So i noticed the other day that when i have the a/c on my car makes a bad sound that gets louder as the rpms rise.
Reminds me of an electric motor winding up or something. Its not really horrible sounding but it just doesn't sound like something that should be normal.
I added some oil and refridgerent to the system. It got a little quiter but it's still there. My car has close to 150k on it now so i figure its probably just the compressor going bad.
Just wondering if anyone has any ideas.