Exhaust rattles? at higher rpms

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06-24-2005, 04:06 PM

ben99sel

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Exhaust rattles? at higher rpms

Hey guys... lately I have been getting a type of rattle/vibration from the cat area of my exhaust. It only happens once the exhaust is hot, not cold. Is it my cat? Everytime I get on it, the cat smells like *%$. But, could it be my y-pipe? Anybody have any ideas?

06-24-2005, 06:17 PM

Loe max

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Check your heat shield if you suspect that its coming from the cat area. Also, check the crossmember and maybe even the Y-pipe hanger to see if its loose or rattling against it.

06-24-2005, 07:09 PM

happyricefob

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could be bolts that are hanging lose

06-25-2005, 10:09 AM

ben99sel

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yeah, I will check the heat shield and bolts... hopefully it is that easy.

07-01-2005, 11:52 AM

1995WhiteMaxima

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heat shield

sounds like the heat shield to me...mine did the same thing after 2 darn muff replacements the darn things still rusted off...so i gently ripped it off...and viola no more rattling. Hangers ok? The rattling gets loud esp as water starts getting trapped and heats up and bubbles out...

09-17-2005, 11:20 PM

ben99sel

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well, I finally found out what the problem was....it was the big resonator that I had installed on my b-pipe. It was broken down and a little rusted inside...so it was replaced today, no more rattle noise. Hope this helps somebody.