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knocking sound

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Old Oct 2, 2006 | 06:24 PM
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From: manahawkin nj
Default knocking sound

So the weather gets a little colder and my vette starts making a knocking sound. I do not know if it is the shocks or a piece of fiberglass or what. What should I do to find out the sound?
It makes noise when driving over small bumps not big ones, and with turning right or left. Thanks for the help, Mike
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Old Oct 2, 2006 | 07:14 PM
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Just a guess. I have been hearing about the plastic end links letting go on 99's.
Get it on a lift and have a look
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Old Oct 2, 2006 | 08:01 PM
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From: manahawkin nj
Default already replaced

I already replaced them with the metal endlinks, Z06 endlinks and sway bar.
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Old Oct 2, 2006 | 08:08 PM
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Just to be sure...did the noise start before or after the endlinks and swaybar were replaced?
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Old Oct 2, 2006 | 08:10 PM
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From: manahawkin nj
Default endlinks

The noise started AFTER the swaybar and endlinks.
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Old Oct 2, 2006 | 08:44 PM
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Yeah...this has been a problem for a lot of people, including me. If you'll do a search you'll find some quick fixes for that. The problem usually lies with the bushings and/or torque issues with the endlinks.

Personally, I don't pay attention to the creaks and groans anymore but it has driven some guys crazy and they've found ways to deal with it through specific lubricants and/or bushings made from different materials. Do a search for a member named (pizanno <-- I think) he did a great write up for that problem.
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Old Oct 2, 2006 | 10:11 PM
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From: manahawkin nj
Default I think you are right

I think the sound is from the rubber bushings. I checked with Eckler's, but the poly bushings come in different sizes. I need to know what size I need for the Z06 sway bars front and rear. Either 23 or 26 or 30mm. Thanks, Mike

Last edited by drace99; Oct 2, 2006 at 10:30 PM.
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Old Oct 3, 2006 | 07:21 AM
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From: manahawkin nj
Default sizes of bushings?

Does anyone know what size poly bushings I need for the Z06 swaybars? Ecklers has a few of them.
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