Torsen housing and Torsen differential, removing and installing: Notes

WARNING: This page is about a different car, the 2008 Audi A4, 2007 Audi A4, 2006 Audi A4, and 2005 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

The Torsen housing can also be removed when the transmission is in the vehicle → Torsen housing, removing and installing (with transmission installed) .

Fig 1: Torsen Housing And Torsen Differential Remove/Install Components

Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - Torsen housing

With or without vibration damper, depending on design
Removing and installing → Disassembling and assembling sequence
Disassembling and assembling → Torsen housing, disassembling and assembling

2 - Bolt, 10 Nm plus an additional 45° ¹ /₈ turn

3 - Spring

Fit onto flange shaft in Torsen housing
Outside diameter: approx. 35 mm

4 - Torsen differential

Can only be serviced by manufacturer
Pressing off ball bearing from Torsen differential Pressing ball bearing off Torsen differential
Pressing ball bearing onto Torsen differential Pressing ball bearing onto Torsen differential

5 - Spring

Fit onto pinion shaft/hollow shaft
Outside diameter: approx. 31 mm

6 - O-ring

Always replace
Lubricate with gear oil

7 - Transmission

Mounting on assembly stand → Disassembling and assembling sequence