The air conditioning compressor may develop an abnormal noise and require replacement. We recommend that whenever an AC compressor is being replaced for a noise condition, a filter kit should be installed to prevent any metal particles in the system from damaging the new compressor.
Abnormal Noise From AC Compressor on GMC 1500 Pickup
Average mileage: 153,000 (153,000–153,000)
12 people reported this problem
Recently overhauled this 4.3L due to quick connect fitting breaking off an causing overheating. Engine now runs great however, there is a bad vibration with the a/c on between idle speed and 1300 rpms.Only makes this vibration with a/c on and stops above 1300 rpm,s. A/C compressor replaced with new 6 months ago.
Growling compressor accompanied with a high pitch whine, that pierces one's ears.