Valve Guide Seal: Service and Repair

11 34 560 Replacing all valve stem seals (N18)

Special tools required:





Necessary preliminary work:
^ Remove cylinder head.
^ Remove exhaust camshaft.
^ Remove intake camshaft.
^ Remove roller cam follower.
^ Remove all valve springs.





Firmly press special tool 11 1 480 onto old valve stem seals.

Detach valve stem seal from valve stem by turning and simultaneously pulling special tool 11 1 480.

Installation note:
Insert all valves.





Installation note:
Fit the assembly sleeves (plastic sleeves) supplied in the new part on the valve stem end.

Lubricate assembly sleeve.

Press on valve stem seal with special tool 11 6 380 by hand up to stop.





Assemble engine.