Left Flange Shaft Seal

WARNING: This page is about a different car, the 2010 Audi A4 and 2009 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

A defective shaft seal will allow gear oil to enter the torque converter bell housing.

Special tools and workshop equipment required

Oil Collecting and Extracting Device V.A.G 1782
Extractor Lever VW 681
Thrust Piece T10139

Procedure

Transmission removed and mounted to the engine/transmission holder. Refer to TRANSMISSION, SECURING IN ENGINE/TRANSMISSION HOLDER .

NOTE:

Automatic transmission clean working conditions, refer to CLEAN WORKING CONDITIONS .

General repair instructions, refer to REPAIR INFORMATION .

CAUTION:

There is a risk of damaging the transmission.

Do not place the transmission on the ATF cooler or oil pan.

-- Place the V.A.G 1782 under the transmission.

-- Remove the right flange shaft. Refer to RIGHT FLANGE SHAFT .

-- Remove the front final drive cover in a sequence opposite the tightening sequence that is illustrated.

Fig 1: Front Final Drive Cover - Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Remove the front final drive cover together with the tapered roller bearing outer race and the adjustment shim.

NOTE:

The shim must be the correct size and must not be replaced by a shim with a different thickness.

-- Remove the differential.

-- Remove the outer race for the differential tapered roller bearing -1- and the shim -2- located behind it from the transmission housing by hand.

Fig 2: Identifying Tapered Roller Bearing Outer Race For Differential And Shim

Courtesy of AUDI OF AMERICA, LLC

NOTE:

The shim must be the correct size and must not be replaced by a shim with a different thickness.

-- Remove the left flange shaft. Refer to LEFT FLANGE SHAFT .

Fig 3: Pulling Out Oil Seal

Courtesy of AUDI OF AMERICA, LLC

-- Remove shaft seal.

NOTE:

Extractor lever must be positioned behind both sealing lips of the shaft seal. Do not position at outer circumference of shaft seal, otherwise the contact surface in transmission housing will be damaged. Guide the release lever carefully while prying out.

-- Examine shaft seal seat in transmission housing for damage; if necessary rework.

-- Coat outer circumference and sealing lip of shaft seal with axle oil.

NOTE:

Push shaft seal onto pressure piece so that the projecting sealing lip of seal faces the tool.

-- Drive on in new shaft seal as far as stop.

Fig 4: Driving In New Oil Seal As Far As Stop Using Thrust Piece T10139

Courtesy of AUDI OF AMERICA, LLC

-- Insert the shim -2- and the outer race for the differential tapered roller bearing -1- into the transmission housing by hand as far as the stop.

Fig 5: Identifying Tapered Roller Bearing Outer Race For Differential And Shim

Courtesy of AUDI OF AMERICA, LLC

-- Replace the O-ring -arrow-.

Fig 6: Differential Cover O-Ring

Courtesy of AUDI OF AMERICA, LLC

-- Insert the differential into the transmission housing.

If the tapered roller bearing outer race and the shim have fallen out of the front final drive cover:

-- Lubricate the shim and tapered roller bearing outer race with gear oil and insert them into the front final drive cover as far as the stop.

-- Tighten the front final drive cover bolts Figure.

Fig 7: Front Final Drive Cover - Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Install the left flange shaft. Refer to LEFT FLANGE SHAFT .

-- Install the right flange shaft. Refer to RIGHT FLANGE SHAFT .

-- Axle oil, adding to transmission after repair. Refer to GEAR OIL IN FRONT FINAL DRIVE, FILLING AFTER REPAIR .