1996 Plymouth Voyager Q&A
1996 Plymouth Voyager Question: squealing belt
It could be both, but it sounds like your A/C compressor has seen better days and needs to be replaced, Here is our estimator guide for pricing in your area. http://repairpal.com/estimator?car_type_id=1710 - Johnny Mopar
Belt squeels only when defrost is turns on. other heat settings work fine with no issue or squeel.