Operation CHARM: Car repair manuals for everyone.

Differential, Disassembling and Assembling



Differential, disassembling and assembling, 02X, 6 Spd. M/T AWD

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

Removing and installing differential.

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





1 - Transmission housing 1)
2 - Shim "S2"
^ Note thickness
^ Table of adjustments

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 from Parts catalog according to transmission code letters
^ Drive off housing using a punch
^ installing onto differential cage

6 - Differential cage 1)
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
^ Table of adjustments

11 - Cover for final drive
^ 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 tight side.

CAUTION: Wear protective gloves.

- Heat inner race to approximately 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 approximately 100o 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 1800 and rotate into position - arrow - Drive differential pinion pin into final position and secure.