1996 GMC Savana Van Owner's Manual - Page 197

Rear Towing NOTICE: Do not tow the vehicle from the rearwith loads approaching ratedGVW as the weight transfer will cause the front suspension to become overloaded. NOTICE: Do not tow with the sling-type equipment the or rear bumper will be damaged. Use wheel-lift or car-carrier equipment. Additional ramping may be required for car-carrier equipment. Use safety chains andwheel straps. Towing a vehicle over rough surfaces could damage a vehicle. To help avoid damage, install a towing dolly and raise the vehicle until adequate clearance is obtained between the ground and/or wheel-lift equipment. 5-9