Transmissions and Drivetrain Need help with your trans? Problems with your axle?

clunk!

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Old Jun 16, 2006 | 04:31 AM
  #1  
ABJ88's Avatar
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From: Santa Clarita, California
Car: 1990 RS/2000 Z28
Engine: 5.0/5.7
Transmission: 4L60/4L60E
Axle/Gears: 10 bolt/3.23
clunk!

Car is clunking from rear or directly below. Before you say tranny mount. It does it when I go over anything slanted at an angle turning, and even over speed bumps. May I ad I do it at a slow speed in residential or parking lot, I dont hear anything while on a main street or freeway or highway, only when turning.
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Old Jun 16, 2006 | 08:57 AM
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jsnico's Avatar
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From: Fort Wayne IN
Car: 87 GTA
Engine: 305 TPI
Transmission: 700R4
Axle/Gears: 3.23
You might check the bushings in the front and rear sway bars they can make similar noise when going over bumps.

Hope that helps

Jason
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Old Jun 16, 2006 | 09:19 AM
  #3  
drag1LE's Avatar
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From: Central Iowa
Car: 1991 Camaro 1LE Z28
Engine: 6.0L
Transmission: 4L60E
Axle/Gears: Ford 9" 4.33
Clunks while turning? Check the ball joints.
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Old Jun 16, 2006 | 01:42 PM
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ABJ88's Avatar
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From: Santa Clarita, California
Car: 1990 RS/2000 Z28
Engine: 5.0/5.7
Transmission: 4L60/4L60E
Axle/Gears: 10 bolt/3.23
I replaced the balljoints about half a year ago and the sway bar and bushings were replaced about 2 years ago.
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Old Jun 17, 2006 | 02:43 AM
  #5  
ABJ88's Avatar
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From: Santa Clarita, California
Car: 1990 RS/2000 Z28
Engine: 5.0/5.7
Transmission: 4L60/4L60E
Axle/Gears: 10 bolt/3.23
ttt
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Old Jun 17, 2006 | 08:50 PM
  #6  
camaronewbie's Avatar
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From: Cary, North Carolina
Car: 1992 RS
Engine: Carbed 350
Transmission: 700R4
Axle/Gears: 3.42 posi
Check the idler arm? Do you have the wonderbar installed? I know that after I installed my wonderbar, I found all kinds of bad joints! Since the wonderbar held the body in place, everything else was allowed to move without body flex and that bar cost me ball joints, idler arm, and sway bar bushings! lol Isn't it funny how one little mod snowballs into 15 others? Oh well, it's only cash right?
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Old Jun 17, 2006 | 09:11 PM
  #7  
ABJ88's Avatar
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From: Santa Clarita, California
Car: 1990 RS/2000 Z28
Engine: 5.0/5.7
Transmission: 4L60/4L60E
Axle/Gears: 10 bolt/3.23
I have a Global West Suspension wonder bar, and all steering components have been replaced: inner/outter tie rods, edel. adj. T.R. sleeves, Idler and Pitman arm. I've checked and everything looks good.
----------
Ive heard somewhere on this site that bolts under/on the stock k member can come loose, be missing, broken. But I cant find the thread on where I should look first.

Last edited by ABJ88; Jun 17, 2006 at 09:13 PM. Reason: Automerged Doublepost
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Old Jun 18, 2006 | 07:58 PM
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ABJ88's Avatar
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From: Santa Clarita, California
Car: 1990 RS/2000 Z28
Engine: 5.0/5.7
Transmission: 4L60/4L60E
Axle/Gears: 10 bolt/3.23
...
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Old Jun 20, 2006 | 01:38 PM
  #9  
pizza_guy's Avatar
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From: Kansas, where the wind howls
Car: 84 Z28 H.O. w/Megasquirt II
Engine: semi-stock L69
Transmission: T-5 non W/C
Axle/Gears: 3.73 open
If it's coming from the rear...

my endlinks on the end of the sway bar were both snapped off, and they would make a clunking/snapping sound ONLY on slanted driveways, etc.

It's a simple check for peace of mind.
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Old Jun 20, 2006 | 02:07 PM
  #10  
84z28350's Avatar
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Posts: 3,004
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From: Yellowknife, NWT, Canada
Car: 84 Z28
Engine: 357
Transmission: TH-350C
Axle/Gears: 3.43
torque arm maybe?
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