Question about 2005 Pontiac GTO

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Belts sqeeling on cold start up.

Car is a 05 GTO with 9200 miles on it . I replaced the belts on it at 7600 miles and the sqeeling stopped. Now on cold start up it started up again. When engine is warm it does not sqeel. I spray a little WD40 on the AC belt and it stops. These belts are like new with very low miles. Do not under stand why they make noise.

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Check your tensioner pulley and idler pulley by removing serpitine belt spin the pulleys inspect for roughness and endplay all so check harmonic vibration dampner pulley the one at crankshaft for seperation/endplay the rubber cracs and pulley walks on startup you could draw a metal file across the inner face of serpitine belt this will remove glazing or replace belt may be even better

Posted on Dec 01, 2008

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1 Answer

Have a sqeeling sound, replaced alternator and belt, and still sqeeling. tested alternater it tested good! what might be the problem


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then when that is discovered.
then look at what is DRIVEN bay said belt.
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Timing belt replacement interval


My rule of thumb for Timing belts:
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But www.autozone.com (register free at www.autozone.com) is recommending for your
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120,000 miles - replace
150,000 miles - inspect for wear

The 155 page owners manual (I found one at the link below - you may prefer to try Hyundai)
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http://www.scribd.com/doc/29113477/2000-Hyundai-Sonata-Owners-Manual

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1 Answer

I have a 2001 Sonata. I have a squeeling pulley.


It sounds like you have a worn or streched belt making the sqeeling noise. Whenever you turn on a
device in the car that draws a fair amount of voltage
ie. a/c or headlights it will cause increased drag on
the alternator and if you have a loose/worn or glazed
belt, it can slip around the pully making the squeel.
To adjust the alt-a/c belt loosen the mounting bolts
on the tensioner, then use the adjuster bolt behind
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Be sure to check the belt for cracks bald spots etc.
While the belt is loose spin the pullys to make sure
they all spin freely. Also I would replace the belt just
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1 Answer

The belts in my car keep squealing when ever the heat or defrost is on and I step on the gas pedal


the sqeeling suggests that the drive belt/s are slack and req readjusting however considering age of car may i suggest that you renew belt/s especially because the belts slipping would have caused damage plus unnecessary wear due to o/heating by slipping i'm sure you would not like to break down due broken belt ??

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High moisture with cheap belts would be a start. 2nd possibility is you have a bearing in an accesory drying out. Check water pump pully first with the screwdriver methode. Do not place on a moving part!!!

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1 Answer

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it sounds like it your belts are slipping check adjustments if it has any not sure on this car if the belts are tight you can buy spray from a auto shop to stop the noise hope it helps

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3 Answers

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It a particular period of time when the temperature changes and gets colder. So during the hot summer weather the belt(s) expanded. And as the weather changed and got colder the belts more likely would have the tendency to slip. There's an adjusting screw to adjust the belt tension. Hope you fix it.

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