Posts Tagged: ac compressor noise
Car AC compressor noise
What causes car AC compressor noise? I often see questions on auto forums where the posters ask about car AC compressor noise when they use their AC. Here are the most common AC noises. AC compressor noise — Squeal or screech when the compressor engages Ac Compressor Belt issues This noise is most often due to too little tension on the AC belt. The squeal is caused by the belt slipping around the AC compressor pulley. See this post on how to test to see if the problem is caused … Read More
AC Compressor Noise
Diagnose and fix AC compressor noise on startup AC compressor noise on startup—GM has issued a technical service bulletin #07-01-38-010A to address an AC compressor noise on startup. If your AC compressor makes noise 07-01-38-010A, read this article. 2007-2008 Cadillac Escalade Models 2007-2008 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2007-2008 GMC Sierra, Yukon Equipped With Air Conditioning (RPOs CJ2 or CJ3) The AC compressors in these vehicles are mounted towards the bottom of the engine. As a result, liquid refrigerant and refrigerant oil can pool in the compressor after shutdown. On … Read More