Clunking noise 04 gto - Pontiac GTO Forum
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post #1 of 4 (permalink) Old 03-31-2017, 02:26 AM Thread Starter
 
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Clunking noise 04 gto

I recently installed a one peice driveshaft and now at high rpms i hear a very loud clunking noise coming from the rear of the car and you can feel a something hitting the bottom of the car in between the rear seats
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post #2 of 4 (permalink) Old 03-31-2017, 10:31 AM
 
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You didn't trim the rear seat belt bolts. They will rub on a 1 piece driveshaft.

You can either grind them down from the bottom of the car, or pull the rear seat and add a few washers to the 2 bolts. I did the latter and was super simple/quick. My 1-piece doesn't rub or clunk at all.

2006 GTO M6

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post #3 of 4 (permalink) Old 03-31-2017, 12:20 PM
 
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Here's a pic of where the rear seat belt bolts would hit the drive shaft. They are ground down in this pic... It'ts easier to just add washers from the inside but either way your clunk will go away.


2006 GTO M6

Motor - Stock with Vararam
Bunch of suspension
Bunch of brakes
Stock tune

365/368 std
12.81 @ 110.6 2.03 60'
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post #4 of 4 (permalink) Old 03-31-2017, 07:28 PM
 
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Same principle but we used shorter bolts.
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  Pontiac GTO Forum > The 2004-2006 GTO > Drive train, suspension, alignment and brakes.

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