Left flange shaft oil seal, replacing
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2009 Audi A4, 2008 Audi A4, 2007 Audi A4, 2006 Audi A4, and 2005 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
Special tools, testers and auxiliary items required
- Extractor lever VW 681
- Driver 2062
Work procedure
- Transmission installed
- Remove left flange shaft → Left flange shaft, removing and installing .
- Pull out sealing ring for flange shaft using extractor lever VW 681.
NOTE:
- Do not damage seating surfaces for oil seal.
Setup of flange shaft with polygon bearing
- Flange shaft
- Needle bearing (polygon bearing)
- Spacer ring
- Circlip
- Not installed
NOTE:
- If the polygon bearings do not run smoothly with the flange shaft removed, this does indicate that the bearings are faulty. A test for noisy bearings can only be performed with the bearings installed.
- Watch for damage to the polygon bearings (e.g. cracks in bearing outer ring)
- If polygon bearings are damaged, flange shaft must be replaced.
- Coat outer edge and sealing lip of oil seal with axle oil.
- Installation position: The open side of the sealing ring faces the transmission.
Fig 5: Driving In New Sealing Ring For Left Flange Shaft Uniformly Using Driver Below Surface Of Cover
- Drive in new sealing ring for left flange shaft uniformly using driver 2062 5.5 mm below surface of cover, do not cant when doing so.
NOTE:
- If reinstalling an old flange shaft, the seal must be driven in approx. 6.5 mm so that the new seal does not sit on the running surface of the old seal.
- Install left flange shaft → Left flange shaft, removing and installing .
- Check gear oil level in front final drive → Gear oil level in front final drive, checking .