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Old 01-26-2009, 07:11 PM   #1
Pinto009
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Help ROD scraped

hey guys i pulled my valve cove today to replace the gasket and i noticed that the rod was scraped all around in one spot what could be causeing this a spun bearing or any other bearing i guessing this is causeing that ticking noise thanks for you help
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Old 01-26-2009, 07:21 PM   #2
BigD
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Try googling images of the words you're using (and their locations in the engine). I'll guess what you're describing is a scored cam lobe. If so, and you have a 6 cylinder M30, this can be caused by the banjo bolts in the oiling bar working loose, and starving the cam lobes.
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Old 01-28-2009, 09:16 AM   #3
Pinto009
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hey thanks for the reply it is a 1998 528i i belive the m52 engine on it dose that have the bolt you were talking abut i try to get pic of it its only scaped in one section on the rod
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Old 01-28-2009, 10:46 PM   #4
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No, I'm actually not 100% sure how the dohc motors oil their cam lobes... To be honest, we can guess until the cows come home, take it to Bimmersport, he'll give you a no BS answer in seconds.
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