1998 GMC Safari Owner's Manual - Page 287

Rear Axle When to Check and Change Lubricant Refer to the Maintenance Schedule to determine how often to check the lubricant and when to changeSee it. "Scheduled Maintenance Services" in the Index. What to Use Refer to the Maintenance Schedule to determine what kind of lubricantto use. See "Recommended Fluids and Lubricants" in the Index. Engine Coolant The cooling s stem in your vehicle filled with is DEX-COOL J engine coolant. This coolant is designed to remainin your vehiclefor 5 years or 150,000 miles (240 000 k )whichever occursfirst, if you add only m DEX-COOL' extended life coolant. How to Check Lubricant The following explains your cooling system and how t add coolant whenit is low. If youhave a problem with engine overheating,see "Engine Overheating" in the Index. A 50/50mixture of water and DEX-COOL@ coolant will: 0 0 0 Give freezing protection down to-34°F (-37°C). Give boiling protection up to " F (129°C). 265 Protect against rust and corrosion. Help keep the proper engine temperature. Let the warning lights and gages work as they should. If the levelis below the bottomof the filler plug hole, you'll need to add some lubricant. Add enough lubricant to raisethe level to the bottom the filler plug hole. of 0 6-25