel engines
Engine 1.9-I-TDI/110 hp. Removal water from the fuel filter The fuel filter is located on the left side of the cylinder block behind the generator. Remove the...
Engine 1.9-I-TDI/110 hp. Removal water from the fuel filter The fuel filter is located on the left side of the cylinder block behind the generator. Remove the...
Air filter
Removal If present, remove cover 1 upwards (Fig. 1.17). Release the air intake pipe 2 from the clamps (Fig. 1.17). Engine 1.8-I. Disconnect the hoses shown in...
Removal If present, remove cover 1 upwards (Fig. 1.17). Release the air intake pipe 2 from the clamps (Fig. 1.17). Engine 1.8-I. Disconnect the hoses shown in...
Checking the condition of the poly V-belt
The tension of the poly V-belt is carried out automatically. It is necessary to periodically check the condition of the belt and replace the belt if any...
The tension of the poly V-belt is carried out automatically. It is necessary to periodically check the condition of the belt and replace the belt if any...
Toothed belt
Diesel engine 1.9-I-110 hp up to number 4 BYN 002 887 Checking the timing belt Release the two clips securing the upper timing belt cover and pull the cover up...
Diesel engine 1.9-I-110 hp up to number 4 BYN 002 887 Checking the timing belt Release the two clips securing the upper timing belt cover and pull the cover up...
Checking the crankcase pressure on a 2.5-I-TDI engine
To check the crankcase pressure on the 2.5-I-TDI engine, the VA G 1371 measuring device must be used. High crankcase pressure leads to engine oil losses....
To check the crankcase pressure on the 2.5-I-TDI engine, the VA G 1371 measuring device must be used. High crankcase pressure leads to engine oil losses....
Spark plugs
Spark plugs are replaced during scheduled maintenance. Spark plugs and the entire ignition system as a whole are selected for this engine, and this helps to...
Spark plugs are replaced during scheduled maintenance. Spark plugs and the entire ignition system as a whole are selected for this engine, and this helps to...
Gearbox/ final drive
When performing maintenance at certain intervals, the following should be checked. Drive shafts: Check the constant velocity joint protective boots for leaks...
When performing maintenance at certain intervals, the following should be checked. Drive shafts: Check the constant velocity joint protective boots for leaks...
Checking the drive shaft protective boot
Raise and secure the vehicle securely on stands. Turn the steering wheel to the right or left until it stops and turn the front wheel. Using a lamp, inspect...
Raise and secure the vehicle securely on stands. Turn the steering wheel to the right or left until it stops and turn the front wheel. Using a lamp, inspect...
Checking the front suspension and steering
Checking the dust covers of the front suspension joints Raise the front of the car and support it on stands with the wheels hanging in the air. Use a portable...
Checking the dust covers of the front suspension joints Raise the front of the car and support it on stands with the wheels hanging in the air. Use a portable...
Checking the Power Steering Fluid Level
The power steering fluid level can be checked when cold or when warm during operation (approximately 50°C). It is recommended to check the power steering fluid...
The power steering fluid level can be checked when cold or when warm during operation (approximately 50°C). It is recommended to check the power steering fluid...
Checking the shock absorber
Check the shock absorber for any signs of fluid leaks. If a leak is detected, the shock absorber is damaged and needs to be replaced. Shock absorbers should be...
Check the shock absorber for any signs of fluid leaks. If a leak is detected, the shock absorber is damaged and needs to be replaced. Shock absorbers should be...
Radiator check
Check the radiator for leaks or corrosion, especially around the coolant hose connections. Using a soft brush or compressed air, clean the radiator. If there...
Check the radiator for leaks or corrosion, especially around the coolant hose connections. Using a soft brush or compressed air, clean the radiator. If there...
Checking the electrical wiring
Check the condition of the electrical wiring in the engine compartment and under the vehicle. Check the reliability of the electrical wiring. Pay special...
Check the condition of the electrical wiring in the engine compartment and under the vehicle. Check the reliability of the electrical wiring. Pay special...
Brake fluid
Brake fluid specification FMVSS 116 DOT 4 The brake fluid reservoir is located on the left side of the engine compartment. The reservoir cap has a vent hole...
Brake fluid specification FMVSS 116 DOT 4 The brake fluid reservoir is located on the left side of the engine compartment. The reservoir cap has a vent hole...
Checking the condition of seat belts
Make sure the belts are not twisted due to improper installation. If the belts are twisted or stick when retracted, pull the belt out as far as it will go to...
Make sure the belts are not twisted due to improper installation. If the belts are twisted or stick when retracted, pull the belt out as far as it will go to...
Dust and pollen filters
Removal The filter that traps dust and pollen in the interior ventilation and heating system is located on the right under the ventilation chamber casing. If...
Removal The filter that traps dust and pollen in the interior ventilation and heating system is located on the right under the ventilation chamber casing. If...
Door hinges
The door hinges must be periodically lubricated with grease G 052 778 A2 (see fig. 1.47).
The door hinges must be periodically lubricated with grease G 052 778 A2 (see fig. 1.47).
Replacing the battery in the remote control key
Each main key is equipped with two disk power elements located in cover B of the transmitter housing. Remove the key. Using a gentle twist of a screwdriver,...
Each main key is equipped with two disk power elements located in cover B of the transmitter housing. Remove the key. Using a gentle twist of a screwdriver,...
Windscreen wiper blades
Keeping your windscreen wipers in perfect condition is essential to ensure good visibility. To avoid deformation of the brushes, it is necessary to regularly...
Keeping your windscreen wipers in perfect condition is essential to ensure good visibility. To avoid deformation of the brushes, it is necessary to regularly...
Windscreen washers
The fluid reservoir is located in the engine compartment on the driver's side. In the absence of glass cleaners and to prevent glass icing, you can use alcohol...
The fluid reservoir is located in the engine compartment on the driver's side. In the absence of glass cleaners and to prevent glass icing, you can use alcohol...
Checking the level and density of electrolyte in the battery
The battery under normal vehicle operating conditions requires almost no maintenance. At high ambient temperatures, it is recommended to check the electrolyte...
The battery under normal vehicle operating conditions requires almost no maintenance. At high ambient temperatures, it is recommended to check the electrolyte...
Charging the battery
Before charging, turn off the ignition and all current consumers. Under normal use, the battery does not require recharging from external sources. Only during...
Before charging, turn off the ignition and all current consumers. Under normal use, the battery does not require recharging from external sources. Only during...
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