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Old 07-29-2009, 06:13 AM   #1
T!nk
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Default A/C Help

My A/C belt squeals every time it's engaged and there is a slight film that looks similar to brake dust around the compressor. I'm pretty sure it is the clutch in side the A/C pulley. My question is, would it be cheaper and easier to just replace the pulley or should I just replace the entire compressor? Keep in mind that I have about 80k mi and the A/C still blows cold. Thanks for the help guys.
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Old 07-29-2009, 10:15 AM   #2
crampfan
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as far as I know the only fix for this is to replace the compressor. if you can find a clutch assy. that would work, but it's not sold that way.
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Old 07-29-2009, 11:18 AM   #3
T!nk
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I'll have to double check but I thought I saw a part number for it sold separately.
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Old 07-29-2009, 04:54 PM   #4
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The dust is just rust that comes off from the clutch plate and pulley surfaces. It's two steel parts pulled together by the magnetic coil. Is the belt tight?
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Old 07-29-2009, 05:07 PM   #5
DreadScourge
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It would be cheaper to replace just the clutch/coil/pulley assembley. That is if you can find a clutch removal tool for your specific compressor. It would probably be easier just to replace the compressor, which would come fully assembled, with the new clutch/coil/pulley assembley.

I tried "just" replacing the clutch assembly on my Cavalier, but my clutch removal tool broke. Instead of continuing to mess around with it, I just ordered a new compressor. I wish I would have gotten the new compressor in the first place.

Remember to have the system discharged before you start taking it apart. You should also have it flushed before you put on the new compressor (if thats what you do). Also, when I did this on my Cavalier I had to replace the accumulator and orifice tube; not sure if that is standard for most vehicles, so you should definitely check into it.
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Old 07-29-2009, 08:48 PM   #6
Charlie-III
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Quote:
Originally Posted by T!nk View Post
My A/C belt squeals every time it's engaged and there is a slight film that looks similar to brake dust around the compressor.
A reddish "dust" is rust coming off the clutch/pulley interface, ignore it.
Black dust is probably the belt slipping. You may need to either tighten the belt or replace it.
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Old 07-31-2009, 07:11 PM   #7
T!nk
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I noticed my belts are starting to look old, I'll try and change them to see if that helps, thanks.
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Old 08-01-2009, 09:15 PM   #8
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New belts were just the ticket! Thanks for the help!
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Old 08-02-2009, 09:46 AM   #9
Charlie-III
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New belts were just the ticket! Thanks for the help!
Glad to help out, thanks for closing this out for the next person.
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Old 08-03-2009, 03:55 PM   #10
desiwrxpwr
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I just wd-40'd the hell out of it, cause i had the same problem, and now no squeal or anything, smooth.
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Old 08-03-2009, 07:41 PM   #11
Charlie-III
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Originally Posted by desiwrxpwr View Post
I just wd-40'd the hell out of it, cause i had the same problem, and now no squeal or anything, smooth.
Why not trans lube, it'll last longer.








No, don't really do this.
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