1998 GMC Safari Owner's Manual - Page 254

9. Remove any .mstar dirt from the wh&bolt~, mounting surfaces and spare wheel, r ' A CAUTION: Never useoil or grease on studs or nuts, If you do, the nuts might come loose. Your wheel could fall off, causing a serious accident. 10. Put on the spare tire. Put the nuts on by hand. Make sure .thecone-shapedend i s toward the wheel. Tighteneach nut by hand until the wheel is held against the hub. I€ a nut can't be turned by hand, .use the extension and se.e your deder as soon as possible, RUSLr dirt oh Lhe wheel, or on the parts to rr which it is frrstened, am make the wheel nuts become loose after a time. The wheel couId come aff and cause an accident. When you change a wheel, removeany rust or dirt &om 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 8 scraper or wire brush later, if you need to, to get all the rust or dirt off, 5-32