Discovered a pretty significant oil leak at my timing chain tensioner. Anyone know w
 

The washer a high failure part?

Ez cure?


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It would help if you posted your car model.

Crush washer on the chain tensioner or upper timing cover gasket/o-ring for a 4.4i.

Discovered a pretty significant oil leak at my timing chain tensioner. Anyone know w
 

Oops, standard e53, 3.0i
M54B30
I can see oil drip coming from the timing chain tension with a mirror. Maybe just replace the crush washer?

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Yep. I've tried to reuse and tighten on the M62 and it leaked like a sieve.