4 cylinder car engines Audi A6 C4
In this section, information about gasoline 4-cylinder engines with volumes of 1.8 and 2.0 liters with water cooling and one or two camshafts of the Audi A6. The cylinder block of these engines is made of cast iron, and the head is made of aluminum alloy. Engine factory codes: ADR, AAE, ACE, ABK and AAD.
Engine Specifications
General characteristics Engine code: 1781 cm 3 , Bosch Motronic 3.2 injection system, 92 kW ADR 1984 cm 3 , Bosch Mono–Motronic injection system, 74 kW AAE...
General characteristics Engine code: 1781 cm 3 , Bosch Motronic 3.2 injection system, 92 kW ADR 1984 cm 3 , Bosch Mono–Motronic injection system, 74 kW AAE...
Timing tags of gas distribution
The sprockets of the crankshaft, camshaft and intermediate shaft are driven by the timing belt and rotate in phase. If the sprockets are out of phase, the...
The sprockets of the crankshaft, camshaft and intermediate shaft are driven by the timing belt and rotate in phase. If the sprockets are out of phase, the...
Compression test
If the engine runs poorly or intermittently, check the ignition system and fuel system. If the cause of poor engine performance could not be found, perform a...
If the engine runs poorly or intermittently, check the ignition system and fuel system. If the cause of poor engine performance could not be found, perform a...
Gas distribution belt
Timing belt (AAE, ACE, ABK, AAD) 1. Upper belt cover 2. Nut 3. Plug 4. Timing belt 5. Tensioner 6. Nut 7. Back belt cover 8. Pin 9. Bolt 10. Drive belt 11....
Timing belt (AAE, ACE, ABK, AAD) 1. Upper belt cover 2. Nut 3. Plug 4. Timing belt 5. Tensioner 6. Nut 7. Back belt cover 8. Pin 9. Bolt 10. Drive belt 11....
Timing belt tensioner, sprockets
Withdrawal 1. Remove the timing belt. Tensioner 2. Turn the tensioner pulley counterclockwise and insert the pin into the hole located at the top of the...
Withdrawal 1. Remove the timing belt. Tensioner 2. Turn the tensioner pulley counterclockwise and insert the pin into the hole located at the top of the...
Additional drive belts
Depending on the model, one to three additional belts can be fitted to power the alternator, power steering pump, water pump and air conditioning compressor....
Depending on the model, one to three additional belts can be fitted to power the alternator, power steering pump, water pump and air conditioning compressor....
Camshaft cover
ADR engine Withdrawal 1. Remove the engine top cover. 2. Remove the air intake located between the air filter and the throttle housing. 3. Disconnect the wires...
ADR engine Withdrawal 1. Remove the engine top cover. 2. Remove the air intake located between the air filter and the throttle housing. 3. Disconnect the wires...
Camshaft oil seal
Replacement 1. Remove the camshaft sprocket. 2. Drill two holes in the gland, screw in the screws and remove the gland. 3. Clean the seal groove. 4. Lubricate...
Replacement 1. Remove the camshaft sprocket. 2. Drill two holes in the gland, screw in the screws and remove the gland. 3. Clean the seal groove. 4. Lubricate...
Intermediate shaft oil seal
Replacement 1. Remove the intermediate shaft sprocket. 2. Remove the O-ring from the groove in the gland housing. 3. Remove the seal. 4. Clean the seal groove....
Replacement 1. Remove the intermediate shaft sprocket. 2. Remove the O-ring from the groove in the gland housing. 3. Remove the seal. 4. Clean the seal groove....
Crankshaft seals
Front crankshaft oil seal 1. Remove the timing belt and crankshaft sprocket. 2. Drill two holes in the gland, screw the screws into them. 3. Remove the...
Front crankshaft oil seal 1. Remove the timing belt and crankshaft sprocket. 2. Drill two holes in the gland, screw the screws into them. 3. Remove the...
Cylinder head
ADR engine External parts of the cylinder head 1. Head gasket 2. Head bolts 3. Gasket exhaust manifold 4. Exhaust manifold 5. Exhaust manifold nuts 6. Camshaft...
ADR engine External parts of the cylinder head 1. Head gasket 2. Head bolts 3. Gasket exhaust manifold 4. Exhaust manifold 5. Exhaust manifold nuts 6. Camshaft...
Hydraulic pushers
The pushers are automatically adjusted and do not require maintenance. To check the operation of the tappets, warm up the engine, turn it off and remove the...
The pushers are automatically adjusted and do not require maintenance. To check the operation of the tappets, warm up the engine, turn it off and remove the...
Removal and installation of a flywheel
Withdrawal 1. On manual transmission models, remove the transmission and clutch. 2. On automatic transmission models, remove the transmission. 3. Unscrew the...
Withdrawal 1. On manual transmission models, remove the transmission and clutch. 2. On automatic transmission models, remove the transmission. 3. Unscrew the...
Engine mounts
Examination 1. Raise and secure the front of the vehicle. 2. Inspect the rubber mounts for wear and damage and replace if necessary. 3. Check that the support...
Examination 1. Raise and secure the front of the vehicle. 2. Inspect the rubber mounts for wear and damage and replace if necessary. 3. Check that the support...
Oil pan
Oil pan (ADR) Withdrawal 1. Raise and secure the front of the vehicle. 2. Remove the bottom engine cover. 3. Drain the engine oil and remove the dipstick. 4....
Oil pan (ADR) Withdrawal 1. Raise and secure the front of the vehicle. 2. Remove the bottom engine cover. 3. Drain the engine oil and remove the dipstick. 4....
Oil pump and oil pickup pipe
Withdrawal 1. Remove the oil pan. 2. Remove the oil pickup pipe. 3. Remove the sealing ring. 4. Remove the oil pump bolts. 5. Remove the oil pump. 6. Remove...
Withdrawal 1. Remove the oil pan. 2. Remove the oil pickup pipe. 3. Remove the sealing ring. 4. Remove the oil pump bolts. 5. Remove the oil pump. 6. Remove...
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