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#1
10-11-1999, 01:30 PM
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I know this has been discussed before, but I just want to know for sure in my situation what to do. It is a 1987 300E with 154k and when it starts and is cold, the chain makes that thwacking sound until the oil gauge hits 3. That is all i can hear, so based on this and the fact that it is the original chain, should I have it done? Will changing it improve performance/economy? Also, what is a ballpark estimate on cost to do the job?
Much thanks in advance ------------------ Chris '87 300E |
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#2
10-11-1999, 05:23 PM
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Check the chain tensioner. Chain rattle on start-up could be the tensioner is leaking and loosing pressure when not in use, [ not holding]. It retightens the chain after the oil pressure re-fills it.
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#3
10-11-1999, 09:18 PM
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These have a ratchet type tensioner that rarely fail. I would bet that your sound is the valve lifters a little noisy. No problem.
------------------ Benzmac: 1981 280GE SWB 1987 16V ASE CERTIFIED MASTER AUTO TECHNICIAN SERVICE MANAGER FOR 14 BAY FACILITY MERCEDES SPECIALIST 8 YRS PARTNER IN MERCEDESSHOP.COM |
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