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Exhaust Rattle

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Old May 24, 2007 | 01:12 PM
  #1  
Canuck's Avatar
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Staging Lane
 
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From: windsor, ontario
Default Exhaust Rattle

I have an 02 SS and with 70k miles on it it has developed a "tinny" rattle in the exhaust. I notice it at idle and it is loud enough to notice easily. If I push my hand against the Y pipe it decreases or stops. I have stock exhaust with just the CME cat back from the factory. Any advice on how I can alleviate this problem is greatly appreciated.
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Old May 24, 2007 | 02:32 PM
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take it to a exhaust shop. usually they dont charge anything just to look at it. but probably ur hangers. mines doing it too.
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Old May 24, 2007 | 04:45 PM
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i have flowmaster exaust and mine is rattleing as well and I cant find the source of the rattle...Mine sounds like its coming from the catback but im not sure
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Old May 24, 2007 | 11:30 PM
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mine did it untill i looked and it was a bad clamp at the y pipe where the cat back goes in. i took it off and put a new one on and no more noise.
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Old May 25, 2007 | 11:09 PM
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check the clamp where the Y and the I pipe go together mine came loose there and it rattled like crazy.
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Old May 26, 2007 | 08:36 AM
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Mine had a rattle. I checked the heat sheilds, clamps, bolts, everyhitng but it still had a rattle that came form the Y. Mine ended up being one of the rear O2's. I pulled one one out and shook it and it made a noise. I replaced it with a new one and the rattling was gone! Then I cut the rattling O2 open and found there was a ceramic wire seperator inside the metal case of the O2 that was broken into pieces.
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Old May 26, 2007 | 09:16 AM
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From: Windsor, Ont
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Originally Posted by sixvi6-camaro
Mine had a rattle. I checked the heat sheilds, clamps, bolts, everyhitng but it still had a rattle that came form the Y. Mine ended up being one of the rear O2's. I pulled one one out and shook it and it made a noise. I replaced it with a new one and the rattling was gone! Then I cut the rattling O2 open and found there was a ceramic wire seperator inside the metal case of the O2 that was broken into pieces.
Also check the tunnel brace to see if the y-pipe is touching it. If so then add some washers to the bolts to get more clearance.
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