Chevrolet 2011 Express 1500 Cargo Owner's Manual page 348

If you have a van with the
15 passenger seating arrangement,
the equipment you will need is
secured on the rear floor of the
passenger side of the vehicle.
To access the equipment, remove
the retaining wing bolt and lift it out
of the mounting bracket.
The tools you will be using include:
A. Jack
B. Jack Handle
C. Hoist Extension
D. Jack Handle Extension
E. Wheel Wrench
The spare tire is mounted in the
rear underbody of the vehicle.
You will use the hoist extension, the
jack handle extensions and the
wheel wrench to remove the
underbody mounted spare tire.
To lower the spare tire from
the vehicle:
A. Spare Tire
B. Tire/Wheel Retainer
C. Hoist Cable
D. Hoist Assembly
E. Hoist Shaft
F. Jack Handle and
Hoist Extensions
G. Wheel Wrench