Quote:
Originally Posted by triacon
Update... I replaced the water pump (with some complications) and the sound went away. So, it may have been the water pump, or perhaps when I reassembled, I may have tightened up the belts more. However, the belts seemed pretty tight on the alternator to begin with...
Thinking of selling this 1985 300SD. Should I post a message on this forum if and when I want to sell it?
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Especially because of the issues with the harmonic balancers on these cars. My tensioning of the alternator belts is simply. I tighten them till I can no longer turn the alternator fan by hand.
Most new belts I have installed over the years either stretch a little or in conforming to the old pulleys need a retensioning not too long after the initial installation. One way to avoid this may be to overtighten belts initially but that also may cause undo stress.