Diesel car maintenance Audi A6 C4
View of the engine compartment and filling volumes
Engine bay of models with 1.9L turbocharged 4-cylinder diesel engine 1. Oil filler cap 2. Air flow sensor 3. air filter 4. Exhaust gas recirculation valve 5....
Engine bay of models with 1.9L turbocharged 4-cylinder diesel engine 1. Oil filler cap 2. Air flow sensor 3. air filter 4. Exhaust gas recirculation valve 5....
Regular maintenance
Every 15,000 km on A6 models, the OEL message should light up on the service screen. Every 12 months on A6 models the OEL message should light up on the...
Every 15,000 km on A6 models, the OEL message should light up on the service screen. Every 12 months on A6 models the OEL message should light up on the...
Changing engine oil and filter
Every 15,000 km. Oil filter (4-cylinder models) The oil filter is located on the left side of the engine. Regular oil and oil filter changes are one of the...
Every 15,000 km. Oil filter (4-cylinder models) The oil filter is located on the left side of the engine. Regular oil and oil filter changes are one of the...
Checking the front brake linings
Every 15,000 km. It is necessary to place the car on supports and remove the front wheels. The thickness of the brake pads can be checked through the hole on...
Every 15,000 km. It is necessary to place the car on supports and remove the front wheels. The thickness of the brake pads can be checked through the hole on...
Checking the drain channels in front of the windshield
Every 15,000 km. Execution order 1. Open the hood and remove the water drain panel from the rear wall of the engine compartment. 2. Remove leaves and dirt from...
Every 15,000 km. Execution order 1. Open the hood and remove the water drain panel from the rear wall of the engine compartment. 2. Remove leaves and dirt from...
Draining fluid from the fuel filter
Every 15,000 km. Models with 4-cylinder engines 1. Disconnect the hoses from the right front and left rear sides of the filter. 2. Unscrew the fastening nut...
Every 15,000 km. Models with 4-cylinder engines 1. Disconnect the hoses from the right front and left rear sides of the filter. 2. Unscrew the fastening nut...
Resetting the maintenance sensor
Every 15,000 km. To reset the sensor readings, you need to purchase a special device that connects to the diagnostic connector in the engine compartment.
Every 15,000 km. To reset the sensor readings, you need to purchase a special device that connects to the diagnostic connector in the engine compartment.
Checking windshield washers
Every 12 months. Check that the sprinklers are not clogged and are aiming the water stream just above the center of the glass. Adjust them if necessary.
Every 12 months. Check that the sprinklers are not clogged and are aiming the water stream just above the center of the glass. Adjust them if necessary.
Checking the headlight adjustment
Every 12 months. For precise adjustment of headlights, it is recommended to contact specialists. For rough adjustment of the headlights, you can use the...
Every 12 months. For precise adjustment of headlights, it is recommended to contact specialists. For rough adjustment of the headlights, you can use the...
Lubrication of hinges and locks
Every 12 months. Execution order 1. Lubricate all door and hood hinges and lock mechanisms with oil. Check the operation of the locks and adjust them if...
Every 12 months. Execution order 1. Lubricate all door and hood hinges and lock mechanisms with oil. Check the operation of the locks and adjust them if...
Checking the electrolyte level in the battery
Every 12 months. Check that the electrolyte level is approximately 2-3 mm above the inner plates and top up with distilled water if necessary.
Every 12 months. Check that the electrolyte level is approximately 2-3 mm above the inner plates and top up with distilled water if necessary.
Checking the ECU memory module
Every 12 months. To check for the presence of a fault code in the control unit memory, you must contact a specialist.
Every 12 months. To check for the presence of a fault code in the control unit memory, you must contact a specialist.
Checking for leaks
Every 12 months. Execution order 1. Inspect the area around the valve cover, cylinder head, oil filter and oil pan for leaks. Replace the appropriate gaskets...
Every 12 months. Execution order 1. Inspect the area around the valve cover, cylinder head, oil filter and oil pan for leaks. Replace the appropriate gaskets...
Checking the antifreeze content
Every 12 months. Execution order 1. When the engine is cold, remove the brake fluid expansion tank cap. 2. Using a special sensor, check the antifreeze...
Every 12 months. Execution order 1. When the engine is cold, remove the brake fluid expansion tank cap. 2. Using a special sensor, check the antifreeze...
Checking and replacing V-belts
Every 12 months. Removal the V-belt on a 4-cylinder engine 1. Adjusting nut 2. Lock bolt 3, 5, 6. Bolts 4. Nut 1. Inspect drive belts for cracks, fraying,...
Every 12 months. Removal the V-belt on a 4-cylinder engine 1. Adjusting nut 2. Lock bolt 3, 5, 6. Bolts 4. Nut 1. Inspect drive belts for cracks, fraying,...
Checking the brake system
Every 12 months. Checking the hoses and tubes of the brake system Inspect all hoses and tubes for leaks or damage and replace if necessary. Checking the wear...
Every 12 months. Checking the hoses and tubes of the brake system Inspect all hoses and tubes for leaks or damage and replace if necessary. Checking the wear...
Checking the exhaust system
Every 12 months. Execution order 1. Inspect the exhaust pipes along their entire length for damaged or missing fasteners, check the mounting clamps and pipes...
Every 12 months. Execution order 1. Inspect the exhaust pipes along their entire length for damaged or missing fasteners, check the mounting clamps and pipes...
Checking steering components, suspension and axle shafts
Every 12 months. Front suspension and steering 1. Raise the front of the vehicle and support it on jack stands. 2. Inspect the dust boots and covers for cracks...
Every 12 months. Front suspension and steering 1. Raise the front of the vehicle and support it on jack stands. 2. Inspect the dust boots and covers for cracks...
Checking the timing belt (4-cylinder engine)
Every 12 months. Execution order 1. Remove the belt covers. 2. Inspect the belt for wear, cracks or damage. Measure the belt thickness, if it is less than 22...
Every 12 months. Execution order 1. Remove the belt covers. 2. Inspect the belt for wear, cracks or damage. Measure the belt thickness, if it is less than 22...
Checking the car in road conditions
Every 12 months. Instruments and electrical equipment 1. Inspect the shock absorbers for signs of fluid leakage. If there is a leak, the shock absorber must be...
Every 12 months. Instruments and electrical equipment 1. Inspect the shock absorbers for signs of fluid leakage. If there is a leak, the shock absorber must be...
Checking and lubricating the upper hatch mechanism
Every 30,000 km. Execution order 1. Open the top hatch slightly. 2. Clean the guides and lubricate the hatch opening mechanism with silicone grease.
Every 30,000 km. Execution order 1. Open the top hatch slightly. 2. Clean the guides and lubricate the hatch opening mechanism with silicone grease.
Checking and replacing the multi-lane drive belt
Every 30,000 km. Configuration of a multi-lane drive belt on a 4-cylinder engine (models with air conditioning) Execution order 1. Inspect the drive belt for...
Every 30,000 km. Configuration of a multi-lane drive belt on a 4-cylinder engine (models with air conditioning) Execution order 1. Inspect the drive belt for...
Checking the timing belt (5-cylinder engine)
Every 30,000 km. Execution order 1. Remove the belt covers. 2. Inspect the belt for wear, cracks or damage. Make sure the belt is centered on the pulleys. On...
Every 30,000 km. Execution order 1. Remove the belt covers. 2. Inspect the belt for wear, cracks or damage. Make sure the belt is centered on the pulleys. On...
Checking the injection pump drive belt (2.5L engine)
Every 30,000 km. Execution order 1. Remove the belt covers. 2. Inspect the belt for wear, cracks or damage. Check the belt tension. 3. Check the position of...
Every 30,000 km. Execution order 1. Remove the belt covers. 2. Inspect the belt for wear, cracks or damage. Check the belt tension. 3. Check the position of...
Replacing the fuel filter
Every 30,000 km. Models with 4-cylinder engine 1. Inspect the shock absorbers for signs of fluid leakage. If there is a leak, the shock absorber must be...
Every 30,000 km. Models with 4-cylinder engine 1. Inspect the shock absorbers for signs of fluid leakage. If there is a leak, the shock absorber must be...
Replacing the paper filter
Every 30,000 km. Audi 100 Models 1. Remove the water drain panel. 2. Remove the fastening nuts (A) and replace the filter. 3. Replace the filter. Audi A6...
Every 30,000 km. Audi 100 Models 1. Remove the water drain panel. 2. Remove the fastening nuts (A) and replace the filter. 3. Replace the filter. Audi A6...
Checking the automatic transmission fluid level
Every 30,000 km. Execution order 1. Drive the car to warm up the gearbox and park the car on a level surface. 2. Check the fluid level using the dipstick. 3....
Every 30,000 km. Execution order 1. Drive the car to warm up the gearbox and park the car on a level surface. 2. Check the fluid level using the dipstick. 3....
Checking the final drive fluid level (automatic transmission models)
Every 30,000 km. Execution order 1. Unscrew the filler plug (arrow) and check that the liquid is level with the lower edge of the hole. 2. Add liquid if...
Every 30,000 km. Execution order 1. Unscrew the filler plug (arrow) and check that the liquid is level with the lower edge of the hole. 2. Add liquid if...
Checking the manual transmission oil level
Every 30,000 km. Execution order 1. Unscrew the filler plug (arrow) and check that the oil is at the level of the lower edge of the hole on late models with...
Every 30,000 km. Execution order 1. Unscrew the filler plug (arrow) and check that the oil is at the level of the lower edge of the hole on late models with...
Replacing the air filter
Every 60,000 km. Execution order Remove the air filter cover and replace the filter.
Every 60,000 km. Execution order Remove the air filter cover and replace the filter.
Automatic transmission fluid replacement
Every 60,000 km. Gearbox 097 1. Place a container under the automatic transmission to collect the fluid, then loosen the filler tube retaining nut, disconnect...
Every 60,000 km. Gearbox 097 1. Place a container under the automatic transmission to collect the fluid, then loosen the filler tube retaining nut, disconnect...
Replacing brake fluid
Every 2 years. Replacing the brake fluid is done in the same way as bleeding the brake system. Bleed until only new brake fluid flows out of the exhaust...
Every 2 years. Replacing the brake fluid is done in the same way as bleeding the brake system. Bleed until only new brake fluid flows out of the exhaust...
Replacing the coolant
Every 2 years. Draining the coolant 1. Remove the expansion tank cap. 2. Unscrew the drain plug on the radiator and drain the coolant. 3. Disconnect the water...
Every 2 years. Draining the coolant 1. Remove the expansion tank cap. 2. Unscrew the drain plug on the radiator and drain the coolant. 3. Disconnect the water...
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