GMC 2001 Jimmy Owner's Manual page 294

Some vehicles may be equipped with a hoist shaft hole
cover on the passenger side of the rear bumper. You
must remove this to gain access to the hoist shaft hole.
Insert your index finger into the indentation near the
lamp and pull to remove the cover.
3. Turn the wheel wrench counterclockwise to lower the
spare tire. Keep turning the wheel wrench until the spare
tire can be pulled out from under the vehicle.
5-20
When the tire has been completely lowered, tilt the
retainer at the end of the cable and pull it through the
wheel opening. Pull the tire out from under the vehicle.
NOTICE:
To help avoid vehicle damage, do not drive the
vehicle before the cable is properly stored.
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If you have an inside mounted spare tire, the tire must
be removed in order to have access to the jack storage.
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To remove an inside mounted spare tire, reach into your
tire's cover and unscrew the wing nut at the center of the
wheel. Remove it and the retainer. Unhook the tire from
the mounting bracket and remove the cover.
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To remove a rear mounted spare tire, first make sure
that the carrier arm is fully
Then remove the spare tire cover.
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latched to the endgate.