1997 GMC Suburban Owner's Manual - Page 270

5 . Remove all the wheel nuts and take off the flat tire. Front Position Rear Position 4. With UP on the ratchet facing you, raise the vehicle by rotating the ratchet and wheel wrench clockwise. Raise the vehicle far enough off the ground so there is enough room for the spare tire to fit. 6. Remove any rust or dirt from the wheel bolts, mounting surfaces and spare wheel. 5-30