Operation CHARM: Car repair manuals for everyone.

Differential, Disassembling and Assembling



Differential, disassembling and assembling, 02X, 6-Speed Four-Wheel Drive M/T





Special tools, testers and auxiliary items required
Thrust plate VW401
Thrust plate VW402
Punch VW407
Punch VW408A
Thrust pad VW447H
Thrust pad VW 447 i





Special tools, testers and auxiliary items required
Needle bearing drift VW 295
Thrust ring VW 470
Sleeve 30 - 14
Thrust plate 2050
Thrust pad 3005
Tube 3296





Special tools, testers and auxiliary items required
Torque wrench V.A.G 1332
Taper roller bearing puller V.A.G 1582
Adapter V.A.G 1582/1
Adapter V.A.G 1582/8
- 1 - Internal puller Kukko 21/8
- 4 - Counter-support Kukko 22/2

Note:
Always replace both tapered roller bearings together.
Adjustment work is required when replacing the parts marked with 1).





1 - Transmission housing

2 - Shim "S2"
Note thickness

3 - Outer race for tapered roller bearing (right-side) 1)
Pulling out
Driving in

4 - Inner race for tapered roller bearing (right-side) 1)
Pulling off
Pressing on

5 - Ring gear 1)
Is paired with pinion shaft (final drive set)
Select correct version according to transmission code letters
Drive off housing using a punch
installing onto differential cage

6 - Differential cage1)

7 - Bolt, 30 Nm plus an additional 90° 1/4 turn
Replace
Lightly tighten bolts then tighten in diagonal sequence to correct torque

8 - Inner race for tapered roller bearing (left-side)1)
Pulling off
Pressing on

9 - Outer race for tapered roller bearing (left-side)1)
Pulling out
Pressing in

10 - Shim "S1"
Note thickness

11 - Cover for final drive 1)
With O-ring

12 - One-piece thrust washer
Lubricate with gear oil before installing

13 - Sun wheel
Installing

14 - Differential pinion pin
Drive out with drift after removing spring pin

15 - Spring pin
For securing differential pinion pin
Drive out from differential cage with drift
Pressing in value: 1.5 mm above differential cage

16 - Planetary pinion
^ Installing





Pulling tapered roller bearing outer race (right-side) out of transmission housing
A - Counter-support, e.g. Kukko 22/2
B - Internal puller 56 to 70 mm, e.g. Kukko 21/8

- After removing, check shims for damage.





Driving outer race for tapered roller bearing (right-side) into transmission housing





Pulling off inner race for tapered roller bearing (right-side)
- Before setting up the puller, place thrust pad VW 447 H on differential cage.





Pressing on tapered roller bearing inner race (left and right)

Note:
Use the same tools for pressing on tapered roller bearing inner race on left side and right side.

CAUTION!
Wear protective gloves.


- Heat inner race to approx. 100° C, install in position and press home.





Pulling off inner race for tapered roller bearing (left-side)
- Before setting up the puller, place thrust pad VW 447 H on differential cage.





Pulling tapered roller bearing outer race (left-side) out of cover for final drive
A - Counter-support, e.g. Kukko 22/2
B - Internal puller 56 to 70 mm, e.g. Kukko 21/8

- After removing, check shims for damage.





Pressing tapered roller bearing outer race (left-side) into cover for final drive.





Driving ring gear off cage





Heating ring gear to approx. 100° C and installing
- When installing ring gear, use centralizing pins - A - (shop-made tool) to locate.

CAUTION!
Wear protective gloves.


- Allow to cool slightly before screwing in new securing bolts. Then tighten to specified torque.





Installing differential bevel gears
- Lubricate one-piece thrust washer with gear oil and install.
- Insert sun wheels.
- Insert planet pinions offset 180° and rotate into position - arrow -.
- Drive differential pinion pin into final position and secure.