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Fan Belt Squeel


 
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hvrncruz
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Joined: 24 Jul 2005
Location: ALEXANDRIA

PostPosted: Sun May 06, 2007 2:37 am    Post subject: Fan Belt Squeel Reply with quote

Everytime I turn on my AC I hear the what I think is the Fan Belt squeeling. The squeel goes away when I turn the AC off or after letting it squeel for a few seconds. But when I let it squeel for a long time I do smell something burning (rubber) which is why I am guessing it is the fan belt.

Can anyone tell me what I need to do?

Please be kind. Cool
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Orangeamc13
Got Rev Limiter?
Got Rev Limiter?


Joined: 20 Feb 2006
Location: East Springfield, Massachusetts - U.S.A.

PostPosted: Sun May 06, 2007 7:01 am    Post subject: Reply with quote

Well, the belt could be loose or the a/c compressor could be on its way out. Sometimes the belt gets dirty and dry from off road use or just regular street use. Try spraying some belt dressing on the belt to see if the problem goes away. I use silicone spray on all my belts it works great to keep the squeal down.
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TJ Apex
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Joined: 29 Jul 2005
Location: Mountains of SoCal. 6257 elev.

PostPosted: Fri May 11, 2007 6:03 pm    Post subject: Reply with quote

Your compressor is locked up, or is about to. The belt might be rotating around the non-moving pulley when you turn on the A/C, giving you the smell and the squeal.

I just went thru the same thing on my wife’s Explorer. First the compressor started making a horrible noise, so to get by she didn't use the A/C, that only lasted a few weeks, then the pulley started making a metal to metal grinding noise and it soon locked up, doing what I described earlier. When the compressor destroys itself, it will send metal fragments thru the whole system, witch is why a repair shop won't do “just” the compressor, they'll have to replace the compressor, evaporator/dryer, some orifice valve, and condenser in order to get a warrantee.
Also, it doesn't matter what make your vehicle is, A/C systems are generaly all the same
So you don't have long before things go from bad to worse.


Good luck...
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02' Apex Edition,
2" BB, 31" BFG AT's
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Hollywoodrey
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Joined: 20 Feb 2009
Location: California

PostPosted: Sat Feb 21, 2009 11:00 am    Post subject: Reply with quote

Try spraying some "White Lithium Grease Spray" inside the pulley bearing as well. Just don't spray it inside the compressor bushings. The can comes with a thin red straw which makes it much easier to apply more directly where you need it.

This helped my same scenario.

Good Luck!
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Usemy3rdArm
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Joined: 19 Nov 2005
Location: Parma, Oh

PostPosted: Tue Mar 03, 2009 5:38 pm    Post subject: Reply with quote

pulley tension
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