1997 Pontiac Trans Sport Owner's Manual - Page 318

1 Rust or dirt on the wheel, or on theparts to which it is fastened, can make the wheel nuts become loose after atime. The wheel could come off and causean accident. When you change a wheel, remove anyrust or dirt from the places where thewheel attaches to the vehicle. In an emergency, you can use a cloth or a paper towel to do this; but be sure to a scraper or use wire brush later, if you need to,to get all the rust or dirt off. 8. Install spare tire and replace the wheel nuts with the roundedend of the nuts toward the wheel. Tighten each nut hand until the wheel held by is against the hub. \ Never use oil or greaseon studs ornuts. If you do, the nuts might come loose. Your wheelcould fall off,causing a serious accident. 9. Lower the vehicleby attaching the folding wheel wrench to the jack and rotating the wrench counterclockwise. Lower the jack completely. 5-29