2007 Chevrolet Silverado 2500 Pickup Owner's Manual - Page 575

6. Remove all the wheel nuts and take off the flat tire. CAUTION: (Continued) or dirt from the places where the wheel attaches to the vehicle. In an emergency, you can use a cloth or a paper towel to do this; but be sure to use a scraper or wire brush later, if needed, to get all the rust or dirt off. 7. Remove any rust or dirt from the wheel bolts, mounting surfaces, and spare wheel. {CAUTION: Rust or dirt on the wheel, or on the parts to which it is fastened, can make the wheel nuts become loose after a time. The wheel could come off and cause an accident. When you change a wheel, remove any rust CAUTION: (Continued) 575