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rattling question ?

Old Feb 10, 2007 | 02:56 PM
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My car has recently started making a sound as if though the muffler is rattling. It sounds like a penny in my wheel rattling around and only sounds while I am moving. i had the muffler checked and everything is on well. Could this be the catalytic onverter or is it anything else you can think off. The car runs great and has no other issues , but has 120K. THX beardown3
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Old Feb 10, 2007 | 05:26 PM
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When I worked for f%#d we would have people complain about the same thing, most of the time it was part of the cat. coming apart. Sometimes the piece would blow out of the tailpipe on the highway, so I would'nt worry about it, just keep your ears open and it might go away by itself. Hope this helps, have fun and drive your vette.
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Old Feb 10, 2007 | 06:35 PM
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Do you have tips? Check the tips, mine sounded like a pocket full of coins. I screwed them down with self tapping sheet metal screws.
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Old Feb 13, 2007 | 07:58 AM
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Originally Posted by Beardown3
My car has recently started making a sound as if though the muffler is rattling. It sounds like a penny in my wheel rattling around and only sounds while I am moving. i had the muffler checked and everything is on well. Could this be the catalytic onverter or is it anything else you can think off. The car runs great and has no other issues , but has 120K. THX beardown3
Had the same issue...replaced my cats with Magnaflow High Flow Cats..noise gone...
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