1995 GMC Jimmy Owner's Manual - Page 260

What to Use Refer to the Maintenance Schedule to determine what kindof lubricant to use. See"Recommended Fluids and Lubricants" inthe Index. Four- Wheel and All- Wheel Drive Most lubricant checks inthis section also apply to four-wheel4rive and all-wheel-drive vehicles. However, they have two additional systems that need lubrication. Transfer Case When to Check Lubricant Refer to the Maintenance Schedule to determine how often to check the lubricant. See "Periodic Maintenance Inspections" in the Index. How to Check Lubricant If the level is below the bottomof the filler plug hole, you'll need to add some lubricant. Add enough lubricant to raise the level to the bottom of the filler plug hole. What to Use Refer to the Maintenance Schedule to determine what kind lubricant to of use. See "Recommended Fluids and Lubricants" in the Index. Front Axle When to Check and Change Lubricant Refer to the Maintenance Schedule to determine how often to check the lubricant and when to change it. See "Scheduled Maintenance Services" in the Index. 6-20