Pontiac GTO 2004-2006 The Modern Goat

Possible suspension issues?

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Old 10-03-2016, 11:27 PM
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Default Possible suspension issues?

Hey everyone,

On the way home from cruising tonight I've noticed more weird and odd clunk noises from my suspension. I've isolated that it isn't any part of the driveline and that the driveshaft isn't rubbing.. anymore that is.

My suspension consists of the following:
Lovells 330/350mm springs
Koni Yellow shocks/struts
Whiteline poly strut bushings and bearings
Whiteline poly shock bushings
Whiteline poly radius rod bushings
Hotchkis sway and anti-roll bars
Roadsafe bushing-less sway bar endlinks

The only other thing I could think of is the plastic valance in the rear bumping against the trunk from the tow brace delete I did a while back.. The skid plate is tight, the springs are all seated, the sway bar endlinks are seated as well. My only other thought is the poly bushings for the rear shocks are making noise on rebound, but the upper mounts are tight as well. This has confused me since I went through the suspension last winter, any ideas?
Old 10-04-2016, 01:45 PM
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spare tire loose?
Old 10-04-2016, 03:52 PM
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Forgot to add that... I gutted the trunk minus the side liners and the fuel tank brace.
Old 10-09-2016, 07:40 PM
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hmmn is it coming more from the front or rear of the car?

could it be the bushlingless endlinks?
Old 10-09-2016, 10:13 PM
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Checked and the endlinks are seated solidly in the bar's ends, that was my first thought. I readjusted the upper shock mounts and that helped with the noise a little bit, but when I talked to Andy Kollar he said that the bushings just make noise- it's how the cars react to suspension sometimes.
Old 10-09-2016, 10:28 PM
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that was gonna be my next statement is that poly isnt as absorbent as rubber bushings and can present suspension noises that you dont usually hear.

When I went form the factory to poly motormounts in mine, I could feel the motor shimmy during startup



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