1998 Chevrolet Venture Owner's Manual - Page 356

~ ~ Engine Coolant The cooling s stem in your vehicle is filled with DEX-COOL J engine coolant. This coolant is designed to remain in your vehicle for 5 years or 150,000 miles (240 000 km) whichever occurs first, if you add only DEX-COOLd extended life coolant. The following explains your coolingsystem and how to add coolant when it is low. If you have a problem with engine overheating, see "Engine Overheating" in the Index. NOTICE: When addingcoolant, itis important thatyou use only DEX-COOL@(silicate-free) coolant. If coolant other than DEX-COOL is added to the system, premature engine, heater coreor radiator corrosion may result. In addition, the engine coolantwill require change sooner at 30,000 miles (50 000 km) or24 months, whichever occurs first. Damage causedby the is not use of coolant other than DEX-COOL@ covered by your new vehicle warranty. -- A 50/50 mixture of water andDEX-COOL@ coolant will: 0 Give freezing protection down to -34°F (-37°C). Give boiling protection up to 265 O F ( 129 C). O Protect against rust and corrosion. Help keep the proper engine temperature. 0 Let the warning lights and gages work as they should. 6-21