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.

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.

N12: