my 6 litre is thumping????

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08-20-2009 | 09:46 PM

motorhead17745

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my 6 litre is thumping????

my03 f450 super duty with a 6.0 is making a loud thumping noise when idling and excel im thinking bent pushrod or bad valve but would like a second opinion before i tear into it....

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08-20-2009 | 09:53 PM

wildbill

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From: Billlings, MT

Could be many things. It's thumping as in it's got a miss??

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