1996 GMC Safari Owner's Manual - Page 274

Tire Inspection and Rotation Tires should be inspected every 6,000 to 8,000 miles ( I O 000 to 13 000 km) for any signs of unusual wear. If unusual wear is present, rotate your tires as soon as possible and check wheel alignment. Also check for damaged tires or wheels. See "When It's Time for New Tires" and "Wheel Replacement" later in this section for more information. When rotating your tires, always use the correct rotation pattern shown here. in Don't include the compact spare tire your tire rotation. After the tires have been rotated, adjust the front and rear inflation pressures as shown on the CertificationRire label. Make certain that all wheel nuts are properly tightened. See "Wheel Nut Torque" in the Index. The purpose of regular rotation is to achieve more uniform wear for all tires on the vehicle. The first rotation is the most important. See "Scheduled Maintenance Services" in the Index for scheduled rotation intervals. Rust or dirt on a wheel, or on the parts to which it is fastened, can makewheel nuts become loose after a time. The wheel could comeoff and cause an accident. When you change a wheel, remove any rust or dirt from places where thewheel attaches to thevehicle. In anemergency, you can use a cloth or a paper towel to do this; but be sure to use a scraper or wire brush later, if you need to, to get all the rust or dirt off. (See "Changing a FlatTire'' in the Index.) 6-44