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Old 01-19-2013, 10:01 PM   #1
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Question to anyone?

I have recently bought a 2000 GT! The car is great but there is one problem. There is a loud grinding, whinnying, annoying sound coming from the rear end... I think it might be the differential but can anybody tell me what it is for sure? Thanks guys
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Old 01-19-2013, 11:18 PM   #2
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Id bet it may be the diff making the noise. One way to check is lift the rear on jack stands and spin the wheels to listen to grinding.
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Old 01-20-2013, 12:30 AM   #3
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i'd flush the old fluid out and check with a magnet for metal shavings..most likely the teeth are ground down.
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Old 01-20-2013, 01:36 PM   #4
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Originally Posted by 1slosix View Post
i'd flush the old fluid out and check with a magnet for metal shavings..most likely the teeth are ground down.
You don't have to check with a magnet--to get the fluid out you need to pull the differential housing cover so just take a look and see what you can see...
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Old 01-20-2013, 08:30 PM   #5
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I thought it was my differential too until I lifted up and check it was my Differential damper Which I just removed
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Old 01-20-2013, 08:43 PM   #6
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I thought it was my differential too until I lifted up and check it was my Differential damper Which I just removed
It is very unlikely that the differential damper ("dogbone") would cause the noises the OP describes--very unlikely...
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Old 01-20-2013, 09:07 PM   #7
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It is very unlikely that the differential damper ("dogbone") would cause the noises the OP describes--very unlikely...
+1 the nvh wouldnt make a grinding whining sound since its only a damper. the op describes possible differential with no oil in it, or worst case scenario, like obama said its time for a change, differentials that is.
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Old 01-20-2013, 11:16 PM   #8
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Mine did this and it was the carrier bearing going out.
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Old 01-21-2013, 02:57 PM   #9
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Thanks for the tips everyone! I'm gonna get to the bottom of if soon... I really appreciate the help
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