Differential
Differential
Special tools, testers and auxiliary items required
• Thrust plate (VW 401)
• Thrust plate (VW 402)
• Press tool (VW 407)
• Press tool (VW 408 A)
• Thrust pad (VW 447 H)
• Thrust pad (VW 447 i)
• Drift (VW 295)
• Thrust pieces for pinion shaft bearing (VW 470)
• Sleeve (30 - 14)
• Thrust plate (2050)
• Thrust pad (3005)
• Tube (3296)
• Torque wrench (VAG 1332)
• Taper roller bearing puller (VAG 1582)
• Adapter (VAG 1582/1)
• Adapter (VAG 1582/8)
• Internal puller (Kukko 21/8)
• Counter-support (Kukko 22/2)
Removing and installing differential. Refer to => [ Differential ] Differential.
• Always replace both tapered roller bearings together.
• Adjustment work is required when replacing the parts marked with 1). Table of adjustments, refer to => [ Adjustment Table ] Adjustment Table.
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 puller, place thrust pad (VW 447 H) on differential cage.
Pressing on tapered roller bearing inner race (left and right)
• 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 approximately 100 °C, fit in position and press home.
Pulling off inner race for tapered roller bearing (left side)
- Before setting up 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...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 crown wheel off cage
Heating crown wheel to approximately 100 °C and installing
- When installing crown wheel, use centralizing pins - A - (shop made tool) to locate.
CAUTION!
Wear protective gloves.
- Allow to cool slightly before installing bolts. Then tighten to specifications.
Installing differential bevel gears
- Lubricate one piece thrust washer with gear oil and install.
- Insert sun wheels.
- Insert planet pinions offset 180 degrees and rotate into position - arrow -.
- Drive differential pinion pin into final position and secure.