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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Transmission >> Manual Trans >> Final Drive, Differential Servicing - 7-Speed Dual Clutch Transmission >> 39 Final Drive, Differential >> Center Differential >> Transmission Output Shaft Seal, Replacing

Transmission Output Shaft Seal, Replacing

Special tools and workshop equipment required 

Procedure 

-- Remove the driveshaft. Refer to DRIVESHAFT, REMOVING AND INSTALLING .

-- Pry off the dust ring -1-.

Fig 3: Identifying Dust Ring
GWWA39-10421Courtesy of AUDI OF AMERICA, LLC

Tip:

-- Remove the seal for the transmission output shaft with splines.

Fig 4: Dust Ring Cannot Be Removed Without Destroying It
GWWA39-10418Courtesy of AUDI OF AMERICA, LLC

-- Clean the running and sealing surface.

-- Coat outer edge of the seal with gear oil.

-- Mount the Seal Installer - Output Shaft: T40239/1  -item 1- on the transmission output shaft with splines.

Fig 5: Identifying Oil Seal, Installation
GWWA39-10419Courtesy of AUDI OF AMERICA, LLC

-- Fill the space between the sealing lip and the dust lip halfway with Sealing Grease.

-- Install the seal -2- over the guide sleeve -1- and onto the transmission output shaft.

-- Install the seal all the way using the Seal Installer - Output Shaft: T40239  , -item 1-. Do not tilt the seal.

Fig 6: Install Shaft Seal Using T40239
GWWA39-10420Courtesy of AUDI OF AMERICA, LLC

-- Remove the Seal Installer - Output Shaft - Guide Sleeve 1: T40239/1  from the seal carefully so that the sealing lip does not fold over.

-- Install a new dust ring -1-.

Fig 7: Identifying Dust Ring
GWWA39-10421Courtesy of AUDI OF AMERICA, LLC

-- Install the driveshaft. Refer to DRIVESHAFT, REMOVING AND INSTALLING .