Rattling Noise From AC Belt Tensioner on GMC Sierra 1500 HD

Problem Description and Possible Solution

A rattling noise may develop from the AC belt tensioner. This can be caused by an internal fault with the AC compressor, AC performance may also be diminished when this occurs. Our technicians tell us that replacing the ac compressor will commonly correct this concern.

 

Problem Data
RepairPal Verified
Average mileage: (–)
1 model year affected: 2001
1 person reported this problem