Rear Flange Shaft Seal, Replacing

Special tools and workshop equipment required

Thrust Plate VW 401
Thrust Plate VW 402
Punch VW 409
Punch VW 412
Punch VW 441
Thrust Piece T40190

Removing

Fig 1: Removing/Installing Circlip On Inner Side Of Cover

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-- Remove the center differential housing. Refer to CENTER DIFFERENTIAL HOUSING, TRANSMISSION INSTALLED .

-- Remove the circlip -arrow- on the inside of the housing.

NOTE:

The circlip secures the flange shaft to the bearing in the housing.

-- Remove the flange shaft -A- from the center differential housing using the VW 409. To do this, place the housing on the VW 401 and VW 402.

Fig 2: Press Flange Shaft Out Of Torsen Differential Cover Using Punch VW 409

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NOTE:

Hold the flange shaft -A- with one hand so that it does not fall out.

-- Pry out the seal.

Fig 3: Prying Out Oil Seal

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NOTE:

Place a pry bar -A- underneath to protect the housing.

Installing

Fig 4: T40190

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-- Coat the outer edge of the shaft seal with axle oil.

Installed position: The open side of the seal faces the housing.

-- Install the new shaft seal all the way in using the T40190. Do not bend the seal.

-- Fill the space between the sealing and dust lip half way with sealing grease G 052 128 A1.

-- Install the flange shaft -A- into the center differential housing using the VW 441 and the VW 412. When doing this, place the housing on the VW 401 and VW 402.

Fig 5: Installing Flange Shaft

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NOTE:

Install the flange shaft just far enough until it is possible to install the locking ring.

-- Install the locking ring -arrow- into the groove on the flange shaft.

Fig 6: Removing/Installing Circlip On Inner Side Of Cover

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-- Install the center differential housing. Refer to CENTER DIFFERENTIAL HOUSING, TRANSMISSION INSTALLED .

-- Fill gear oil in transfer case. Refer to TRANSFER CASE GEAR OIL, FILLING AFTER REPAIR .