GMC 1996 Sonoma Owner's Manual page 217

1 .
Put the tire on the ground at the rear of the vehicle,
with the valve stem pointed down and to the rear.
2. Pull the retainer through the wheel.
Return the jack. wheel wrench and wheel blocks to the
proper location behind the seat. Secure the items.
Note that with the ZR2 option, the spring and
retainer must be separated to insert through the
wheel opening.
3. Put the chisel end of the wheel wrench,
on a-n
angle,
through the hole in the rear bumper and into the hoist
shaft. Turn the wheel wrench clockwise until the tire
is raised against the underside of the vehicle.
You will hear two "clicks'? when the tire is secure,
but pull on the tire to make sure.
A.
Wheel Wrench
B. Bracket
C. Jacking Instructions
(Roll and place tag
behind the bracket
after the tools are
installed.)
D. Bolt Location
(Standard)
E. Bolt Location (ZR2)
F. Wheel Blocks
G. Nut
H.
Rubber
Band
1. Jack Position (ZR2)
J. Jack Position
(Standard)