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Wierd knocking or rattling sound on drivers side 08 g37s coupe

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Old 11-17-2016, 03:33 PM
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HyperHypnotic
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Wierd knocking or rattling sound on drivers side 08 g37s coupe

It's a lot more audible from under the car. Sounds like it's coming from just before the car. The speed of the rattle increases as I raise the rpms, but disappears after around 2000. I sounds like an engine knock but I know it isnt. It sounds like a loose hanger or bracket or something. I really have no idea to be honest.
Here's the video of the sound:

Last edited by HyperHypnotic; 11-17-2016 at 05:34 PM.
Old 12-08-2016, 04:42 PM
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Rob Tucker
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Interesting but try the easy stuff 1st. Check the exhaust and manifolds for holes. Do you have a rough idle or cel?
Old 12-08-2016, 04:50 PM
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HyperHypnotic
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Originally Posted by Rob Tucker
Interesting but try the easy stuff 1st. Check the exhaust and manifolds for holes. Do you have a rough idle or cel?
Nope idles fine, no waring lights either.
Old 12-12-2016, 06:06 AM
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Elco
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That sound's like the cat's or exhaust heat shields...
Old 12-12-2016, 12:57 PM
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HyperHypnotic
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Originally Posted by Elco
That sound's like the cat's or exhaust heat shields...
Well I took off the heat shield on the y pipe before the resonator so it isn't that.




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