1998 Oldsmobile Bravada Owner's Manual - Page 233

6. Remove any rust or dirt from the wheel bolts, mounting surfaces and spare wheel. 4. Raise the vehicle by turning thejack handle to the right. Raisethe vehicle far enough off the ground so there is enough room for the spare tire to fit. 5. Remove all thewheel nuts and take off the flat tire. Rust or dirton thewheel, or on theparts to which it is fastened, can make the wheel nuts become looseafter a time. The wheel could come off and cause an accident. When you change a wheel, remove any rust or dirt from places the where the wheel attaches to the vehicle. In an emergency, youcan use a cloth or a papertowel to do this; but be sure touse a scraper or wire brush later,if you need to, to get all the rust or dirt off. 5-27