Final Drive/Transmission Housing Oil Seal, Replacing

Final drive/transmission housing oil seal, replacing - 09L, 6 Speed AWD A/T





Special tools, testers and auxiliary items required

^ Drip tray V.A.G 1306
^ Extractor lever VW 681
^ Thrust piece T10139

Requirements

^ Transmission is removed
^ Transmission mounted on assembly stand.

CAUTION!
Do not place transmission down on the oil pan.

Procedure

Note:
^ A faulty seal allows gear oil to enter the torque converter bell housing.
^ General repair instructions.
^ Read the rules for cleanliness when working on the automatic transmission.

- Remove transmission support (right-side).
- Place drip tray V.A.G 1306 under transmission.
- Remove flange shaft (right-side).





- Remove bolts on final drive cover in sequence - 11 to 1 - and remove cover together with outer race for tapered roller bearing and shim.

Note:
^ Thickness of shim has been measured to fit; the shim must not be replaced with another shim of different thickness.





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

Note:
^ Thickness of shim has been measured to fit; the shim must not be replaced with another shim of different thickness.





- Remove flange shaft (left-side) Go To Flange shaft (left-side), removing and installing Flange Shaft (Left-Side), Removing and Installing.
- Remove seal.

Note:
^ The oil seal extractor lever VW 681 must be applied behind the two sealing lips of the oil seal. Do not apply the lever to the outer circumference of the seal, as this would damage the sealing surface in the transmission. Guide the lever carefully when removing the seal.

- Examine oil seal seat in transmission housing for damage; reface surface if necessary.
- Lightly lubricate outer circumference and sealing lip of oil seal with gear oil.

Note:
^ Push the seal onto the thrust piece with the protruding sealing lip of the seal facing the tool.





- Drive in new oil seal as far as stop using thrust piece T10139.





- Insert shim - 2 - and tapered roller bearing outer race - 1 - for differential onto stop in transmission housing by hand.

Note:
^ Make sure that shim and outer race are kept straight when inserting.





- Replace O-ring - arrow -.
- Install differential in transmission housing.

Note the following if the outer race for tapered roller bearing and the shim have dropped out of the final drive cover:

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





- Tighten bolts of cover for final drive as follows.





- Install flange shaft (left-side).
- Install flange shaft (right-side).
- Install transmission support (right-side).
- Check oil level in front final drive.