theAT4

2020 at4,122k , 5.3 10 speed hey i Have this truck since cero miles most miles on hwy I've been with this shudder about 5 months , now.. this kind of issue is common on GMC trannies , at the moment I really dont know how to proceed is my only vehicle. but sometimes it feels like is grinding something with tires , sometimes is pulling back and so on , some people says AMZOIL does a fix but who knows . the only thig that I can think of class action law suit because historie of this companie says they been seeling this vehicles knowing this issues