1997 GMC Sonoma Owner's Manual - Page 228
1997 GMC Sonoma Manual
Page 228 highlights
6. Remove any rust or dirt from the wheel bolts, mounting surfaces and spare wheel. A CAUTION: I I 7. Place the spare on the wheel mounting surface. 8. Put the nuts on by hand. Make sure the cone-shaped end is toward the wheel. Tighten each nut by hand until the wheel is held against the hub. If a nut can't be turned by hand, use the wheel wrench and see your dealer as soon as possible. - Never use oil or grease on studs nuts. If you or do, the nuts might come loose. Your wheel could fall off, causing a serious accident. L U Rust or dirt the wheel, or on the parts to on which it is fastened, can make the wheel nuts become loose after a time. The wheel could come off and cause an accident. When change a you wheel, remove any rust dirt from the places or where the wheel attaches to the vehicle. In an emergency, you can use a cloth or a paper towel use to do this; but be sure to a scraper or wire brush later, if you need to, to get all the rust or dirt off. 5-30