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Old Oct 13, 2008 | 05:19 PM
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Default Odd rattle

theres a weird noise from time to time when the cars in gear and im on the break i hear a sort of rattle but ive been under there a thousand times and cannot find anywhere the exhaust is hitting...i;ve loosened everything and moved it around to make sure theres clearance but i still get that damn noise every now and then...it even does it sometimes while im going but far less often than when im stopped on the break...any suggestions?
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Old Oct 14, 2008 | 12:04 AM
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My car does the same thing? I have a 2001 Silver SS. It drives me nuts man. I can't figure it out either. Let me know if you figure anything out.
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Old Oct 14, 2008 | 12:22 AM
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Same here. I bet it's my y-pipe. No question.
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Old Oct 14, 2008 | 07:46 AM
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what about your y pipe?
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Old Oct 14, 2008 | 12:12 PM
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Might be your 02 shields.. tap around the 02's with a rubber mallet. There is a little metal piece that shields them on the inside of the pipe. If its rattling you can try to right stuff them in. I had a rattle when declerating or when letting the revs fall to idle at around 2K RPM.
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Old Oct 14, 2008 | 12:24 PM
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so how would i fix that? new o2s?
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Old Oct 14, 2008 | 06:04 PM
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Ill try that.
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Old Oct 14, 2008 | 08:35 PM
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my noise if def from the back of the car...
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Old Oct 14, 2008 | 08:39 PM
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and usually when the car is cold...
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Old Oct 14, 2008 | 08:53 PM
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same here man i cant figure it out either. im hopefully going to take it to a friends house and put it up on the car lift and see if we can find out what the heck is going on. if i find anything out ill let you know.
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Old Oct 23, 2008 | 11:50 PM
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Finally found out the problem. It was my cat. I took it to the dealer and had it replaced under warrenty. No more noise!
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Old Oct 24, 2008 | 01:23 AM
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let me guess passenger side cat? mine went bad too, already replaced that...i think the noise i had was the passenger side hanger...it has a foam/rubber part but the metal holding it to the car and the hanger were hitting from time to time....just pushed it out a little and no more worries...yet
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Old Oct 25, 2008 | 05:01 PM
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Yup Passenger side Cat! Did you get it replaced for free? How many miles on your car? I have almost 60,000.
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Old Oct 25, 2008 | 08:27 PM
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as far as replacing the cat...i would go with the catco y pipe i think its part number 9033...it doesnt have the pinched driver side pipe...very good investment!
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