GMC Sierra Denali 2014 Owner's Manual page 345

3. Insert the hoist end (open
end) (10) of the extension
through the hole (9) in the rear
bumper.
Be sure the hoist end of the
extension (10) connects to the
hoist shaft. The ribbed square
end of the extension is used to
lower the spare tire.
4. Turn the wheel wrench
counterclockwise to lower the
spare tire to the ground.
Continue to turn the wheel
wrench until the spare tire can
be pulled out from under the
vehicle.
5. Use the wheel wrench hook to
pull the hoist cable closer to
assist in reaching the spare tire.
Vehicle Care
6. Tilt the tire toward the vehicle
with some slack in the cable to
allow access to the tire/wheel
retainer.
Tilt the retainer and pull it
through the center of the wheel
along with the cable and spring.
7. Put the spare tire near the
flat tire.
Removing the Flat Tire and
Installing the Spare Tire
Use the following pictures and
instructions to remove the flat tire
and raise the vehicle.
10-75