2003 GMC Envoy Owner's Manual - Page 372

Never use oil or grease on studs or nuts. If you do, the nuts might comeloose. Your wheel could fall off, causing a serious accident. I 10. 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. 8. Place the spare on the wheel mounting surface. 9. Put the nuts on by hand. Make sure the rounded end is toward the wheel 11. Lower the vehicle by turning the jack handle counterclockwise. Lower the jack completely. 5-77