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Old 07-03-2009, 06:22 PM
gynosis gynosis is offline
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Quote:
Originally Posted by kylerwho View Post
what type of rattling does it sound like?

something under my hood rattles around 2500 rpm but only when revving down and in gear and i cant find anything loose.
Chances are its the heat shield, you've hit the resonant frequency and it vibrates. Mine does the same at about 2500rpm.
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