Timing Chain Tensioner: Service and Repair

11 31 090 - Installing and removing/replacing chain tensioner piston (N12)





Necessary preliminary tasks:
- Remove throttle valves.





Release chain tensioner (1).
Tightening torque:11 31 4AZ Mechanical Specifications.

Important!
Have a cleaning cloth ready. A small quantity of engine oil will emerge after the screw connection has been released.
Make sure no oil runs onto the belt drive.

Installation:
Replace sealing ring.





Assemble engine.