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Old 01-05-2003, 03:40 PM
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Join Date: Mar 2001
Posts: 21
Timing chain tensioner 1976 230/4 123 series

Dear Friends

I recently replaced the head gasket on this car. It runs perfectly but I now have a metallic clanking from the front general vicinity where the timing chain is located.

Could a non or mal-functioning chain tensioner give this kind of symptom? My tensioner has a hex cap that seems to give access --but once removed all that one sees is a small round hole and no sign of anything that can be adjusted . Tomorrow I am planning to remove the whole device, hoping that if it's replaced or (adjusted??) this clanking noise will go.

Any views , tips or diagnostic suggestions will be very much appreciated.


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Old 01-05-2003, 03:53 PM
engatwork's Avatar
Join Date: May 2000
Location: Soperton, Ga. USA
Posts: 11,232
Where's the spring???

I would be surprised if there is any difference between the diesel (I am familiar with it) and the gasoline tensioner but there should be a spring underneath that hex cap that will make it cumbersome to re-install it and make it "spring" out when you remove it. Maybe someone removed it to make it easier to reassemble?
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