Hi, need some assistance from you Gm techs. This hummer has a 4L80e transmission,powered by a 6.5 turbo diesel. After coming to a stop when you go to take off the transmission feels like its not in gear/slipping then after you give it enough gas it shifts hard...

FIX posted 12/18/2009

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle