Quote:
Originally Posted by slowlanemcvane
My A/C blows cold, but a few days ago a grinding sound started. My X5 ate a belt, which I replaced. The tensioner is in good shape, but the noise is only getting worse. I tracked it down to the A/C compressor. Sounds like the pulley bearing is shot. Has anyone replaced the bearing? Is it possible? If not, has anyone replaced the compressor itself? Writeups make it look fairly straightforward, but any insight would be appreciated. Thanks, all.
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My A/C blew nice and cold until yesterday. I started up the car, A/C was working but I was hearing not so much a grinding but definite metal/metal pinging. I was concerned it was the engine, so I popped the hood and tried to locate the sound. Couldn't tell for sure except it seemed to be coming from either the front of the engine passenger side or in front of that.
Thought I would check for codes, so I put on a code reader, and it was clear (no faults) and all numbers looked good. No misfires or anything of the sort.
Then all of a sudden the pinging stopped, and sadly so did the cold air. Doesn't look like a belt is missing anywhere.
Does the sound seem similar to what you were hearing? This really comes at a bad time, to say the least, but that is probably pretty universal.