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03 Chev Malibu - loud knock when starting...
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Pavdog
New User
Sep 26, 2010, 8:56 PM
Post #1 of 2
(1392 views)
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03 Chev Malibu - loud knock when starting...
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when starting, a knocking coming from what I think is the exhaust pipe or muffler...feels like its right under drivers seat! After about 15-30 seconds it will smooth out and sound normal.
(when revving engine...I can't hear the knock, but returns when idles down)
Any ideas or suggestions will be appreciated!!! 
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Sidom
Veteran
/ Moderator
Sep 26, 2010, 8:59 PM
Post #2 of 2
(1390 views)
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Re: 03 Chev Malibu - loud knock when starting...
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I would probably start out with check all the exhaust hangers to make sure none are broken or missing. Then make sure all the motor mounts are good...
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