belt/tensioner noisy
#1
belt/tensioner noisy
My 2000 with a 3.8 has been making noise fora while now. It is coming from the serpentine belt or tensioner I'm guessing. The belt does not squeal but it's more of a light rattling noise. I've changed the belt 2 times and each time it will stop making noise for a few days then it comes back gradually. I've changed the tensioner 2 times andeach time the noise will go away for a few days then come back. If I spray silicone onto the the belt at any spot on the belt the noise immediately stops but will come back again shortly thereafter. When I have the belt off all of the pulleys seem to spin freely without any wobble or freeplay. Any ideas? Thanks.
#2
RE: belt/tensioner noisy
Are each of the pulleys aligned? Silicone will reduce the friction of the belt on a pulley and as the silicone wears off a mis-aligned pulley may make bearing noise in the component (alternator, compressor, etc). Just a guess.
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