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06 GXP interior noise

swatpup102

New member
I've noticed since buying this car a few weeks ago that there are all kinds of rattles inside the interior. Obviously no big deal with the radio on, but just seems like more than I'm used to out of other models. Mainly sounds like the plastic creaking a bunch or things a little loose over time. Is there any known set of things that will do this from the interior, and any known ways to help it out a bit? Or is it just the overuse of plastic at that point in time in GM's history?
 


My back deck rattled with the monsoon amp. I just shimmed with cardboard underneath. The other big culprit on mine (05 GTP) is the sunroof cover. I back it off totally closed about 3/4" and it stops that one.

Only two interior noises I've cared enough to check out.
 
I have had the same issue with my sun roof. Also my passenger rear shock top bolt worked it's way loose and is making a clunking sound.
 
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