Rattle from under car..PLEASE HELP - Pontiac GTO Forum
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post #1 of 6 (permalink) Old 05-15-2013, 12:20 AM Thread Starter
 
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Rattle from under car..PLEASE HELP

I need help. I have a horrible rattle under the car and it came out of nowhere...it almost sounds like something is inside the pipes. I just had a catback installed (a few weeks ago) and i thought it may have been some of the bolts coming loose, but everything looks ok. I posted a video. Does anyone have any idea what this could be? Any help would be greatly appreciated.

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post #2 of 6 (permalink) Old 05-15-2013, 04:58 AM
 
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Does it seem to be the loudest around the converters? Wondering if the ceramic inside the converter is rattling around.
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post #3 of 6 (permalink) Old 05-15-2013, 08:19 AM
 
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Put some gloves on and put you hand to see if you can feel it in the cats.

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post #4 of 6 (permalink) Old 05-15-2013, 08:44 AM
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post #5 of 6 (permalink) Old 05-15-2013, 10:51 AM
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I use a long screwdriver to listen, put one end on the cat and the handle to your ear, if it's rattling you will hear it.
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post #6 of 6 (permalink) Old 05-17-2013, 04:25 AM
 
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Could also be something got in to the bell housing and is rattling in there?

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