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09-04-2004, 09:44 PM | #1 |
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Location: Folsom, CA
Vehicle:1998 2.5 RS - Blue Dreaming of Boost |
Squeeling AC compressor pulley. What to do?
My friend's 96 L that he purchased earlier this year has had a constant squeeling coming from the engine bay every since he purchased the car. We tried locating it before and sprayed lube in all the pulley areas, but it persisted. So today we took off the a/c and powersteering belts and found that the AC pulley is the culprit.
So, can we replace the AC pulley itself, or does the whole unit need to be replaced? (the squeeling is really bad mind you). We tried spraying silicon lube in there and it really won't go away. Any other suggestions? (pic of ac pulley) Also, this little guide pulley makes some pretty bad clicking and squeeling also we noticed. Does anyone know if this is a cheap replacement? (pic of guide pulley) thanks jonathan
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09-04-2004, 11:35 PM | #2 |
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i was going to suggest take the AC off, then i noticed you live in CA
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09-04-2004, 11:53 PM | #3 |
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Location: Colorado Springs, CO
Vehicle:1999 Forester Red |
With other cars I've owned, I've had several idler pulleys fail, but never the AC pulley. Who knows why. If it is feels rough turning, it is probably the problem. The idler pulley on the AC of my Forester looks like that and it doesn't look like a special part. I would check at your local Pep Boys or something for that part, it shouldn't be much. Better to replace it now before it comes off and shoots throught the hood.
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09-06-2004, 10:36 PM | #4 | |
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Quote:
jonathan |
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09-07-2004, 12:00 AM | #5 |
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Okay, the AC pulley is a clutch. You sprayed silicone lube on the pulley because it was squealing. Is it now worse? Would you spray silicone on your clutch?
Go get a can of brake cleaner and spray it with that. Jay Storm |
09-07-2004, 12:04 AM | #6 | |
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Join Date: Mar 2002
Location: Folsom, CA
Vehicle:1998 2.5 RS - Blue Dreaming of Boost |
Quote:
Edit: Also, what is recommended for the idler pulley? Should I try to lube that or replace it? And if lubing it, what should I use? thanks jonathan |
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09-07-2004, 04:11 AM | #7 |
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definitely NOT the pulley. change the ac belt.
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09-07-2004, 07:59 AM | #8 |
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For my Idler pulley I popped the bearing out, took it to Napa and got a replacement bearing. Cost like $7.
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09-07-2004, 01:17 PM | #9 |
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Vehicle:1999 RS Coupe Silver Thorn |
the clutch may be bad.
It all depends on whether it is a bearing in the clutch or some other item. You can buy rebuilt clutches without changing the compressor.
If the bearing is almost dry or one of the races or an individual bearing is in melt-down mode, it would squeal like crazy. Last edited by cjfike; 09-07-2004 at 01:19 PM. Reason: additional info |
09-07-2004, 01:21 PM | #10 | ||
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Quote:
Quote:
Sorry, but never done this before. jonathan |
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09-07-2004, 01:36 PM | #11 |
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Just want to mention, the AC pulley squeals ALL the time, not just when the AC is on. Dunno if this matters.
j |
09-07-2004, 01:38 PM | #12 |
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Hit it with a really big hammer, may not fix it but you're friend will feel much better.... What!?
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09-07-2004, 01:52 PM | #13 | |
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Quote:
Fixing just the bearing or whatever is wrong would be ideal. Any ideas on this? |
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09-07-2004, 05:42 PM | #14 |
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Nah but seriously I just went to www.Partsamerica.com and looked up AC clutch bearings and you can get a new set for around $30-$40.
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09-07-2004, 06:03 PM | #15 | |
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Quote:
jonathan |
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09-07-2004, 06:48 PM | #16 |
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That I'm don't know, I've never had to take apart an AC compressor, is there a Haynes or Chilton manual for that car yet I don't know. Good luck!
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09-07-2004, 07:28 PM | #17 |
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I'll check on a Chilton's. Anyone know how to take it apart to replace the bearing?
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09-08-2004, 06:27 AM | #18 |
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You should buy a rebuilt A\C clutch. This is one of those times when, you can out and buy an expensive bearing set, but because you do not have the proper tools (like a big expensive press for seating and unseating bearings) are bound for failure. This is an electronic clutch; not missile science, not hard to grasp. But it is one of those things where critical tolerences come into play. Also this has electric contacts that supply power to the part of the clutch that only rotates when the a/c asks for 'more cooling'.
Additionally, when you buy the rebuilt one it should come with a warranty. This has been the voice of experience talking. Please have as stress free of a life as you wish, and this is one of those times you can avoid it. |
09-08-2004, 06:36 PM | #19 |
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Vehicle:1998 2.5 RS - Blue Dreaming of Boost |
If it comes to buying something used or rebuilt, I can get a complete used AC compressor for around $30, so I think I'd do that.
One question though. Does anyone know FOR SURE if the newer 02+ WRX AC compressor is the same as the ones on the older 96 impreza? It appears to be the exact same, but I'd need to know before I buy one jonathan |
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