1993 Buick Roadmaster Owner's Manual - Page 236

A CAUTIO N Rust ordirt on the wheel, which it is fastened, can make the wheel nu become loose after a time. The wheel could come off and causean accident. When you change a wheel, remove anyrust or dirt fro1 the places where the wheel attaches to the vehicle. In an emergency,you can usea cloth or a paper towel do this; but be sureto use a to scraper or wire brush later, if you need to, get to all the r - - - tor dirt off. use oil or gre e on stu Remove any rust or dirt fro-rnthe wheelbolts, rnoullLl1lg surfaces or spare wheel. Placethe spare on the wheel mounting surface. Replace.the wheel nuts withthe rounded endof the nuts toward the wheel. Tighten each nut by hand until the wheel is held against the hub. 234