Join Date: Sep 2014
Location: Black Diamond, WA
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I'd say the tech doesn't know wth he's talking about with a great deal of certainty.
First, is this condition when youre driving and shifting gears or stopped and disengaging the clutch?
Either way, gear rollover noise is virtually not present with a stock dmf clutch. Second, it only happens in gear, accelerating at lower rpm range and is a condition of a solid flywheel clutch, not a dmf clutch. Been over 10 years since mine had the dmf clutch, but I don't recall any noise until I put a good clutch in it.
You're much closer to the cause. Pilot or throwout bearing is more likely.
FWIW, my throwout bearing was toast at 40k on the original clutch and pilot was good. 80k later, both were still ok when I installed the 2nd replacement clutch, but replaced both due to miles.
07 5.9 Mega, G56, SB Single disk Ceramic clutch, OE 1 piece Al driveshaft, 60hp Industrial injectors, Triple dog, Glacier 2mic filter, BD exhaust brake, ATI Super Damper, BD steering brace, Firestone bags, Big Wig swaybar, 4th Gen 20s and some home made Stableloads.