Transmission Output Shaft Seal, Replacing, Transmission Output Shaft With Splines With Vibration Damper

WARNING: This page is about a different car, the 2013 Audi S4, 2012 Audi S4, 2011 Audi S4, and 2010 Audi S4. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Press Plate VW402
Press Piece - Multiple Use VW412
Press Piece - Press Tube 30-100
Puller - Crankshaft/Power Steering Seal T20143
Seal Installer - Output Shaft T40239
Sealing Grease G 052 128 A1

Procedure

-- Remove the center differential housing. Refer to CENTER DIFFERENTIAL HOUSING, REMOVING AND INSTALLING .

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

Courtesy of AUDI OF AMERICA, LLC

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

NOTE:

The circlip secures the transmission output shaft to the bearing in the housing.

-- Carefully remove the transmission output shaft from the center differential housing using a copper mandrel.

NOTE:

To remove the transmission output shaft, secure the center differential housing in a vice or have a second technician hold it tight.

NOTE:

Ignore item -2-.

-- Pry out the shaft seal -1-.

Fig 2: Prying Out Shaft Seal

Courtesy of AUDI OF AMERICA, LLC

Installing Shaft Seal

-- Coat the outer edge of the shaft seal with transmission fluid.

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

-- Drive in the shaft seal all the way using the Thrust Piece, item -1- from the Seal Installer - Output Shaft T40239. Do not bend the seal (as illustrated).

-- Fill the space between the sealing and dust lip halfway with Sealing Grease G 052 128 A1.

Fig 3: Installing Shaft Seal Using T40239

Courtesy of AUDI OF AMERICA, LLC

-- Install the transmission output shaft into the center differential housing as follows:

-- Install the transmission output shaft into the center differential housing from underneath.

-- Position the housing and transmission output shaft on the Press Plate VW402 under the shop press.

-- Mount the Press Plate 30-100 on the ball bearing inner race.

-- Install the transmission output shaft.

Fig 4: Identifying Tool Set Up For Shaft Installation

Courtesy of AUDI OF AMERICA, LLC

-- Install the locking ring -arrow- into the groove on the transmission output shaft.

Fig 5: Removing/Installing Circlip On Inner Side Of Cover

Courtesy of AUDI OF AMERICA, LLC

-- Install the center differential housing. Refer to INSTALLING .