A4 Mk2
Exploded view - dismantling and assembling differential |
Special tools and workshop equipment required |
t | Drift -VW 295- |
t | Thrust plate -VW 401- |
t | Thrust plate -VW 402- |
t | Press tool -VW 407- |
t | Press tool -VW 408 A- |
t | Press tool -VW 412- |
t | Press tool -VW 442- |
t | Press tool -40-21- |
t | Thrust plate -40-105- |
t | Thrust piece -2050- |
t | Drift -3138- |
t | Torque wrench -V.A.G 1332- |
t | Tapered roller bearing puller -V.A.G 1582- |
t | Adapter -V.A.G 1582/6- |
t | Puller -Kukko 44/2- |
Heat tapered roller bearing inner races to 100°C before installing. |
Always renew both tapered roller bearings together. |
The differential must be adjusted → Chapter if the tapered roller bearings, differential cage, rear final drive cover, final drive gear set or the final drive housing are renewed. |
Clamp rear final drive in assembly stand → Fig. |
1) | Adjustment work is required if these components are renewed → Chapter |
1 - | Cover for rear final drive → Note |
2 - | O-ring |
q | Always renew |
q | Lubricate with oil when installing |
3 - | Rear final drive housing → Note |
4 - | Shim S1 |
q | Note thickness |
q | Table of adjustments → Chapter |
5 - | Small tapered roller bearing outer race → Note |
q | Driving out → Fig. |
q | Pressing in → Fig. |
6 - | Small tapered roller bearing inner race → Note |
q | Pulling off → Fig. |
q | Pressing on → Fig. |
7 - | Hexagon bolt, 60 Nm then turn 45° further |
q | Always renew |
q | Lightly tighten bolts then tighten in diagonal sequence to correct torque |
q | For correct version, refer to → Electronic parts catalogue |
8 - | Differential cage → Note |
9 - | Crown wheel → Note |
q | Is paired with pinion shaft (final drive gear set) |
q | Drive off with a drift → Fig. |
q | Fitting on differential cage → Fig. |
q | For correct version, refer to → Electronic parts catalogue |
10 - | Spring pin |
q | For securing differential pinion pin |
q | Drive in flush |
11 - | Large tapered roller bearing inner race → Note |
q | Pulling off → Fig. |
q | Pressing on → Fig. |
12 - | Large tapered roller bearing outer race → Note |
q | Driving out → Fig. |
q | Pressing in → Fig. |
13 - | Shim S2 |
q | Note thickness |
q | Table of adjustments → Chapter |
14 - | Threaded piece |
15 - | Sun wheel |
q | Installing → Fig. |
q | Adjusting → Fig. |
16 - | Planet pinion |
q | Installing → Fig. |
17 - | Differential pinion pin |
q | Drive out with drift |
18 - | Shim |
q | Determining thickness → Fig. |
19 - | Thrust washer |
q | Check for cracks |
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Shim thickness (mm) | ||
0.50 | 0.70 | 0.90 |
0.60 | 0.80 | 1.00 |
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