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2016 Yukon XL Denali 8-speed Kick at stop
Transmission is 8L90 (M5U). After driving and trans-fluids hot, a hard kick is felt when stopping and downshifting into 1st. When moved into manual, downshifting 3-2-1 while slowing to a stop does not have the kick. When trans is cold, no kick is present. Complete flush & filter and the TCM...- GregP61
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- Forum: Engine & Drivetrain
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