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#1
02-15-2009, 08:26 PM
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Exhaust Rattle from below?
I was out for a cruise earlier today and I noticed that something from under the car began to rattle. It felt like it was coming from right below the center console and armrest of my 97 GTP. I am gonna take a peak under the car tomorrow but I was wondering if anyone had any experience with this before. The exhaust is stock except for a 3" ZZP downpipe.
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#2
02-16-2009, 08:31 AM
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Re: Exhaust Rattle from below?
Check the converter and the heat shields for it. They are the most common causes of rattles from where you describe.
__________________
 Still waiting for the "good old days" I'll get to bore my future grandchildren with!
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#3
02-16-2009, 08:33 AM
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Re: Exhaust Rattle from below?
It is a common problem when using big downpipes versus stock and even headers. Does the ZZP 3" DP have a woven flex joint?
__________________
'08 Pontiac Grand Prix GXP (Dark Slate Metallic) - LS4 5.3L V8 '02 Oldsmobile Alero GL2 - LA1 3400 V6 '99 Buick Regal LS - L36 Series II 3800 V6 '03 Honda CR250R MX - 2 Stroke 250cc '97 Pontiac Grand Prix GTP - L67 Series II 3800 V6 Supercharged (Sold) Timeslip 08/12/06 AF Community Guidelines
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#4
02-16-2009, 06:48 PM
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Re: Exhaust Rattle from below?
Yeah the ZZP downpipe has a woven flex joint. If it turns out to be the heat shield are there any tips on how to fasten it?
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#5
02-16-2009, 09:49 PM
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Re: Exhaust Rattle from below?
My GTP was making the same rattle. Mainly on initial startup and idle. It was SO annoying. Turned out the be the resonator heat shield. The exhaust quy just tack welded it right back in place. (we'll see how long it lasts)
__________________
-2000 Grand Prix GTP 170,000mi (daily driver) -2000 Olds Alero 100,000mi (soon to be DD with gas at $3.45/gal) -1997 Chev K1500 4x4 115,000mi (Natalie's truck [nans_grandprix]) AF "2.0" Community Guidelines Conservative Victory 2012!!! "I'll Keep my Guns, Freedom, and Money. You can Keep the Change!" ----->>>>> Did You Know? <<<<<-----
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