Flanged shaft oil seal (rear), replacing

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2009 Audi A4, 2008 Audi S4, 2008 Audi A4, 2007 Audi S4, and 2007 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Special Tools - Flanged Shaft Oil Seal (Rear), Replacing

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Special tools, testers and auxiliary items required

Thrust plate VW 401
Thrust plate VW 402
Thrust pad VW 447 i
Punch VW 409

Pressure application device T10136

Procedure

Remove Torsen differential cover → Torsen differential cover, removing and installing .

Fig 2: Removing/Installing Circlip On Inner Side Of Cover

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove circlip - arrow - on inner side of cover.

NOTE:

The circlip locates the flange shaft on the bearing in the cover.

Fig 3: Using Punch VW 409 To Press Flange Shaft Out Of Torsen Differential Cover By Placing Cover On Thrust Plate VW 401 And Thrust Plate VW 402

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Using punch VW 409, press flange shaft out of Torsen differential cover by placing cover on thrust plate VW 401 and thrust plate VW 402.

NOTE:

Hold flange shaft - A - with one hand to prevent it from falling.

Fig 4: Prying Out Oil Seal

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Pry out oil seal.

NOTE:

To prevent damage to the housing, place something underneath (e.g. metal bar - A - ).

Fig 5: Placing Torsen Differential Cover On Pressure Application Device T10136

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Place Torsen differential cover - A - on pressure application device T10136.

NOTE:

The peg in the middle of the tool is centered and faces upward in the cover. It serves as a guide and stop for pressure application device T10136/1.

Lubricate outer circumference of seal with gear oil
Push new seal onto pressure application device T10136/1.

Installation position: open side of seal faces cover.

Fig 6: Inserting Pressure Application Device T10136/1 With Seal Into Cover From Above

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Insert pressure application device T10136/1 with seal into cover from above.

NOTE:

The peg of the pressure application device T10136 serves as a guide from below and also as a stop for press tool T10136/1.

Drive new seal in onto stop (take care to keep seal straight).
Pack space between sealing lip and dust lip half full with sealing grease G 052 128 A1 .

Fig 7: Pressing Flange Shaft Using Punch VW 409 And Thrust Pad VW 447 I Into Torsen Differential Cover By Placing Cover On Thrust Plate VW 401 And Thrust Plate VW 402

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Press flange shaft using punch VW 409 and thrust pad VW 447 i into Torsen differential cover by placing cover on thrust plate VW 401 and thrust plate VW 402.

NOTE:

Only insert flange shaft as far as necessary to install circlip.

Fig 8: Removing/Installing Circlip On Inner Side Of Cover

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Install circlip - arrow - in groove of flange shaft on inner side of cover.
Install Torsen differential cover → Torsen differential cover, removing and installing .
Top off transfer gear oil → Transfer gear oil, topping off after repairs