1996 GMC Savana Van Owner's Manual - Page 196

FroF Towing A towlng dolly must be used under the drive wheels when towing from the front. Tow Limits -- 35 mph (56 k h ) , SO miles (80 km) NOTICE: Do not tow with sling-type equipment or the front bumper system will be damaged. Use wheel-lift or car-carrier equipment. Additional ramping may be required for car-carrier equipment. Use safety chains and wheel straps. Towing a vehicle over rough surfaces could damage a vehicle or wheel-lift equipment. To help avoid damage, install a towing dolly and raise thevehicle until adequate clearance is obtained between the ground and/or wheel-lift equipment. 5-8