AC compressor

Perla Keenan

Asked by Jul 22, 2016 at 08:52 PM about the 2003 GMC Yukon Base

Question type: Maintenance & Repair

I have a 2003 GMC Yukon I replace the belt 4
times and the AC tensioner as well for time I took
it to two different dealers and they don't know
what it could be when I turn the truck on and turn
the AC on the belt tensioner starts to jump crazy I
thought it was a belt that was too tight I bought
another belt a quarter bigger and it still do the
same thing just replaced it yesterday 4X a month
this happen and now that AC compressor turns on
and then turns off don't know what it is dealer
wants me to leave my truck there overnight and I
know how expensive that can help please

1 Answer


It might be normal. My neighbor's Son just bought a 2000 Blazer (similar vehicle) and his tensioner does the exact same thing. He was also concerned about it. I told him as long as the belt doesn't fall off or squeal, I'd leave it alone. If it works, don't fix it. HTH. -Jim

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