Input Shaft Seal, Replacing

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The input shaft seal may be leaking if Automatic Transmission Fluid (ATF) is leaking from underneath the transmission bell housing.
Input shaft seal must be replaced if leaking.

Special tools and workshop equipment required

Puller - Driveshaft Seal T40014
Seal Installer - Driveshaft T40167

Procedure

The transmission is removed.

NOTE:

Refer to REPAIR INFORMATION .

Refer to GUIDELINES FOR CLEAN WORKING CONDITIONS .

-- Remove the dual mass flywheel. Refer to DUAL MASS FLYWHEEL, REMOVING AND INSTALLING .

-- Rotate Puller - Driveshaft Seal T40014 by hand into shaft seal until the tool has a good hold in the shaft seal. Then tighten the tool with a wrench.

Fig 1: Removaing Seal Using Seal Puller T40014

Courtesy of AUDI OF AMERICA, LLC

NOTE:

The illustration shows a different transmission.

-- You can pull out shaft seal a short distance by screwing in rear bolt of puller.

-- Retighten Puller - Driveshaft Seal T40014 so that puller engages securely in shaft seal again and continue turning screw to pull out shaft seal.

-- Repeat the process until the shaft seal is removed completely.

Input shaft must be installed in order to install the shaft seal.

-- Coat the new shaft seal -A- with Automatic Transmission Fluid (ATF).

Fig 2: Coating New Shaft Seal -A- With ATF

Courtesy of AUDI OF AMERICA, LLC

-- Install the sealing ring on the input shaft being careful not to touch the splines on the shaft.

Installed position: Open side of shaft seal faces transmission.

NOTE:

The shaft seal can be damaged if it touches the input shaft splines.

Slide shaft seal as far as possible into cover so that it cannot bend when driving in.

-- Mount the sealing ring using the Seal Installer - Driveshaft T40167 all the way without bending it.

Fig 3: Installing Sealing Ring With T40167

Courtesy of AUDI OF AMERICA, LLC

-- Install the dual mass flywheel. Refer to DUAL MASS FLYWHEEL, REMOVING AND INSTALLING .

-- After installing the transmission check the ATF level and correct. Refer to ATF LEVEL, CHECKING .