GMC 2001 Sierra 1500 Pickup Owner's Manual page 327

1. If there is a cover, move the seats forward and
turn the wing nut on the cover counterclockwise to
remove it. For Crew Cab models, pull up the second
row seat with the loop at the base of the seat cushion
to access the tools.
2. The wheel blocks and the wheel block retainer can be
removed by turning 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 slightly.
4. There is also a wing nut used to retain the
storage bag and tools. To remove it, turn the
wing nut counterclockwise.
You'll use the jack handle and the wheel wrench to
-
remove the underbody mounted spare tire.
A. Hoist Assembly
B. Wheel Wrench
C. Extensions
D. Hoist Shaft
E. Valve Stem,
Pointed Down
F. Spare Tire
G. Tire Retainer
H. Hoist Cable
I. Hoist Lock
J. Hoist Shaft
Access Hole
K. Hoist End
5-21