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Hemi tick?

22304 Views 36 Replies 19 Participants Last post by  wallyo
so I noticed this annoyng racket coming from the engine while I'm driving near a wall, other cars or a divider. It gets louder when MDS is on and becomes faint again when all cylinders fire up. i tried parking and revving the motor up but heard absolutely nothing at all. Is this the infamous Hemi tick?

2010 Commander Sport Hemi
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I have a 2010 Hemi and mine has made this sound since new. I also worried it might be an exhaust leak. I hear it with windows down when accelerating, not really at idle.
Different oil, filter and multiple Predator tunes haven't made a difference.
So, is it the consensus that this phenomenon is harmless and common?
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