Chevrolet 1998 Express Van Owner's Manual page 232

5. Raise the vehicle by rotating the ratchet to the right.
Make sure the UP mark faces you. Raise the vehicle
far enough off the ground so there is enough room
for the spare tire to fit.
6. Remove all the wheel
nuts, and take off the
flat tire.
7. Remove any rust or dirt
from the wheel bolts,
mounting surfaces and
spare wheel.
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