5 cylinder car engines Audi A6 C4
In this subsection, the procedures for disassembling and assembling 5-cylinder gasoline engines with volumes of 2.2 and 2.3 liters of an Audi A6 car, with one or two camshafts and water cooling. Engine factory codes: AAN and AAR.
Engine specifications
General characteristics Engine code 2226 cm³, Motronic injection system, 169 kW AAN 2309 cm³, Bosch KEIII Jetronic injection system, 98 kW AAR Cylinder...
General characteristics Engine code 2226 cm³, Motronic injection system, 169 kW AAN 2309 cm³, Bosch KEIII Jetronic injection system, 98 kW AAR Cylinder...
Timing marks for valve timing
Mark on the front of the camshaft sprocket Marks on the crankshaft pulley and oil pump housing The crankshaft, camshaft and intermediate shaft sprockets are...
Mark on the front of the camshaft sprocket Marks on the crankshaft pulley and oil pump housing The crankshaft, camshaft and intermediate shaft sprockets are...
Gas distribution belt
Timing belt 1. Spring clamp 2. Upper belt cover 3. Timing belt 4. Camshaft sprocket bolt 5. Camshaft sprocket 6. Tensioner 7. Rear timing belt cover 8. Bolt 9....
Timing belt 1. Spring clamp 2. Upper belt cover 3. Timing belt 4. Camshaft sprocket bolt 5. Camshaft sprocket 6. Tensioner 7. Rear timing belt cover 8. Bolt 9....
Timing belt tensioner, sprockets
Removal 1. Disconnect the negative battery cable. Tensioner 2. Remove the timing belt. 3. Remove the bolts and tensioner. Camshaft Sprocket 4. Remove the...
Removal 1. Disconnect the negative battery cable. Tensioner 2. Remove the timing belt. 3. Remove the bolts and tensioner. Camshaft Sprocket 4. Remove the...
Additional drive belt
Additional drive belt Removal 1. Raise and support the front of the vehicle. 2. Remove the bumper and headlights, disconnect the cable from the hood lock and...
Additional drive belt Removal 1. Raise and support the front of the vehicle. 2. Remove the bumper and headlights, disconnect the cable from the hood lock and...
Camshaft cover
Removal 1. Disconnect the accelerator cable from the throttle body housing. 2. Disconnect the ventilation hose from the camshaft cover. 3. Unscrew the nuts and...
Removal 1. Disconnect the accelerator cable from the throttle body housing. 2. Disconnect the ventilation hose from the camshaft cover. 3. Unscrew the nuts and...
Camshaft oil seal
Execution order 1. Remove the camshaft sprocket. 2. Drill two holes in the seal, screw in the screws and remove the seal. 3. Clean the oil seal groove. 4....
Execution order 1. Remove the camshaft sprocket. 2. Drill two holes in the seal, screw in the screws and remove the seal. 3. Clean the oil seal groove. 4....
Crankshaft seals
Front crankshaft oil seal 1. Remove the timing belt and crankshaft sprocket. 2. Drill two holes in the seal, screw in the screws and remove the seal. 3....
Front crankshaft oil seal 1. Remove the timing belt and crankshaft sprocket. 2. Drill two holes in the seal, screw in the screws and remove the seal. 3....
Cylinder head
Cylinder Head Bolt Tightening Sequence Removal 1. Disconnect the negative battery cable. 2. Remove the top engine cover. Raise and support the front of the...
Cylinder Head Bolt Tightening Sequence Removal 1. Disconnect the negative battery cable. 2. Remove the top engine cover. Raise and support the front of the...
Hydraulic tappets
The pushers are automatically adjusted and require no maintenance. To check the operation of the tappets, warm up the engine, turn it off and remove the...
The pushers are automatically adjusted and require no maintenance. To check the operation of the tappets, warm up the engine, turn it off and remove the...
Removal and installation the flywheel
Removal 1. On manual transmission models, remove the transmission and clutch. 2. On models with automatic transmission, remove the transmission. 3. Unscrew the...
Removal 1. On manual transmission models, remove the transmission and clutch. 2. On models with automatic transmission, remove the transmission. 3. Unscrew the...
Engine mounts
Examination 1. Raise and support the front of the vehicle. 2. Inspect the rubber shock absorbers of the supports for wear and damage; replace them if...
Examination 1. Raise and support the front of the vehicle. 2. Inspect the rubber shock absorbers of the supports for wear and damage; replace them if...
Oil pan
Oil pan 1. Oil dipstick 2. Sealing ring 3. Oil pressure sensor 0.3 bar 4. Oil pressure sensor 1.8 bar 5. Oil intake pipe 6. Dividing partition 7. Pallet 8....
Oil pan 1. Oil dipstick 2. Sealing ring 3. Oil pressure sensor 0.3 bar 4. Oil pressure sensor 1.8 bar 5. Oil intake pipe 6. Dividing partition 7. Pallet 8....
Oil pump and oil intake pipe
Removal 1. Remove the timing belt and crankshaft sprocket. 2. Remove the oil pan. 3. Remove the inner timing belt cover. 4. Remove the oil intake pipe. 5....
Removal 1. Remove the timing belt and crankshaft sprocket. 2. Remove the oil pan. 3. Remove the inner timing belt cover. 4. Remove the oil intake pipe. 5....
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