Can't get A/C belt around pulleys on my 01 Chevy Tracker 2.5 V6
The belt typically won't squeal when too tight, it will just put more wear and tear on the components. I would recommend removing the belt, and cleaning the pulley with brake parts cleaner and a tooth brush. There is probably some sort of residue on the pulley, which is allowing the belt to slip when the a/c clutch engages. If this doesn't help, make sure all of your pulleys are aligned. Use a long straight edge to check their alignment with each other. If they aren't close to perfectly straight, it will cause the belt to ride funny and squeal when the a/c clutch engages.
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