Reply To: 2021 GMC Sierra 1500 AT4 Lifter Collapse

Thx for any input, i only use this truck to pull our small travel trailer, yes im an fanatic w my truck, stored in the winter,its my retirement truck, thx for any input, im still concerned about the mechanics work at this dealership,yes the build date on my truck was right of that bad lifter issue,bad luck, hoping both banks replaced solves it forever, not wanting to break down again pulling a trailer far from home