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Mildly jerking when going uphill

Interleukin6

By Interleukin6
in 2019-2025 Silverado & Sierra

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Interleukin6 Enthusiast

Interleukin6

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2022 LTD LT 2.7T with 8 speed. I changed transmission fluid and filter at 45k miles by myself. Now at 51k miles. Mine has been mildly jerking when going a pretty long (more than a quarter mile) uphill at 50-70 mph on the way home from work. It disappears when the gas pedal is released and pressed again at that time. Otherwise it never recurs under any driving conditions. Is the transmission going bad or any other part(s) being broken? Thanks for your input.

Edited by Interleukin6
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64BAwagon Senior Enthusiast

64BAwagon

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I believe there was a bulletin on the 6.6 in the HD trucks with the 6 spd doing the same thing under load. It was for a transmission issue that sounded serious. I dont have the info but a few searches may lead to something 

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