Quote:
Originally Posted by Anker
Worn cam chain tensioner pads. The brown bits are pieces off the pads.
If the chain gets loose enough it can skip a tooth. Try turning the engine manually and see if you can get the slots for the cam locking tool to line up. As far as I remember they should both be vertical at the same time. That should give you a clue.
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I agree. I had the same issue with mine, the chain pads wore out and one completely slipped out of the way and got the chain loose. Take a look at my show&tell thread, that may give you an idea how deeply you will have to dig into the engine. I think it`s possible to fix it without pulling the engine out, it`s not an easy job though with the engine in place.
Boxster
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