2005 HUMMER H2 Owners Manual

5. Turn the ratchet clockwise to raise the jack head to
the lifting point.
Front Flat Tire:Position
the jack under the vehicle
on the frame behind
the at tire where the
frame sections overlap.
See the graphic following
for an approximate
measurement of the jack
location on the frame.
Front Flat Tire
X = 28.5 inches (72.0 cm)
5-81

Rear Flat Tire:Place the
jack under the curved rear
axle pad. Make sure
the jack head is positioned
so that the rear axle
pad is resting securely on
the jack head.
{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. Turn the ratchet 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 Flat Tire
5-82

7. 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 a 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 you need to, to
get all the rust or dirt off.8. Remove any rust or dirt
from the wheel bolts,
mounting surfaces
and spare wheel.
{CAUTION:
Never use oil or grease on studs or nuts. If
you do, the nuts might come loose. Your wheel
could fall off, causing a serious accident.
5-83

9. After mounting the
spare, put the wheel
nuts back on with
the rounded end of
the nuts toward
the wheel.
10. Tighten each wheel nut by hand. Then use the
ratchet/wheel wrench to tighten the nuts, with
the UP mark facing you, clockwise until the wheel is
held against the hub.
You will not be tightening the nuts fully yet.
5-84

11. Lower the vehicle by turning the ratchet
counterclockwise, with the DOWN mark facing you.
Then lower the jack completely.
{CAUTION:
Incorrect wheel nuts or improperly tightened
wheel nuts can cause the wheel to come loose
and even come off. This could lead to an
accident. Be sure to use the correct wheel
nuts. If you have to replace them, be sure to
get new GM original equipment wheel nuts.
Stop somewhere as soon as you can and have
the nuts tightened with a torque wrench to the
proper torque specication. SeeCapacities
and Specifications on page 5-112for 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 5-112for the wheel nut
torque specication. Front Position
Rear Position
5-85

12. Tighten the nuts rmly
in a crisscross
sequence as shown by
turning the ratchet
clockwise, with the UP
mark facing you.
13. When you install the wheel and tire, you must
also reinstall the center cap. Place the cap on
the wheel and tap it into place until it sits ush
with the wheel.
Storing a Flat or Spare Tire
and Tools
Inside-Mounted Tire
Use the art and text following to help you store the
spare or at tire back into its proper spot when you
are done.
Store the at or spare tire back inside the vehicle on the
spare tire mount.A. Spare or Flat Tire
B. Receiver Extension
(If Equipped)C. Tire Retainer Plate
D. Nut
E. Wheel Blocks
5-86

To store the at or spare tire on the spare tire mount,
do the following:
1. Slide the at or spare tire onto the tire carrier.
2. Slide the tire retainer plate into the wheel opening.
Be sure that the stud attached to the tire carrier
passes through the hole in the tire retainer plate.
3. Tighten the nut by hand until the tire retainer plate
is snug against the tire.
4. Use the wheel wrench
and spanner to tighten
the nut rmly. Try to
move the tire back and
forth slightly to be
sure it is secure.
5. Reattach the wheel blocks to the tire retainer plate
and tighten the wing nut.
6. Reinstall the tire cover onto the spare or at tire.Spare-Tire-Carrier-Mounted Tire
To store the at or spare tire on the tire carrier, do
the following:
1. Close the tire carrier. SeeTailgate (SUT) on
page 2-16for tire carrier operation.
2. Place the at or spare tire onto the tire carrier with
the outside of the wheel facing you.
3. Reinstall the three nuts holding spare or at tire to
the tire carrier. Tighten the nuts by hand.
4. Use the ratchet and wheel wrench to tighten the
nuts rmly. Try to move the tire back and forth
slightly to be sure it is secure.
5-87

5. Slide the license plate holder onto the spare or at
tire. Secure it from the back of the tire carrier with
the wing nut.
If you choose not to reinstall the spare or at tire on
the vehicle, you will still need to reinstall the
license plate holder on the spare tire carrier.
Storing the Tools
SUV
Follow these instructions to store the jack and tools:
1. Lower the jack completely.
2. Place the jack in the mounting bracket.
3. Tighten the wingnut (A)
until the jack is
securely fastened.
4. Place the tools in the bag.
5. Slide the securing clip over the bag and secure the
bag to the oor by tightening the wingnut (B) to the
stud coming out of the oor.
In order to reduce the potential of the jack
squeaking or rattling, you will need to preload the
jack so it ts tightly in the mounting bracket.
To do this, turn the u-hook/clevis at the top of the
jack clockwise until the jack is held tight in the
mounting bracket.
5-88