1996 GMC Savana Van Owner's Manual - Page 244

Engine Coolant The cooling system in your vehicle is filled with new DEX-COOL (orange-colored, silicate-free) engine coolant. This coolantis designed to remain in your vehicle for 5 years or 100,000miles (166 000 km), whichever occurs first. TM NOTICE: When adding coolant it is important that you use DEX-COOL (orange-colored, silicate-free) coolant meeting GM Specification 6277M. If silicated coolant is added to the system, premature engine, heater core or radiator corrosion may result. In addition, the engine coolant will require change sooner at 30,000 miles (50 000 km) or 24 months, whichever occurs first. TM The following explainsyour cooling system and how to add coolant when it is low. If you have a problem with engine overheating, see"Engine Overheating" in the Index. -- A 50/50 mixture of water and the proper coolant for your vehicle will: Give freezing protection down to -34°F (-37°C). Give boiling protection up to 265 "F ( 129O C). 0 Protect against rust and corrosion. Help keep the proper engine temperature. Let the warning lights and gages work as they should. 6-20