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Old 03-28-2018, 11:57 PM   #65
Cgocifer

 
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Drives: 2018 1SS 1LE, 2015 RAM Ecodiesel
Join Date: Oct 2017
Location: Maryland
Posts: 1,451
Mine too. 700 Miles. Are your noises intermittent like a ticking but more of a metallic rattle, chirping (hard to describe)? Goes away after about 40 seconds.

I thought mine might be the exhaust baffle rattle that goes away after it closes after it goes into normal idle mode and the RPMs drop from initial cold start.

Can't quite pinpoint where it's coming from. At first I thought it might be the dreaded AFM lifter issue or a bad lifter roller. May still be, but it doesn't sound like it eliminates from the heads.
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