C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Clinking from rear, U joints?

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Old Aug 15, 2003 | 01:40 PM
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From: Frederick MD
Default Clinking from rear, U joints?

I'm getting a light metallic "clinking" from the rear of car when starting forward or making a slow tight turn, also a louder clunk or crack when reversing to a stop, then forward. Does this sound like U joints or should I check out some other suspension or rear diff. things, before I replace the U's.
Car has 98k and from what I can tell still the original joints.
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Old Aug 15, 2003 | 01:43 PM
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Default Re: Clinking from rear, U joints? (tdock)

You will get a myriad of answers on this, but when it was happening to me it was my torque-arm (C Beam) bolts.

Mike
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Old Aug 15, 2003 | 01:47 PM
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Default Re: Clinking from rear, U joints? (luvmy92)

On my 1st Vette, an 88, it was the "C" clip holding the spline inside the differential. It was gone. The only way I found it was checking for bushing play - pulled the wheel N/S and E/W. Hope it's not that. Good luck!
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Old Aug 15, 2003 | 01:48 PM
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Default Re: Clinking from rear, U joints? (tdock)

When my '88 made those noises I pulled the right rear wheel and found that the outer U-joint was loose (worn). Replacing both those half-shaft U-joints cured the problem.

Pull the wheel and check it out; if the rotor moves and the half-shaft at the differential housing doesn't move, the U-joing(s) are bad.
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Old Aug 15, 2003 | 01:57 PM
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Default Re: Clinking from rear, U joints? (65Z01)

On mine, a clicking/clunking sound was the U-joints on one halfshaft and driveshaft.
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