HUMMER H3 2007 Owners Manual

Changing a Flat Tire
If a tire goes at, avoid further tire and wheel
damage by driving slowly to a level place. Turn
on your hazard warning ashers.
{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 an automatic transmission shift
lever in PARK (P), or shift a manual
transmission to FIRST (1) or
REVERSE (R).
CAUTION: (Continued)
CAUTION: (Continued)
3. If you have a four-wheel-drive vehicle,
be sure the transfer case is in a drive
gear – not in 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.
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When you have a at tire, you will rst need to set
up the wheel blocks before changing it. They
are located in the tool bag, in the swing-gate. See
Removing the Spare Tire and Tools on page 393
for more information.
To use the wheel
blocks, lift the wheel
block as shown and lock
into place.Then, use the following as a guide to assist you in
the placement of the wheel blocks.
The following information will tell you next how to
use the jack and change a tire.
392

Removing the Spare Tire and Tools
The equipment you will need is located in the
swing-gate, behind a cover. To remove the
equipment, do the following:
1. Open the swing-gate. SeeSwing-gate on
page 95for more information.
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.
4. Remove the tool bag and jack from its
compartment.
5. Undo the straps that secure the jack tool bag
to the jack.
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6. Open the tool bag and you will nd the
following tools, which you will use to remove
the spare tire and at tire:
A. Wheel Wrench
B. Jack Handle
ExtensionsC. Jack Handle
D. Jack
E. Wheel BlocksThe spare tire is attached to the outside of the
swing-gate. To remove the spare tire, do the
following:
1. If your vehicle has a spare tire cover
release the latch and open the cover.
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.
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2. 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.3. Use the wheel
wrench to remove
the wheel nuts
securing the
spare tire.
If your 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.
4. Pull off and gently lower the spare tire to the
ground. Set it next to the at tire.
In order to remove the spare tire, you may
need someone to assist you.
395

Removing the Flat Tire and
Installing the Spare Tire
1. 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.2. Turn the wheel
wrench
counterclockwise
to loosen the
wheel nuts.
Do not remove
them yet.
If your 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.
You will now need to jack up the vehicle using
the following instructions.
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A. Front Position - Lower Control Arm
B. Rear Position - Lower Axle
3. Locate the vehicle’s jacking
positions (A and B).
4. Assemble the jack and tools as follows:Front Tire Flat:If the at tire is on a front tire
of the vehicle, you will need to 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 arm along 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.
Jacking Locations (Overall View)
Front Position
397

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:You will need to 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.
Rear Positions
398

5. 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.
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6. Remove all the
wheel nuts and take
off the at tire.
{CAUTION:
Rust or dirt on the wheel, or on the parts
to which it is fastened, can make the
wheel nuts become loose after time.
The wheel could come off and cause
an accident. When you change a wheel,
remove any rust or dirt from the places
where the wheel attaches to the vehicle.
In an emergency, you can 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.
400