A4 Mk2
Crankshaft - exploded view of components |
Note
When carrying out repairs, secure engine to engine and gearbox support -VAS 6095- → Chapter. |
1 - | 9 Nm |
q | Tighten in stages and in diagonal sequence |
2 - | Sealing flange (pulley end) |
q | Renewing → Chapter |
3 - | Seals |
q | Different versions available → Electronic parts catalogue |
q | Renew |
4 - | Crankshaft |
q | Measuring axial clearance → Chapter |
q | Measuring radial clearance → Chapter |
q | Do not rotate the crankshaft when checking the radial clearance |
q | Crankshaft dimensions → Chapter |
5 - | Dowel sleeve |
q | 4 x |
q | Inserting in retaining frame → Fig. |
6 - | Retaining frame |
q | To remove, detach guide rail → Item for drive chain for valve gear |
q | Applying sealant → Fig. |
q | Tightening sequence for securing bolts → Fig. |
7 - | Bolt |
q | For sealing surfaces: cylinder block/retaining frame |
q | Differing bolt lengths and bolt heads |
q | Tightening sequence → Fig. |
8 - | Bolt (long, large collar) |
q | For retaining frame (inner row) |
q | Tightening sequence → Fig. |
9 - | Bolt (short, small collar) |
q | For retaining frame (outer row) |
q | Tightening sequence → Fig. |
10 - | Thrust washer |
q | Only fitted on 3rd crankshaft bearing |
q | Oil grooves face outwards |
q | Make sure it engages in retaining frame |
q | Measuring axial clearance of crankshaft → Chapter |
11 - | Bearing shell |
q | For retaining frame (without oil groove) |
q | Do not interchange used bearing shells (mark positions) |
q | Note installation position |
q | Install new bearing shells for retaining frame with correct coloured markings → Fig. |
12 - | Centralising disc |
q | For vehicles with automatic gearbox 09L → Fig. |
13 - | Thrust washer |
q | Only fitted on 3rd crankshaft bearing |
q | Oil grooves face outwards |
q | Make sure it engages in retaining frame |
q | Measuring axial clearance of crankshaft → Chapter |
14 - | Bearing shell |
q | For cylinder block (with oil groove) |
q | Do not interchange used bearing shells (mark positions) |
q | Note installation position |
q | Install new bearing shells for the cylinder block with the correct coloured markings → Fig. |
15 - | O-ring or seal |
q | Depending on version → Electronic parts catalogue |
q | Renew |
16 - | Cylinder block |
Note
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Bearing No. | Code letter on retaining frame | Colour coding of bearing | |
1 | G | = | Red |
B | = | Yellow | |
S | = | Blue | |
2 … 4 | G | = | Yellow |
B | = | Blue | |
S | = | Black |
|
Code letter on retaining frame | Colour coding of bearing | |
R | = | Red |
G | = | Yellow |
B | = | Blue |
S | = | Black |
|
Bearing No. | Letter on crankshaft | Colour coding of bearing | |
1 | G | = | Red |
B | = | Yellow | |
S | = | Blue | |
2 … 4 | G | = | Yellow |
B | = | Blue | |
S | = | Black |
|
Letter on crankshaft | Colour coding of bearing | |
R | = | Red |
G | = | Yellow |
B | = | Blue |
S | = | Black |