Replacing Oil Non Return Valve of Chain Tensioner

NOTE: Numbers in parentheses ( ) indicate a component or tool in the associated illustration.

1. Remove timing chain cover.
2. Remove tensioning rail.





3. Pull off oil non-return valve (8) with suitable pliers.
4. Install new oil non-return valve (8) by hand.

NOTE: The oil non-return valve (8) prevents the oil reservoir for the chain tensioner in the timing case cover running dry when the engine is not operating.