1996 Chevrolet Blazer Owner's Manual - Page 268

What to Use 'Referto the Maintenance Schedule to determine what kind of lubricant to use. See "Recommended Fluids and Lubricants" in the Index. How to Check Lubricant Four-wheel Drive and All-Wheel Drive Most lubricant checks in this section also apply to four-wheel-drive vehicles. However, they have two additional systems that need lubrication. Transfer Case When to Check Lubricant Refer to the Maintenance Schedule to dererrnme how often to check the lubricant. See "Periodic Maintenance Inspections" in the Index. If the level is below the bottomof the filler plug hole, you'll need to add some lubricant. Add enough lubricant to raise the levelto the bottom of the filler plug hole. 6-20