Thank you, for the help... you sound very confident in your response and I will have this looked at ASAP, but if either of these are NOT the problem where else can or should I look?
I have a 2013 GMC Yukon XL 1500 SLT 5.3 with 6L80 transmission and 203,000+ miles. The problem I’m having, when I first start the truck and drive it, it drives and shifts fine until the transmission reaches 180°-190° at this point if I come to a complete stop and then press on the gas it won’t...
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