2009 GMC ACADIA lock

13. Disconnect the air only hose (G)
from the tire valve stem, by
turning it counterclockwise, and
replace the tire valve stem cap.
14. Replace the air only hose (G)
and the power plug (H) and
cord back in its original location.
15. Place the equipment in
the original storage location
in the vehicle.
The tire sealant and compressor kit
has an accessory adapter located
in a compartment on the bottom
of its housing that may be used to
inate air mattresses, balls, etc.Removal and Installation of
the Sealant Canister
To remove the sealant canister:
1. Unwrap the sealant hose.
2. Press the canister release button.
3. Pull up and remove the canister.
4. Replace with a new canister
which is available from your
dealer/retailer.
5. Push the new canister into place.
Tire Sealant and
Compressor Kit Storage
The tire sealant and compressor
kit is located in the storage
compartment on the driver side,
at the rear of the vehicle.1. Press down on the latch tab and
pull the cover off to access the
storage compartment.
2. Press the two tabs on the quick
release buckle to release the
tire sealant and compressor
kit strap.
3. Remove the sealant and
compressor kit from its tray.
To store the tire sealant and
compressor kit, reverse the steps.
5-68 Service and Appearance Care

Changing a Flat Tire
If a tire goes at, avoid further
tire and wheel damage by driving
slowly to a level place. Turn on
the hazard warning ashers.
SeeHazard Warning Flashers
on page 3-5.
{CAUTION
Changing a tire can be
dangerous. The vehicle can slip
off the jack and roll over or fall
on you or other people. You and
they could be badly injured or
even killed. Find a level place to
change your tire. To help prevent
the vehicle from moving:
1. Set the parking brake rmly.
2. Put the shift lever in
P (Park).
(Continued)
CAUTION (Continued)
3. Turn off the engine and do
not restart while the vehicle
is raised.
4. Do not allow passengers to
remain in the vehicle.
To be even more certain the
vehicle will not move, you should
put blocks at the front and rear of
the tire farthest away from the
one being changed. That would
be the tire, on the other side, at
the opposite end of the vehicle.
When the vehicle has a at tire (B),
use the following example as a
guide to assist you in the placement
of wheel blocks (A).A. Wheel Block
B. Flat Tire
The following information explains
how to use the jack and change
a tire.
Removing the Spare Tire
and Tools
The tools needed to remove the
spare tire are located in the storage
compartment on the driver side,
at the rear of the vehicle.
1. Open the jack storage
compartment by pulling on
the latch tab, located toward
the rear of the vehicle, and
pulling the cover off.
Service and Appearance Care 5-69

A. Tool Bag
B. Wing Bolt
C. Jack
2. Remove the wing bolt (B) by
turning it counterclockwise
3. Push the jack (C) up out of the
holding bracket.
4. Turn the jack on its side, with the
bottom facing toward you.
5. Pull the jack straight out,
bottom rst.The tools you will be using include
the jack (A) and lug wrench (B).
Removing the Spare Tire
The compact spare tire is located
under the vehicle, in front of the rear
bumper. SeeCompact Spare Tire
on page 5-81for more information
about the compact spare.A. Rear Convenience Center
B. Lug Wrench
C. Storage Compartment Cap Hole
D. Hoist Shaft
E. Compact Spare Tire
F. Retainer
G. Hoist Shaft Assembly
1. Open the storage compartment
door of the convenience center
that is nearest the liftgate and
remove the cap on the bottom
of the storage compartment.
5-70 Service and Appearance Care

2. Flip the carpet cutout that is
located through the hole of
the storage compartment.
3. Attach the lug wrench into the
hoist shaft.
4. Turn the lug wrench
counterclockwise to lower the
spare tire to the ground. Continue
turning the wrench until the
spare tire can be pulled out
from under the vehicle.5. Tilt the retainer and slip it
through the wheel opening
to remove the spare tire from
the cable.
6. Turn the wrench clockwise to
raise the cable back up after
removing the spare tire.
Do not store a full-size or a at
road tire under the vehicle.
SeeStoring a Flat or Spare
Tire and Tools on page 5-78.
To continue changing the at tire,
seeRemoving the Flat Tire and
Installing the Spare Tire on
page 5-72.If the spare tire will not lower, the
secondary latch could be engaged.
Do the following to check
the cable:
1. Check under the vehicle to see if
the cable is visible.
2. If it is not visible, seeSecondary
Latch System on page 5-76.
If it is visible, rst try to tighten
the cable by turning the lug
wrench clockwise until you hear
two clicks or feel it skip twice.
You cannot over-tighten
the cable.
Service and Appearance Care 5-71

3. Loosen the cable by turning
the wrench counterclockwise
three or four turns.
4. If the spare tire has not lowered,
tighten the cable all the way and
then loosen it at least two times.
If the spare tire did lower to
the ground, continue with Step 5
under “Removing the Spare
Tire (Vehicles with the Rear
Convenience Center)” listed
previously.
5. If you still cannot lower the spare
tire to the ground, seeSecondary
Latch System on page 5-76.Removing the Flat Tire
and Installing the
Spare Tire
1. Do a safety check before
proceeding. SeeChanging a
Flat Tire on page 5-69for more
information.
2. If the vehicle has a wheel cover,
loosen the plastic nut caps with
the wheel wrench. They will not
come off. Then, using the at end
of the wheel wrench, pry along
the edge of the cover until it
comes off. Be careful; the edges
may be sharp. Do not try to
remove the cover with your
bare hands.
Store the wheel cover securely
in the rear of the vehicle until
you have the at tire repaired
or replaced.
If the vehicle has aluminum
wheels, remove the wheel nut
caps using the wheel wrench.3. Loosen the wheel nuts — but do
not remove them — using the
lug wrench. For wheels with
a wheel lock key, use the wheel
lock key between the lock nut
and lug wrench. The key is
supplied in the front passenger
door pocket.
Notice:If this vehicle has wheel
locks and an impact wrench is
used to remove the wheel nuts,
the lock nut or wheel lock key
could be damaged. Do not use
an impact wrench to remove the
wheel nuts if this vehicle has
wheel locks.
5-72 Service and Appearance Care

4. To identify the appropriate
jacking location, nd the
triangle (A) about 12 inches
(30.5 cm) from the front tire or (B)
about 10.5 inches (27 cm)
from the rear tire.
The triangle is located near each
wheel on the vehicle’s exterior.
Notice:If a jack is used to raise
the vehicle without positioning
it correctly, the vehicle could
be damaged. When raising
the vehicle on a jack, avoid
contact with the rear axle
control arms.
5. Do not raise the vehicle yet. Put
the compact spare tire near you.
{CAUTION
Getting under a vehicle when it is
jacked up is dangerous. If the
vehicle slips off the jack, you
could be badly injured or killed.
Never get under a vehicle when it
is supported only by a jack.
{CAUTION
Raising your vehicle with the jack
improperly positioned can damage
the vehicle and even make the
vehicle fall. To help avoid personal
injury and vehicle damage, be sure
to t the jack lift head into the
proper location before raising
the vehicle.
6. Attach the lug wrench to the
jack, and turn the wrench
clockwise to raise the jack
head 3 inches (7.6 cm).7. Place the jack under the vehicle
as identied in Step 3. Raise the
vehicle by turning the lug wrench
clockwise in the jack. Raise the
vehicle far enough off the ground
so that there is enough room for
the spare tire to t under the
wheel well.
8. Remove all the wheel nuts and
the at tire.
Service and Appearance Care 5-73

12. Put the nuts on by hand by
turning the clockwise until
the wheel is held against the
mounting surface. Make
sure the rounded end is
toward the wheel.
13. Lower the vehicle by attaching
the lug wrench to the jack
and turning the wrench
counterclockwise. Lower
the jack completely.
{CAUTION
Incorrect or improperly tightened
wheel nuts can cause the wheel
to come loose and even come off.
This could lead to a crash. If you
have to replace them, be sure to
get new original equipment wheel
nuts. Stop somewhere as soon as
(Continued)
CAUTION (Continued)
you can and have the nuts
tightened with a torque wrench to
the proper torque specication.
SeeCapacities and Specifications
on page 5-96for wheel nut torque
specication.
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 specication.
SeeCapacities and Specifications
on page 5-96for the wheel nut
torque specication.14. Tighten the wheel nuts rmly
in a crisscross sequence, as
shown.
Notice:Wheel covers will not t
on your vehicle’s compact spare.
If you try to put a wheel cover on
the compact spare, the cover or
the spare could be damaged.
Service and Appearance Care 5-75

Secondary Latch System
This vehicle has an underbody
mounted tire hoist assembly that
has a secondary latch system. It is
designed to stop the compact spare
tire from suddenly falling off the
vehicle if the cable holding the spare
tire is damaged. For the secondary
latch to work, the tire must be stowed
with the valve stem pointing down.
SeeStoring a Flat or Spare Tire and
Tools on page 5-78for instructions
on storing the spare tire correctly.
{CAUTION
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:
{CAUTION
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
the under spare.
1. If the cable is not visible, start
this procedure at Step 3.2. Turn the lug wrench
counterclockwise until
approximately 6 inches
(15 cm) of cable is exposed.
3. Attach the lug wrench to the
jack and raise the jack at
least 10 turns.
4. Place the jack under the vehicle,
ahead of the rear bumper.
Position the center lift point of
the jack under the center of
the spare tire.
5. Turn the lug wrench clockwise
to raise the jack until it lifts the
secondary latch spring. All-Wheel-Drive Vehicle shown
5-76 Service and Appearance Care