GMC 2001 Yukon XL Owner's Manual page 287

Suburban/Yukon XL Models
A. Bottle Jack
B. Wheel Blocks
C. Wing Nut
D. Mounting Bracket
E. Removable Tray
5-20
F. Retaining Hook
G. Retaining Bracket
and Wing Nut
H. Tool Kit with Jack
Tools and Gloves
The equipment you'll need is under the storage tray in
the left trim panel for Suburban/Yukon XL models.
For utility models, the equipment is located under the
rear seat behind the driver's seat and behind the left trim
panel in the rear of the vehicle. Skip the first step and
follow the last three.
1. Remove the tray to access the tools.
2. There is a wing nut used to retain the tool kit.
To remove it, turn the wing nut counterclockwise.
3. To release the bottle jack from its holder, turn the
knob on the bottle jack counterclockwise to lower
the jack head.
4. The wheel blocks and the wheel block retainer can be
removed by turning the wing nut counterclockwise.
You'll use the jack handle extensions and the wheel
wrench to remove the underbody
-
mounted spare tire.