What makes my 2001 chevy silverado airconditioning make a hissing sound when my air is on
When I turn my fan on and start moving my ac makes a hissing sound like a pop off valve but still has cold air goes away when I turn the fan off
Cars & Trucks - AC
Answers & Comments
Check the bearing in the end of the blower motor. They go bad and make a noise and over time will start rubbing and squealing like crazy.