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Thread: rattling in my rear?
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04-17-2009, 04:37 PM #1
rattling in my rear?
I have a sound coming from my rear end that sounds like there's some rocks tumbling in my rear whenever I slow down. It happens the most while coasting in neighborhoods or parking lots. I'm worried my rear end is going to shit. Anyone else have noisy rear ends or have similar problems?
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04-17-2009, 04:56 PM #2
Could be part of your e-brake assembly rattling around inside its drum.
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04-17-2009, 05:02 PM #3
I'd say pull the cover look in and see if you can see anything wrong. Could be a dry or damaged U-jount too. Good luck!
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04-17-2009, 05:48 PM #4
This is from Torsen's FAQ page;
Torsen for GM vehicles:
Is it true that the Torsen unit in the production Camaro needs the GM modifier added? Top of the Page
GM issued a technical bulletin adding modifier to the rear axle oil. This was done to quiet what we call a "Rusty Screw" noise that we heard in a very small percentage of vehicles. This does not happen in all cases, however to address owner's concerns we asked that the modifier be used in all instances to insure that the driver would not get this noise. When replacing the fluid it is at the owner's discretion whether or not to add the modifier. Elimination of the modifier does not affect durability of the differential.
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04-17-2009, 05:57 PM #5
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04-19-2009, 10:59 AM #6
This noise is normal, believe it or not. My car did it since day one and no additive or different fluid would quiet it down. Do a search for "marbles" here or on LS1Tech.com. It's called the can of marbles noise. It's the gears in the Torsen carrier banging around on the side of the case. Harmless.
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04-19-2009, 02:48 PM #7
ya, that's exactly what it sounds like. Why did GM use such shitty rear ends?!?!?!
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04-19-2009, 03:10 PM #8
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79 T/A -91 Firebird- 1998 Trans Am -Oynx Black
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04-19-2009, 05:11 PM #9
Actually mine had the additive but still mad some noise, It it gets to the point where it get's so lout you can't hear your radio at 65 to 70 your rear is almost toast at that point. I know I had to rebuit the rear once. I just tossed the 3.23's i installed a year ago for some 3.73. All quiet again for now
1998 Trans Am 85k miles.
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