Cusser wrote:Poop - the first thing I'd try would be to replace the AC belt with a brand-new high quality Gates brand AC belt. Yours might just be glazed, so try a new belt like Gates (Carquest) and tighten it correctly. It takes a lot of oomph to turn a compessor, and a glazed belt could simply not have enough grab, even if tightened further.
Cusser wrote:From your added info, it sounds to me that the noise/squeal occurs once the current to the AC clutch is disconnected. So that sounds like a bad clutch bearing....should spin freely....turn off engine, take off belt, spin by hand. Do this while engine is hot, and also do when engine cools off....should spin freely when AC not in use, and clutch coil should lock it up when AC compressor gets voltage.
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