Torsen differential bearing, servicing: Notes

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2008 Audi S4, 2008 Audi RS 4, 2007 Audi S4, 2007 Audi RS 4, and 2006 Audi S4. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Special Tools - Torsen Differential Bearing, Servicing

GW00019313

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Special tools, testers and auxiliary items required

Pressure plate VW 401
Pressure plate VW 402
Punch VW 407
Punch VW 412

Thrust piece VW 432
Sleeve 40 - 103

Special tools, testers and auxiliary items required

- 1 - Internal extractor Kukko 21/5
- 3 - Separating tool Kukko 17/2

Fig 2: Kukko 21/2 Internal puller, Kukko 21/4 Internal puller, Kukko 22/2 Counter support

GW00001457

Courtesy of VOLKSWAGEN UNITED STATES, INC.

- 4 - Support Kukko 22/1

Fig 3: Identifying Grooved ball bearing,

GW00019314

Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - Grooved ball bearing

Pressing off Pressing off grooved ball bearing from Torsen differential
Pressing on Pressing grooved ball bearing onto Torsen differential

2 - Torsen differential

Do not disassemble
Service by manufacturer only
Replace if damaged

3 - Needle bearing

For drive pinion in torsen differential
Pulling out Pulling out needle bearing
Pressing in Needle bearing, pressing in