Front Crankshaft Seal: Service and Repair

11 14 141 - Replacing radial shaft seal in lower timing case cover (N63)





Special tools required:





Necessary preliminary tasks:
- Removing vibration damper Service and Repair





Position all levers (2) horizontally to pull off radial shaft seal (1).
Turn back spindle of special tool 11 9 410 until all levers (2) can be positioned on sealing lip.





Turn all levers (2) so that they grip behind radial shaft seal (1).
Turn spindle (3) on special tool 11 9 410 to remove radial shaft seal (1).





Note:
Radial shaft seal (1) may only be supported with "support sleeve" (2).

If the radial shaft seal (1) is stored for more than six months without the support sleeve (2), its operational reliability will no longer be guaranteed.

Radial shaft seal (1) must not be reused in this eventuality!

Important!
The sealing lip of the radial shaft seal (1) is highly sensitive and must not be kinked under any circumstances.
Do not touch the sealing lip with your fingers.

Remove support sleeve (2) from radial shaft seal (1).





Fit radial shaft seal (1) on lower timing case cover.





Using special tool 11 9 420 and central bolt (3), screw radial shaft seal into lower timing case cover until flush.





Assemble engine.