1996 GMC Savana Van Owner's Manual - Page 210

NOTICE: Never remove or restore tire f r o d t o a stowage a is position under the vehicle while the vehicle supported by a jack. Always tighten the tire fully againstthe underside of the vehicle when restowing . If you have a vehicle which was completed from a cab and chassis, refer to the information from the body supplier/installer. The spare tire is a full size tire, like the other tires on your vehicle. For cargo vans, the jack is secured in the rear passenger side corner of the vehicle. L A flat rear tire reduces clearance to remove the spare tire. If there is less than 12 inches (30.48 cm) between the ground and the rear bumper or any trailer hitch, jack up the vehicle until the flat tireis off the ground. (See "Removing the Flat Tire" and "Installing the Spare Tire," Steps 4 through 8, in this section.) Unless your vehicle has a flat rear tire, do not remove or restore a tire from/to a stowage position under the vehicle while the vehicle is supported by a jack. Always tighten the tire fully against the underside of the vehicle when restowing. Remove the retaining wing bolt and lift it off the mounting bracket. Set the jack and jacking equipment near the flat tire. 5-22