Hello GM trans techs. Neighbors truck only acts up when pulling their trailer. About 6-7,000 lbs. load. when warmed up will go into "limp" mode. They either loose 2-3, 3-4,& converter lock up. Won't do it for us when driving normal to and from shop. Won't do i...

FIX posted 1/25/2001

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