All-Wheel Drive; Transfer Case - GMC 1999 Safari Owner's Manual

D
After adding fluid, recheck the fluid level as
described under "How to Check."
D
When the correct fluid level is obtained, push the
dipstick back in all the way; then flip the handle
down to lock the dipstick in place.
All Wheel Drive
-
- -
If you have an all wheel drive vehicle, be sure to
perform the lubricant checks described in this section.
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.
6-24
How to Check Lubricant
If the level is below the bottom of 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 of lubricant to use. See "Recommended Fluids and
Lubricants" in the Index.
yellowblue