lock HUMMER H3 2009 Owners Manual

Page 293 of 382

8. Proceed to the driver side rear
tire, and repeat the procedure
in Step 5.
9. After hearing the conrming horn
chirp for the driver side rear tire,
check to see if the TPMS low tire
warning light and the DIC LOW
TIRE messages have turned off.
If yes, the TPMS sensors have
been relearned. Turn the ignition
switch to LOCK/OFF.
If the low tire warning light and
the SERV TPM message on the
DIC are on after completing
Step 5 for the driver side rear tire,
the sensor relearn process has
not been successful. Turn the
ignition switch to LOCK/OFF and
repeat the matching process
beginning with Step 2.
10. Set all four tires to the
recommended air pressure level
as indicated on the Tire and
Loading Information label.
11. Put the valve caps back on the
valve stems.Tire Inspection and
Rotation
We recommend that you
regularly inspect the vehicle’s
tires, including the spare tire,
for signs of wear or damage.
SeeWhen It Is Time for
New Tires on page 5-58for
more information.
Tires should be rotated
every 5,000 to 8,000 miles
(8 000 to 13 000 km).
SeeScheduled Maintenance
on page 6-4.
The purpose of a regular tire
rotation is to achieve a uniform
wear for all tires on the vehicle.
This will ensure that the
vehicle continues to perform
most like it did when the
tires were new.Any time you notice unusual
wear, rotate the tires as soon
as possible and check wheel
alignment. Also check for
damaged tires or wheels.
SeeWhen It Is Time for
New Tires on page 5-58and
Wheel Replacement on
page 5-64.
Make sure the spare tire is
stored securely. Push, pull and
then try to rotate or turn the
tire. If it moves, use the wheel
wrench/hoist shaft to tighten
the cable. SeeChanging a
Flat Tire on page 5-66.
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Vehicles equipped with a tire
pressure monitoring system may
give an inaccurate low-pressure
warning if non-TPC spec rated
tires are installed on your
vehicle. Non-TPC Spec rated
tires may give a low-pressure
warning that is higher or lower
than the proper warning level
you would get with TPC
Spec rated tires. SeeTire
Pressure Monitor System on
page 5-52.
Your vehicle’s original equipment
tires are listed on the Tire and
Loading Information Label.
SeeLoading the Vehicle
on page 4-35, for more
information about the Tire and
Loading Information Label
and its location on your vehicle.Different Size Tires and
Wheels
If you add wheels or tires that are a
different size than your original
equipment wheels and tires,
this could affect the way your vehicle
performs, including its braking,
ride and handling characteristics,
stability, and resistance to rollover.
Additionally, if your vehicle has
electronic systems such as anti-lock
brakes, rollover airbags, traction
control, and electronic stability
control, the performance of these
systems can be affected.
{CAUTION
If you add different sized
wheels, your vehicle may not
provide an acceptable level of
performance and safety if tires not
recommended for those wheels
are selected. You may increase
the chance that you will crash and
suffer serious injury. Only use GM
specic wheel and tire systems
developed for your vehicle, and
have them properly installed by a
GM certied technician.
SeeBuying New Tires on page 5-59
andAccessories and Modifications
on page 5-3for additional
information.
Service and Appearance Care 5-61

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CAUTION (Continued)
3. If you have a
four-wheel-drive vehicle,
be sure the transfer case
is in a drive gear – not in
N (Neutral).
4. Turn off the engine and do
not restart while the vehicle
is raised.
5. Do not allow passengers to
remain in the vehicle.
To be even more certain the
vehicle will not move, 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,
the wheel blocks need to be set up
before changing it. The wheel
blocks are located in the tool bag in
the swing-gate for H3 models or
below the rear seat for H3T models.
SeeRemoving the Spare Tire
and Tools (H3) on page 5-68or
Removing the Spare Tire and
Tools (H3T) on page 5-69for
more information.
To use the wheel blocks, lift the
wheel block and lock it into place.Use the following example as a
guide to assist in the placement of
the wheel blocks (A) when the
vehicle has a at tire (B).
A. Wheel Block
B. Flat Tire
The following information explains
how to use the jack and change
a tire.
Service and Appearance Care 5-67

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Removing the Spare Tire
and Tools (H3)
The equipment needed is located in
the swing-gate, behind a cover.
To remove the equipment:
1. Open the swing-gate.
SeeSwing-gate on page 2-9.
2. Remove the cover, located on
the inside of the swing-gate,
by lifting the two latches.
3. Turn the wing nut
counterclockwise to release
the jack tool bag and jack
and remove them.4. Undo the straps that secure the
jack tool bag to the jack.
5. Open the tool bag to nd the
following tools, which are
used to remove the spare tire
and at tire:
A. Wheel Wrench
B. Jack Handle Extensions
C. Jack Handle
D. Jack
E. Wheel BlocksThe spare tire is attached to the
outside of the swing-gate.
To remove the spare tire:
1. If the vehicle has a spare tire
cover release the latch by
pulling the latch straight back
and turning it away from
the cover at the same time.
Notice:Opening the endgate
before completely closing and
latching the spare tire cover may
result in damage to your vehicle.
Close and latch the spare tire
cover before opening the endgate
to avoid possible damage.
5-68 Service and Appearance Care

Page 305 of 382

Remove the center cap, if
equipped, by placing the at
end of the wheel wrench in the
slot on the wheel and gently
pry the center cap out.2. Use the wheel wrench to remove
the wheel nuts securing the
spare tire.
If the vehicle has locking lug
nuts, the key is supplied in the
tool bag. Use the key along
with the wheel wrench to remove
the wheel nuts from the tire.
3. You may need assistance to
remove the spare tire. Pull
off and gently lower the spare
tire to the ground. Set it next to
the at tire.
Removing the Spare Tire
and Tools (H3T)
To access the jack and tools
located under the rear seat:
1. Turn the wing nut (A)
counterclockwise to release
the jack and tools.
2. Remove the jack and tool kit
from the bracket.
3. Release the straps (B) that
secure the tool bag to the jack.
Service and Appearance Care 5-69

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The following tools are used to
remove the spare tire and at tire.
A. Wheel Wrench
B. Jack Handle Extensions
C. Jack Handle
D. Jack
E. Wheel BlocksTo access the spare tire:
A. Spare Tire/Flat Tire
(Valve Stem Pointed Down)
B. Tire/Wheel Retainer
C. Hoist Cable
D. Hoist Assembly
E. Hoist Shaft
F. Jack Handle Extension(s)
G. Wheel Wrench
H. Hoist Shaft Access Ramp
I. Hoist End of the Extension Tool1. Assemble the two jack handle
extensions (F) and wheel
wrench (G).
2. Insert the hoist end of the
extension tool (I) through
the hoist shaft access ramp (H).
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3. The hoist end of the extension
tool (I) must connect to the
hoist shaft (E). The hoist end of
the extension tool is used to
lower the spare tire.
Do not use the chiseled end of
the wheel wrench.
4. Turn the wheel wrench (G)
counterclockwise to lower
the spare tire (A) to the ground.
Continue to turn the wheel
wrench (G) until the spare tire (A)
can be pulled from under the
vehicle.
If the spare tire does not lower
to the ground, the secondary
latch is engaged. SeeSecondary
Latch System (H3T) on
page 5-76.5. Pull the spare tire towards you.
6. Tilt the tire, with slack in the
cable, to access the tire/wheel
retainer (B).7. Separate the retainer from the
guide pin by sliding the retainer
up the pin while pressing down
on the latch. When the retainer is
separated from the guide pin,
tilt the retainer and pull it through
the center of the wheel along
with the cable and guide pin.
8. Put the spare tire near the
at tire.
Service and Appearance Care 5-71

Page 308 of 382

Removing the Flat Tire
and Installing the
Spare Tire
1. Do a safety check before
proceeding. SeeChanging a
Flat Tire on page 5-66for
more information.
2. Remove the center cap by
placing the at end of the wheel
wrench in the slot on the wheel
and gently pry the center cap out.3. Turn the wheel wrench
counterclockwise to loosen the
wheel nuts. Do not remove
them yet.
If the vehicle has locking lug
nuts, the key is supplied in the
tool bag. Use the key along
with the wheel wrench to remove
the wheel nuts from the tire.
Now jack up the vehicle.A. Front Position - Lower
Control Arm
B. Rear Position - Lower Axle
4. Locate the vehicle’s jacking
positions (A and B).
Jacking Locations (Overall View)
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5. Assemble the jack and tools as
follows:
Front Tire Flat:If the at tire is
on a front tire of the vehicle,
use the jack handle and both jack
handle extensions. Attach the
wheel wrench to the jack handle
extensions. Attach the jack
handle to the jack. From the front
of the vehicle position the jack
on the front lower control armalong the bar that runs front to
back. Turn the wheel wrench
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.
Refer to the graphic above to
locate the placement of the jack
if the at tire is on the rear of
the vehicle.Rear Tire Flat:Use the jack
handle and both jack handle
extensions. Attach the wheel
wrench to the jack extensions.
Attach the jack handle to
the jack. From the rear of the
vehicle align the jack under the
rear axle. Turn the wheel
wrench 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. Front Position
Rear Positions
Service and Appearance Care 5-73

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6. Turn the wheel wrench clockwise
to raise the jack head to the
lifting point.
{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.7. Remove all the wheel nuts and
take off the at tire.
{CAUTION
Rust or dirt on a wheel, or on the
parts to which it is fastened, can
make wheel nuts become loose
after time. The wheel could come
off and cause an accident. When
changing a wheel, remove any
rust or dirt from places where the
wheel attaches to the vehicle.
In an emergency, use a cloth or a
paper towel to do this; but be sure
to use a scraper or wire brush
later, if needed, to get all the rust
or dirt off. SeeChanging a Flat
Tire on page 5-66.8. Remove any rust or dirt from the
wheel bolts, mounting surfaces
and spare wheel.{CAUTION
Never use oil or grease on bolts
or nuts because the nuts might
come loose. The vehicle’s wheel
could fall off, causing a crash.
9. Put the spare tire on the
mounting surface.
10. Put the wheel nuts back on
with the rounded end of the
nuts toward the wheel
after mounting the spare.
5-74 Service and Appearance Care

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