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HELP!! car is whining

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Old Mar 14, 2008 | 07:01 PM
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Default HELP!! car is whining

About 2 weeks ago my car started whining on the freeway. If i hit the gas slightly more it whines more. I changed the rear diff. fluid today and it didn't go away.
Could this whine be the drive shaft or tranny? sounds like its coming from the back. what should i check to find the problem? any help would be appreciated. thanks in advance. Dan

Oh the whine is not super super loud, but started out of no where.
I took it to the track the other day and nothing broke, but sounded like it got louder so now i want to solve this problem before something brakes on me.
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Old Mar 14, 2008 | 07:25 PM
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whine on acceleration or decel?
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Old Mar 14, 2008 | 07:44 PM
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acceleration
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Old Mar 14, 2008 | 08:15 PM
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http://www.differentials.com/diagnose.html
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Old Mar 15, 2008 | 02:27 AM
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Originally Posted by alamantia
thanks for the link! very helpful.

this fits my how my car sounds: A howl or whine during acceleration over a small or large speed range is usually caused by worn ring

how much does it cost to change a worn ring?
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Old Mar 15, 2008 | 07:42 AM
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Motive or AAM gear set around $150
Fresh Bearings, lube, crush collar, axle seals, pinion seals, gasket (install kit) Around $100
Labor around $150

I just got back from San Fran thursday, first time I have ever been to CA, I saw lots of nice cars out that way
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Old Mar 15, 2008 | 12:49 PM
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is it ok to drive my car like this? based on what i have read its a worn out ring and pinion and/or possibly a bearing. does this mean its going to fail soon or just means it needs to be changed?
thanks for the help

Last edited by MuscleCarZ28; Mar 15, 2008 at 12:56 PM.
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Old Mar 15, 2008 | 04:26 PM
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they all whine slightly at some point, you can remove the caps, pry out the carrier and inspect the carrier bearings and their races for score marks or pits. Just dont lose track of the shims and reinstall the carrier with the sims in EXACT SAME locations they came out. Its most likely a carrier bearing, if it is just bring the whole carrier to a parts store and have um pull off the old bearings and press on new ones.
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Old Mar 15, 2008 | 06:02 PM
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thanks alamantia for your help.
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Old Sep 5, 2008 | 02:53 PM
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Thanks alamantia i have the pinon bearings problems after read this and alot of other forums I know for sure my problems
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