1997 Oldsmobile Bravada Owner's Manual - Page 238

All-Wheel Drive Transfer Case When to Check Lubricant Refer to the Maintenance Schedule to determine how often to check the lubricant. See "Periodic Maintenance Inspections" i n the Index. What to Use Refer to the Maintenance Schedule to determine what kind of lubricant to use. See " R e c o ~ n ~ ~ ~ eFluids n d e d and Lubricants" i n the Index. Front Axle When to Check and Change Lubricant Refer to the Maintenance Schedule todetermine how often to check the lubricant and when to change it. See "Scheduled Maintenance Services" i n the Index. How to Check Lubricant If the level is below the bottom of the filler plug Ilole, you'll need to add some lubricant. Add enough lubricant to raise the level to the bottom of the filler plug hole.