This seems like text book cam phaser noise. I'm due for an oil change but want to get this sorted at the same time. Is there a TSB and part number(s) I can tell the dealer about so I am certain I'll be getting the revised part (plus new software)? My is a Feb. 2018 build with just over 48K. Noise started a month or so ago. Zero mods on the truck and super well cared for - all dealer maintenance every 5000 miles. This start was after engine was sitting for a couple of hours. On cold start it takes a bit longer to settlle down.
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