All-Wheel Drive - GMC 2003 Yukon Owner's Manual

To disconnect the jumper cables from both vehicles do
the following:
1. Disconnect the black negative ( ) cable from the
vehicle that had the bad battery.
2. Disconnect the black negative ( ) cable from
vehicle with the good battery.
3. Disconnect the red positive (+) cable from the
vehicle with the good battery.
4. Disconnect the red positive (+) cable from the other
vehicle.
5. Return the positive (+) remote terminal cover to its
original position.

All-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 6-15 .
How to Check Lubricant
All-Wheel Drive Transfer Case (A) Fill Plug
(B) Drain Plug
To get an accurate reading, the vehicle should be on a
level surface.
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