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 cm 3 , Motronic injection system, 169 kW AAN 2309 cm 3 , Bosch KEIII Jetronic injection system, 98 kW AAR Cylinder...
Timing tags of gas distribution Label on the front of the camshaft sprocket Marks on the crankshaft pulley and oil pump housing The sprockets of the crankshaft, camshaft and intermediate...
Gas distribution belt Timing belt 1. Spring clip 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 Withdrawal 1. Disconnect the negative battery cable. Tensioner 2. Remove the timing belt. 3. Unscrew the bolts and remove the tensioner. Camshaft sprocket 4....
Additional drive belt Additional drive belt Withdrawal 1. Raise and secure the front of the vehicle. 2. Remove the bumper and headlights, disconnect the cable from the hood lock and...
Camshaft cover Withdrawal 1. Disconnect the accelerator cable from the throttle cover. 2. Disconnect the breather hose from the camshaft cover. 3. Tighten the nuts and remove...
Camshaft oil seal Order of execution 1. Remove the camshaft sprocket. 2. Drill two holes in the gland, screw the screws into them and remove the gland. 3. 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 and remove the gland....
Cylinder head Cylinder head bolt tightening sequence Withdrawal 1. Disconnect the negative battery cable. 2. Remove the engine top cover. Raise and secure the front of the...
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...
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...
Engine mounts Examination 1. Raise and secure the front of the vehicle. 2. Inspect rubber mounts for wear and damage and replace if necessary. 3. Check that the support...
Oil pan Oil pan 1. Oil dipstick 2. O-ring 3. Oil pressure sensor 0.3 bar 4. Oil pressure sensor 1.8 bar 5. Oil intake pipe 6. Dividing wall 7. Pallet 8. Bolt 9. Drain...
Oil pump and oil pickup pipe Withdrawal 1. Remove the timing belt and crankshaft sprocket. 2. Remove the oil pan. 3. Remove the inner timing belt cover. 4. Remove the oil pickup pipe. 5....