If the tensioner is the same as the inline 4 and 6 petrol motors, then there is a spring and ratchet mechanism in there which would not be affected by oil pressure. Timing chain rattle is a different sound to the ticking produced by lifters and such. Old oil will make the ticking louder and longer.

Hendrik

Kaleb C. Striplin wrote:
Should not take more than about 10 minutes to change, just take 2 bolts off, pull it out, put new one in, install bolts.

Loren Faeth wrote:
How long/difficult of a job is it to change the tensioner on the 3.8 gasser? How much stuff has to be taken off to get to the tensioner? Anyone able to get me the pdf for that job? (1985 380SL)

Daughter's Sl makes quite a clatter at startup at the front of the right bank. It only lasts a second. Sounds like a tensioner leaking down to me. Anybody got a better idea? ~130k on the car. Chain is probably a little loose, but shouldn't need changing yet.

Loren Faeth




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