Differential, disassembling and assembling: 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.

Fig 1: Identifying Special Tools - Differential, Disassembling And Assembling (1 Of 3)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

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

Fig 2: Identifying Special Tools - Differential, Disassembling And Assembling (2 Of 3)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

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

Fig 3: Identifying Special Tools - Differential, Disassembling And Assembling (3 Of 3)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

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 → Differential, removing and installing .

NOTE:

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

Fig 4: Differential Remove/Install Components

Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - Transmission housing ¹⁾

2 - Shim "S₂ "

Note thickness
Table of adjustments → Table of adjustments

3 - Outer race for tapered roller bearing (right-side)¹⁾

4 - Inner race for tapered roller bearing (right-side)¹⁾

Pulling off Pulling off inner race for tapered roller bearing (right-side)
Pressing on Pressing on tapered roller bearing inner race (left and right)

5 - Ring gear¹⁾

Is paired with pinion shaft (final drive set)
Select correct version according to transmission code letters
Drive off housing using a punch Driving ring gear off cage
installing onto differential cage HEATING RING GEAR TO APPROX. 100° C and installing

6 - Differential cage¹⁾

7 - Bolt, 30 Nm plus an additional 90° ¹ /₄ turn