2010 GMC YUKON DENALI lock

To access the spare tire:
A. Hoist Assembly
B. Hoist Shaft
C. Hoist Shaft Access Cover/Hole
D. Jack Handle Extensions
E. Wheel Wrench F. Hoist Cable G. Tire/Wheel Retainer
H. Spare Tire (Valve Stem Pointed Down)
I. Hoist Shaft Access Hole
J. Hoist End of Extension Tool
K. Spare Tire Lock 1. To reach the hoist shaft access cover (C), you will
first need to remove the hitch cover. Remove it by
turning the two fasteners located at the bottom of
the cover counterclockwise and then pull the cover
down and rotate towards you.
2. Remove the hoist shaft access cover (C) on the bumper to access the spare tire lock (K).
3. To remove the spare tire lock, insert the ignitionkey, turn it clockwise and then pull straight back.
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4. Assemble the two jack handle extensions (D) andwheel wrench (E) as shown.
5. Insert the open end ofthe extension (J)
through the hole in the
rear bumper (I) (hoist
shaft access hole).
Be sure the hoist end (J) of the extension (D)
connects to the hoist shaft (B). The ribbed square
end of the extension is used to lower the spare tire. 6. Turn the wheel wrench (E) counterclockwise to
lower the spare tire (H) to the ground. Continue to
turn the wheel wrench until the spare tire can be
pulled out from under the vehicle.
If the spare tire does not lower to the ground, the
secondary latch is engaged causing the tire not to
lower. See Secondary Latch System
on page 6‑91for more information.
7. Use the wheel wrench
hook that allows you to
pull the hoist cable
towards you, to assist
in reaching the
spare tire.
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Removing the Flat Tire and Installing
the Spare Tire
1. Do a safety check before proceeding.See Changing a Flat Tire on page 6‑80.
2. If the wheel has a center cap that covers the wheel
nuts, place the chiseled end of the wheel wrench in
the slot on the wheel and gently pry the cap out.
3. Use the wheel wrench to loosen all the wheel nuts.Turn the wheel wrench counterclockwise to loosen
the wheel nuts. Do not remove the wheel nuts yet.
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Front Position
Front Tire Flat: If the flat tire is on a front tire
of the vehicle, you will need to use the jack
handle (B) and only one jack handle extension (C).
Attach the wheel wrench (D) to the jack handle
extension (C). Attach the jack handle (B) to the
jack (A). Position the jack on the frame behind the
flat tire where the frame sections overlap (E).
Turn the wheel wrench (D) clockwise to raise the
vehicle. Raise the vehicle far enough off the
ground so there is enough room for the spare tire
to clear the ground.Rear Position
Rear Tire Flat: If the flat tire is on a rear tire of the
vehicle, you will need to use the jack handle (B)
and both jack handle extensions (C). Attach
the wheel wrench (D) to the jack handle
extensions (C). Attach the jack handle (B) to the
jack (A). Use the jacking pad (E) provided on the
rear axle. Turn the wheel wrench (D) clockwise to
raise the vehicle. Raise the vehicle far enough off
the ground so there is enough room for the spare
tire to clear the ground.
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8. Put the wheel nuts back on with the rounded endof the nuts toward the wheel after mounting the
spare tire.
9. Tighten each wheel nut by hand. Then use the wheel wrench to tighten the nuts until the wheel is
held against the hub.
10. Turn the wheel wrench counterclockwise to lower the vehicle. Lower the jack completely.
{WARNING:
Wheel nuts that are improperly or incorrectly
tightened can cause the wheels to become loose
or come off. The wheel nuts should be tightened
with a torque wrench to the proper torque
specification after replacing. Follow the torque
specification supplied by the aftermarket
manufacturer when using accessory locking
wheel nuts. See Capacities and Specifications
on
page 6‑115
for original equipment wheel nut
torque specifications. Notice:
Improperly tightened wheel nuts can lead
to brake pulsation and rotor damage. To avoid
expensive brake repairs, evenly tighten the wheel
nuts in the proper sequence and to the proper
torque specification. See Capacities and
Specifications
on page 6‑115for the wheel nut
torque specification.
11. Tighten the nuts firmly in a crisscross
sequence as shown by
turning the wheel
wrench clockwise.
When you reinstall the regular wheel and tire, you must
also reinstall the center cap, if your vehicle has one.
Line up the tabs on the back of the center cap with
the slot on the wheel. The cap only goes in one way.
Place the cap on the wheel and gently press until it
snaps into place.
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Secondary Latch System
Your vehicle has an underbody-mounted tire hoist
assembly equipped with a secondary latch system.
It is designed to stop the spare tire from suddenly falling
off your vehicle. For the secondary latch to work, the
spare must be installed with the valve stem pointing
down. SeeStoring a Flat or Spare Tire and Tools
on
page 6‑94.
{WARNING:
Before beginning this procedure read all the
instructions. Failure to read and follow the
instructions could damage the hoist assembly and
you and others could get hurt. Read and follow
the instructions listed next. To release the spare tire from the secondary latch:
1. Check under the
vehicle to see if the
cable end is visible.
If the cable is not
visible proceed to
Step 6.
2. If it is visible, first try to tighten the cable by turning the wheel wrench clockwise until you hear two
clicks or feel it skip twice. You cannot overtighten
the cable.
3. Loosen the cable by turning the wrench counterclockwise three or four turns.
4. Repeat this procedure at least two times. If the spare tire lowers to the ground, continue with
Step 5 of Removing the Spare Tire and Tools
on
page 6‑81.
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5. If the spare does not lower, turn the wrenchcounterclockwise until approximately 6 inches
(15 cm) of cable is exposed.
6. Stand the wheel blocks on their shortest ends, with the backs facing each other.
7. Place the bottom edgeof the jack (A) on the
wheel blocks (B),
separating them so that
the jack is balanced
securely.
8. Attach the jack handle, extension, and wheelwrench to the jack and place it (with the wheel
blocks) under the vehicle toward the front of the
rear bumper.
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9. Position the center lift point of the jack under thecenter of the spare tire.
10. Turn the wrench clockwise to raise the jack until it lifts the end fitting.
11. Continue raising the jack until the spare tire stops moving upward and is held firmly in place.
The secondary latch has released and the spare
tire is balancing on the jack.
12. Lower the jack by turning the wheel wrench counterclockwise. Keep lowering the jack until the
spare tire slides off the jack or is hanging by the
cable.
{WARNING:
Someone standing too close during the procedure
could be injured by the jack. If the spare tire does
not slide off the jack completely, make sure no
one is behind you or on either side of you as you
pull the jack out from under the spare.
13. Disconnect the jack handle from the jack and carefully remove the jack. Use one hand to push
against the spare while firmly pulling the jack out
from under the spare tire with the other hand.
If the spare tire is hanging from the cable, insert
the hoist end of extension, and wheel wrench into
the hoist shaft hole in the bumper and turn the
wheel wrench counterclockwise to lower the spare
the rest of the way.
14. Turn the wheel wrench in the hoist shaft hole in the bumper clockwise to raise the cable back up if the
cable is hanging under the vehicle.
Have the hoist assembly inspected as soon as you can.
You will not be able to store a spare or flat tire using the
hoist assembly until it has been inspected and/or
replaced.
To continue changing the flat tire, see Removing the
Flat Tire and Installing the Spare Tire on page 6‑86.
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