- Jun 24, 2002
- San Francisco, CA
My Avalanche is really starting to sound like a wheezy compressor upon cold start-up. I'm guessing it's belt whine but there's some "Chuffing" to go along with the annoying "chirping." It's LOUD and embarassing when alongside other cars at a light. This truck has only about 15K on it and the belt appears fine. The sounds do eventually go away, but only after about 15 minutes.....Any ideas?