1998 GMC Envoy Owner's Manual - Page 241

Follow thisdiagram to store the underbody-mountedspare. Retainer Valve Stem (Pointed Down) Spare orFlat Tire Spring Wheel Wrench 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. 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 to the right 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. Return the jack, wheel wrench and wheel blocks to the proper location in your vehicle's rear area. Securethe items and replace the jack cover. I "3 b -1- E Lower G. Raise BJ I H. Hoist Arm 5-30