A4 Mk2
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 412- |
t | Removal and installing tool -VW 459- |
t | Thrust pieces for pinion shaft bearing -VW 470- |
t | Thrust plate -30-205- |
t | Mandrel -30-505- |
t | Press tool -40-21- |
t | Thrust plate -40-105- |
t | Thrust pad -3062- |
t | Drift -3138- |
t | Tapered roller bearing puller -V.A.G 1582- |
t | Adapter -V.A.G 1582/3- |
t | Adapter -V.A.G 1582/6- |
Differential - exploded view of components |
Note
Adjustment is required if gearbox housing, differential cage, cover for final drive, crown wheel or tapered roller bearings are being renewed → Anchor. |
1 - | Gearbox housing |
2 - | Shim “S2” |
q | Note thickness |
q | Table of adjustments → Anchor |
3 - | Small tapered roller bearing outer race |
q | Driving out → Fig. |
q | Driving in → Fig. |
4 - | Small tapered roller bearing inner race |
q | Pulling off → Fig. |
q | Pressing on → Fig. |
q | Low-friction bearing; do not oil bearing when measuring friction torque |
5 - | Crown wheel |
q | Is mated with pinion shaft (final drive gear set), always renew together as a set |
q | Select correct version according to code letters → Parts catalogue |
q | Removing → Fig. |
q | Installing → Fig. |
6 - | Differential cage |
7 - | Crown wheel bolt, 60 Nm + 45° further |
q | Renew |
q | Use only genuine bolts |
8 - | Large tapered roller bearing inner race |
q | Pulling off → Fig. |
q | Pressing on → Fig. |
q | Low-friction bearing; do not oil bearing when measuring friction torque |
9 - | Drive wheel |
q | For speedometer sender -G22- |
q | Not fitted from 07.2002 |
q | Removing and installing → Chapter |
q | Fit the drive wheel carefully onto the differential, making sure that it is kept straight. Do not use force; the drive wheel can break easily |
q | Installation position: shoulder -arrow- towards differential |
10 - | Large tapered roller bearing outer race |
q | Driving out → Fig. |
q | Driving in → Fig. |
11 - | Shim “S1” |
q | Note thickness |
q | Table of adjustments → Anchor |
12 - | Cover for final drive |
q | With O-ring |
q | Renew O-ring |
q | Lubricate O-ring with oil before installing |
13 - | Shims |
q | Re-determining thickness → Fig. |
14 - | Sun wheels |
q | Installing → Fig. |
q | Adjusting → Fig. |
15 - | Threaded piece |
16 - | Thrust washer |
q | Check for cracks and chipping |
17 - | Planet pinions |
q | Installing → Fig. |
q | Adjusting → Fig. |
18 - | Differential pinion pin |
q | Drive out with drift after removing spring pin |
q | Align thrust washers before driving in |
19 - | Spring pin |
q | Renew |
q | Drive in flush |
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Note
Note
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Available shims - Thickness of shims in mm 1) | ||||
0.50 | 0.70 | 0.90 | ||
0.60 | 0.80 | 1.00 | ||
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