I have a 91 Grand Am w/ 2.5L automatic.
I had to replace the alternator and belt about a year or so ago.
Within a week it threw the belt.
I bought a more reliable brand of belt and it lasted a few months and
threw it too.
I bought another belt and replaced the alt. again but I looked at it a
little while ago and the belt is chewed up. Most of the "ribs" are gone.
Alot of rubber dust on the bracket from the belt.
What is causing the belts not to last?
The pulleys seem to be lined up properly.
The belt tension seems to be ok. I have had several "shadetree
mechanics" look at it and agree the tension is ok.
It squeals a little bit at an idle but when the a/c is turned on I hear
a bad squeal for about 5 to 10 seconds at an idle.
I have checked the a/c belt and it looks fine. Tension is ok on it too.
The a/c and the alt. belt are on different pulleys.
I cant find anything that looks like it could cause a problem….
HELP!!
Thanks
Chuck
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