Truck goes into 4L, N, 2H, but when I put it in 4H it sounds like the gears bang
What is your question?
It sound like the side of the gears hit each other and it won't engage
How long has your 1996 GMC K3500 had this problem?
A few months
What are the best GMC repair shops?
RepairPal Certified shops can diagnose and repair your 1996 GMC K3500. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.