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squealing AC belt

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Jul 13, 2013 | 12:03 AM

#1

pi5tolpete

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From: Brockville, On, Canada

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squealing AC belt

With a bit if searching here, I found a few hints on squealing sounds in the engine bay. Pinpointed the problem to the AC belt. Was fine before, now starting to squeal. Belt is in fine shape. Is there a belt dressing to stop the squeal or shall I just go and replace.
Peter

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Old

Jul 13, 2013 | 06:54 AM

#2

Babalouie

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From: Sydney Australia

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Try rubbing some soap (as in a bar of soap) on the underside of the belt.

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Jul 13, 2013 | 06:59 AM

#3

newsboy

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From: Cape Cod, Ma

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Dressing is only a temporary fix. How old is the belt? If it's an aftermarket belt, you might want to try a Porsche belt.

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Jul 13, 2013 | 10:43 AM

#4

Rocket Rob

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From: Nashua, New Hampshire, USA

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Have you checked that the tension is correct? A loose belt will slip and squeal.

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Old

Jul 13, 2013 | 11:50 PM

#5

pi5tolpete

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From: Brockville, On, Canada

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To Baba's post, the soap has shut it up for now nicely, THANKS!. Will monitor and see what happens over the next few miles. Hopeful for permanent solution but thinking a belt change is in order.

Peter

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Old

Jul 14, 2013 | 09:40 AM

#6

Babalouie

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Joined: Jun 2011

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From: Sydney Australia

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The soap thing was a trick passed to me, from a very famous engine builder

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964, 996, ac, air, belt, conditioning, forums, porsche, sqeak, squeal, squealing

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