AC blows cold but engine revs down and causes belt to squeal.
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Model: Cherokee (XJ)
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It also does it with defrost. It also cause my belt to loosen which causes the squeal. I tighten it and the squeal goes away for a few weeks. Is it the clutch going bad or the whole thing?
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Year: 1995
Model: Cherokee(XJ)
Engine: I6 4.0L
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Could just be a bad belt or you're not tightening the lock nut on the belt tensioner. Squealing that goes away when the belt is tightened is a problem with the belt. Try a new Continental Elite (formerly Goodyear Gatorback) on it and make sure you tighten the lock-nut and pivot bolts when you've got the belt fully tight and see if that solves the problem.
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