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Coupler noise?

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Old Nov 2, 2011 | 12:19 AM
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Default Coupler noise?

I have an intermittent popping noise that I cannot identify. I thought it was binding sway bar bushings but I've lubed, Tefloned and adjusted them and the popping remains.

Could this be noise from failing torque tube couplers?

My 99 has about 66k miles with a 415HP LS1 that I bought with about 60k miles. I don't know if it was abused by the previous owner or not. The rest of the car seems well cared for.

Your thoughts appreciated.
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Old Nov 2, 2011 | 12:21 AM
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Originally Posted by flynhi
I have an intermittent popping noise that I cannot identify. I thought it was binding sway bar bushings but I've lubed, Tefloned and adjusted them and the popping remains.

Could this be noise from failing torque tube couplers?

My 99 has about 66k miles with a 415HP LS1 that I bought with about 60k miles. I don't know if it was abused by the previous owner or not. The rest of the car seems well cared for.

Your thoughts appreciated.
Where is it coming from? Any codes?
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Old Nov 2, 2011 | 12:50 AM
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The poppng noise is sometimes fore and sometimes aft. That's why I thought it was sway bar bushings.

No codes.
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Old Nov 2, 2011 | 06:06 PM
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Did you go over the suspension to see if anything is loose? A slightly loose sway bar end link can pop and bang badly.

Peter
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Old Nov 2, 2011 | 07:39 PM
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Originally Posted by lionelhutz
Did you go over the suspension to see if anything is loose? A slightly loose sway bar end link can pop and bang badly.

Peter
Yes, I have checked and tightened all around.
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Old Nov 2, 2011 | 10:09 PM
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I'd guess shock first but it could be a ball joint or a bushing I suppose.

A torque tube bushing is more likely to cause vibrations than popping sounds.

Peter
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Old Nov 2, 2011 | 10:25 PM
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Keep looking at end links. I replaced mine with metal,,,not even a squeak since.
My $00.02

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Old Nov 2, 2011 | 11:01 PM
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Originally Posted by lionelhutz
I'd guess shock first but it could be a ball joint or a bushing I suppose.

A torque tube bushing is more likely to cause vibrations than popping sounds.

Peter
Thanks fellas.

I'm now thinking the rear spindle needs to be lubed as described in

http://forums.corvetteforum.com/c5-t...earings-2.html
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Old Nov 2, 2011 | 11:57 PM
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When does the noise happen - going from forward to reverse or when driving down the road?

Peter
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Old Nov 3, 2011 | 01:19 AM
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Originally Posted by lionelhutz
When does the noise happen - going from forward to reverse or when driving down the road?

Peter
Generally early in the AM when leaving the garage and neighborhood. It seems to happen less often after driving a few miles.
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