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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

weird rear-end noise

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Old Nov 12, 2007 | 01:10 PM
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Default weird rear-end noise
well...like the title says...i have a weird noise coming from my rear end...i noticed it yesterday when me and my fiance were taking a little road trip in my 94 Z. I noticed that when i made slow right or left turns that a noise was coming for the rear of the car...it kinda sounds like a rubber bushing rubbing on something...but i have no idea. It only does it when the car is warm and only when i make turns...any ideas??
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Old Nov 12, 2007 | 01:21 PM
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obvious question, did you run over anything recently??? can you feel the rear end bind up at all, or just hear a noise??
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Old Nov 12, 2007 | 02:26 PM
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You might need more Limited Slip additive.
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Old Nov 12, 2007 | 06:00 PM
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no, i have never run over anything...and no binding....everything seem fine except for the noise.
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Old Nov 12, 2007 | 09:10 PM
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anybody have any ideas???
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Old Nov 12, 2007 | 09:15 PM
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only two things come to mind either the limited slip clutch pack in the rear end is bad and binding up causing the noise, or a suspension part is loose, i.e. panhard rod bar, trailing arm, even a sway bar... pretty hard to say without driving it, but one of the above is probably it.
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Old Nov 12, 2007 | 09:19 PM
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It could be from bad rotors. My car made a weird noise and when I changed the rotors it stopped. You might also want to check your caps on your rims. Some of the center caps get a little loose and when you turn they jiggle around and make crazy sounds. It took me forever to figure that one out.

It could also be your lower control arms. My buddies car did that like crazy when he turned. The bushings go bad and can be replaced to stop the sound.
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Old Nov 12, 2007 | 10:06 PM
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Originally Posted by Ralls
You might need more Limited Slip additive.
This is what I did to cure the same funny noise coming from the rear end of my 97Z, when I cut the wheels it sounded funny , did the new gear oil and limited Slip and it is right as rain
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Old Nov 12, 2007 | 11:12 PM
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My 94 makes a noise when you turn too, mine acts kinda like it has a full spool in it but i know it doesnt, but thats no surprize to me that lil 10 bolt has taking a beating at the strip
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Old Nov 13, 2007 | 09:42 AM
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alright...well tomorrow is my day off...so i will check all of that stuff out. thanks for the help guys
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