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j_ramsey, ASE Certified Technician
Category: Car
Satisfied Customers: 972
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2000 jeep cherokee classic: very loud squeal on occasion..belt

Customer Question

A 2000 jeep cherokee classic motor 4.0liter very loud squeal on occasion when starting! New serp belt on motor! If defrost turned off it stops right away! Could it be a bad ac compresser
Submitted: 9 years ago.
Category: Car
Expert:  j_ramsey replied 9 years ago.
Yes, it will most likely be a bad a/c compressor or the clutch on the compressor. Most times it is the compressor though.
Customer: replied 9 years ago.
Reply to j_ramsey's Post: I don't think I should have to pay for answering my own question!
Expert:  j_ramsey replied 9 years ago.

One thing you might check for before condemning the compressor though is to make sure the drive belt is tight.