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start up rattle, possible exhaust leak?

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Old Jan 5, 2012, 03:31 PM
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start up rattle, possible exhaust leak?

as i have mentioned above...i am wondering if it an exhaust leak somewhere.. i can hear it clearly coming from under the car where i open the door and staring it but cannot telll how loud it is since i am hard of hearing. but this only happens when it is cold and at start up...possible bad gasket? when it is warm, the noise goes away. I only have 60k miles on it right now and i do know my stock warranty is out but i have extended up to 100k miles. i dont know if it can be replaced under that since our exhaust are stainless steel which should not rust and believe to last up to about 100k miles unless i am mistaken.

any feedback would be appreciated.
Old Jan 5, 2012, 03:44 PM
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Best bet is to lift the front of the car, start it, and see where its coming from. Thats the best we can do for you on here.


How do you expect someone to tell you what you are hearing? It could be a few different things.
Old Jan 5, 2012, 04:02 PM
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If it helps, I had a rattly stock catalytic converter. Something inside it had collapsed or busted. It rattled quietly at some revs/speeds while driving, and made a nasty death-rattle when I turned off the engine once warm.

A bit different circumstances to yours, but you never know... could be a rattly cat. Dealer should be able to check it out.

Rich
Old Jan 6, 2012, 01:10 PM
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Try tightening all the exhaust hardware yet?
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