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Old 09-17-2013, 01:26 PM
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Rattling Noise When Decelerating

When I'm driving 30mph and above and I decelerate a weird rattling noise comes from what sounds like underneath my jeep. It almost sounds as if some part of my exhaust system is rattling around. I went under and pounded on the exhaust everywhere, all the way from the manifold to the tail pipe. Not a squeak. What couldn't be??? Thanks guys!
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Old 09-17-2013, 03:01 PM   #2
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Check the heat shield. Sounds like a mouse in a tin pan?

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Old 09-17-2013, 04:30 PM   #3
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Very possible that you have a loose or broken baffle in the muffler, been there done that.
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Old 09-17-2013, 04:42 PM   #4
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I would bet "honeycomb" in your catalytic converter could be broken up and rattling around. Or a heat shied could be loose.
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