mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Timing Component Alignment Marks > < Removing and Installing Chain Tensioner|Page 2857
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Timing Chain Tensioner: Service and Repair
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.

Timing Component Alignment Marks > < Removing and Installing Chain Tensioner|Page 2857