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HELP! Accelator Whine

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Old Sep 16, 2007 | 12:16 AM
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Default HELP! Accelator Whine

Have a 2002 automatic that periodically gets a high pitch whine as I touch the accelator. The faster I go, the higher the pitch of the whine. Any suggestions on what it can be? Performance seems ok, no warning lights.
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Old Sep 16, 2007 | 09:06 AM
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The faster you go..the more whine..the faster the engine spins. The faster the things spin that run off the engine. Maybe something that runs off the engine? Alternator?
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Old Sep 16, 2007 | 09:19 AM
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Does it do it in netural.
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Old Sep 16, 2007 | 09:46 AM
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I seem to have the same problem, however my car only does it in 3rd or 4th gear and when I am accelerating around 2250-3000 RPM and then it will stop.

I have narrowed it down to some type of "load" somewhere on the car. Seems like nothing is out of the norm so I'm not gonna mess with it.

Mine does not increase in sound as I accelerate as you mentioned. It stays pretty constant and then will diminsh at 3-3.5K if I am still on the gas.
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Old Sep 16, 2007 | 10:39 AM
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my alternator will whine/whistle just after a startup; but then settles down after a minute or two.
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Old Sep 17, 2007 | 12:09 AM
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Originally Posted by Mike Mercury
my alternator will whine/whistle just after a startup; but then settles down after a minute or two.
Well I can't duplicate while parked and reving the engine. It only occurs while driving. It's loud and anoying enough that I have to get it looked at. Just wondering if it's the alternator or possible pully. Does it with and without air on.
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Old Sep 18, 2007 | 11:24 AM
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Well local Chevy dealer claims it a carrier bearing in the rear end. Ouch that's costly. $140 for the two bearings but 8.5 hours to do the job.
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Old Sep 18, 2007 | 12:41 PM
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Did they say that it was a must fix? Or is it not damaging to the car, just making the sound?

Z
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Old Sep 18, 2007 | 03:06 PM
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I bought it as fourth owner (should of known better). Could be damaging, don't know level of damage till they take rear end apart. Gave them the go ahead since sound even drowned out the radio.
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