Rear Axle; Four-Wheel Drive; Transfer Case; When To Check Lubricant - GMC Envoy 2003 Owner's Manual

Rear Axle

When to Check Lubricant

Refer to the Maintenance Schedule to determine how
often to check the lubricant.
How to Check Lubricant
To get an accurate reading, the vehicle should be on a
level surface.
The proper level is from 0 to 3/8 inch (0 to 10 mm)
below the bottom of the filler plug hole.
5-48
What to Use
Refer to the Maintenance Schedule to determine what
kind of lubricant to use. See Part D: Recommended
Fluids and Lubricants on page 6-18 .

Four-Wheel Drive

Lubricant checks in this section also apply to these
vehicles. However, there are 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 Part C: Periodic
Maintenance I nspections on page 6-16 .