strange rattle noise from exhaust.. please help
06-13-2001, 09:24 PM
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strange rattle noise from exhaust.. please help
had the apr stage 2 + installed. its awesome the only problem i have is a wierd rattle noise that is comming from the exhaust at certain low rpm ranged frequency.. could this just be something that needs to be tightened? BTW im running the test pipes. Thanks in advance
06-13-2001, 09:30 PM
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you too? light and tinney sounding ,best heard driving by walls etc. ?
if you find out please let me know what you find. mine is getting some custom paint now, so I am not driving it, but I have this problem also.
06-13-2001, 09:33 PM
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more detailed description
the rattling noise is metal against metal and is best heard in the 2.5k-4k rpm range however can be heard higher than that. it sounds like it might be comming from one of the mufflers but i cant tell for certain. it is best heard while under load.
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06-13-2001, 09:59 PM
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does it sound like a ricer? the exhaust tone is much better with the cats on...
e-mail me if you want. there has been others with similar problems running apr 2+. what kind of exhaust are you running?
06-13-2001, 10:03 PM
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that's the classic "tea kettle" sound...
I had it before my first turbo failure but NOT before the second one. I know a guy who had his turbos replaced and it was STILL there.
Audi has taken an S4 to pieces 3 times trying to find the cause of this with no success. There is NO hard evidence that this is a problem BUT there is no hard evidence that this is not.
I HIGHLY recommend having the dealer check for a loose heat shield and if they cant figure it out, try to forget it. One guy went damn near insane trying to make Audi fix it and it was hopeless because they couldn't identify it in the first place.
Audi has taken an S4 to pieces 3 times trying to find the cause of this with no success. There is NO hard evidence that this is a problem BUT there is no hard evidence that this is not.
I HIGHLY recommend having the dealer check for a loose heat shield and if they cant figure it out, try to forget it. One guy went damn near insane trying to make Audi fix it and it was hopeless because they couldn't identify it in the first place.