Bearings For Torsen Differential, Servicing

Bearings for Torsen differential, servicing
Special tools, testers and auxiliary items required:
^ Thrust plate VW 401
^ Thrust plate VW 402
^ Press tool VW 407
^ Press tool VW 412
^ Press tool VW 432
^ Thrust plate VW 447h
^ Clamping sleeve 3116
^ Thrust piece 31 18
^ Separating device 22-1 15 mm, e.g. Kukko 1 7/2
^ Internal puller 30-37 mm, e.g. Kukko 21/5
^ Counter support e.g. Kukko 22/1





1. Ball bearing for Torsen differential
^ Pressing out, Refer to Fig. 1
^ Pressing on , Refer to Fig. 2
2. Torsen differential
^ Can only be serviced by manufacturer
3. Inner race for needle bearing for Torsen differential
^ Pulling off, Refer to Fig. 3
^ Pressing on, Refer to Fig. 4
4. Needle - bearing for drive pinion/Torsen differential
^ Pulling out, Refer to Fig. 5
^ Pressing in, Refer to Fig 6

Note: The shims for the Torsen differential must be re-determined after replacing the following parts, Refer to Bearing Housing, Torsen Differential, End Cover, Internal Selector Mechanism, Input Shaft, Drive Pinion and Hollow Shaft, Removing and installing and (Assembly Sequence)
^ End cover
^ Inner race for needle bearing
^ Torsen differential
^ Ball bearing for Torsen differential





Fig. 1 Pressing off ball bearing for Torsen differential
A - Separating device 22-115 mm, e.g. Kukko 17/2





Fig. 2 Pressing on ball bearing for Torsen differential
^ Press piece 3118 with shoulder towards press tool VW 412





Fig. 3 Pulling off inner race for needle bearing for Torsen differential
A - Inner race
B - Separating device 22-115 mm, e.g. Kukko 17/2





Fig. 4 Pressing on inner race for needle bearing for Torsen differential





Fig. 5 Pulling out needle bearing for drive pinion/Torsen differential
A - Internal puller 30-37 mm, e.g. Kukko 21/5
B - Counter support, e.g. Kukko 22/1





Fig. 6 Pressing in needle bearing for drive pinion/Torsen differential
- Press in needle bearing flush.