1997 GMC Sonoma Owner's Manual - Page 231

H 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. 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 an 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. G You will hear two "clicks" when the tire is secure, but pull on the tire to make sure. A. Wheel Wrench Return the jack, wheel wrench and wheel blocks to the proper location behind the seat. Securethe items. B. Hoist Assembly C. Retainer D. Spring E. Tire E Valve Stern (Pointed Down) G. Lower H. Raise