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Old 06-27-2010, 12:06 AM
2010BHDodge 2010BHDodge is offline
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Join Date: Apr 2010
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Engine: 2009-2010 345ci (5.7L) Hemi V8 390hp 407lb/ft
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I've seen two other 09 hemis do this. A dealer told me it was "piston slap" on startup but that doesn't sound right. I would suspect more to do with lubrication - either the light oil or if there is the check valve problem as mentioned in earlier posts.
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