2008 HUMMER H3 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 the shift lever in PARK (P).
3. If you have a four-wheel-drive vehicle,
be sure the transfer case is in a drive
gear – not in NEUTRAL.
CAUTION: (Continued)
CAUTION: (Continued)
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 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. SeeRemoving the
Spare Tire and Tools on page 5-81for more information.
5-79

To use the wheel blocks,
lift the wheel block 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.
5-80

Removing the Spare Tire and Tools
The equipment you will need is located in the
swing-gate, behind a cover. To remove the equipment:
1. Open the swing-gate. SeeSwing-gate on
page 2-10for 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.
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 Blocks
5-81

The spare tire is attached to the outside of the
swing-gate. To remove the spare tire:
1. If your 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.
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.
5-82

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.Removing the Flat Tire and
Installing the Spare Tire
1. Do a safety check before proceeding. SeeChanging
a Flat Tire on page 5-79for 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.
5-83

3. 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.
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)
5-84

5. 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.Refer to the graphic above to locate the placement
of the jack if the at tire is on the rear of the
vehicle. Front Position
Rear Positions
5-85

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.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.
5-86