GMC SIERRA 1997 Manual page 268

Front Position
Rear Position
3. 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.
~
4. Remove all the wheel
nuts and take off the
flat tire.
5 . Remove any rust or dirt
from the wheel bolts,
mounting surfaces and
spare wheel.
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