HUMMER H3 2009 Owners Manual

Notice:If you leave the radio or
other accessories on during
the jump starting procedure, they
could be damaged. The repairs
would not be covered by the
warranty. Always turn off the
radio and other accessories when
jump starting the vehicle.
3. Turn off the ignition on both
vehicles. Unplug unnecessary
accessories plugged into
the cigarette lighter or the
accessory power outlets. Turn off
the radio and all lamps that
are not needed. This will avoid
sparks and help save both
batteries. And it could save
the radio!4. Open the hoods and locate
the batteries on both vehicles.
You will use the positive (+)
battery terminal and the remote
negative (−) jump starting
terminal to jump start your
vehicle. To access the
positive (+) battery terminal,
open the terminal cover.
SeeEngine Compartment
Overview on page 5-10for
more information on the
terminal locations.
{CAUTION
Using a match near a battery can
cause battery gas to explode.
People have been hurt doing this,
and some have been blinded. Use
a ashlight if you need more light.
(Continued)
CAUTION (Continued)
Be sure the batteries have
enough water. You do not need
to add water to the ACDelco
®
battery (or batteries) installed in
your new vehicle. But if a battery
has ller caps, be sure the right
amount of uid is there. If it is
low, add water to take care of that
rst. If you do not, explosive gas
could be present.
Battery uid contains acid that
can burn you. Do not get it on
you. If you accidentally get it in
your eyes or on your skin, ush
the place with water and get
medical help immediately.
Service and Appearance Care 5-35

{CAUTION
Fans or other moving engine
parts can injure you badly. Keep
your hands away from moving
parts once the engine is running.
5. Check that the jumper cables
do not have loose or missing
insulation. If they do, you could
get a shock. The vehicles
could be damaged too.
Before you connect the cables,
here are some basic things
you should know. Positive (+) will
go to positive (+) or to a
remote positive (+) terminal if the
vehicle has one. Negative (−)
will go to a heavy, unpainted
metal engine part or to a remote
negative (−) terminal if the
vehicle has one.Do not connect positive (+) to
negative (−) or you will get
a short that would damage the
battery and maybe other
parts too. And do not connect
the negative (−) cable to
the negative (−) terminal on the
dead battery because this
can cause sparks.
6. Connect the red positive (+)
cable to the positive (+) terminal
of the dead battery. Use a
remote positive (+) terminal if the
vehicle has one.
7. Do not let the other end touch
metal. Connect it to the
positive (+) terminal of the
good battery. Use a remote
positive (+) terminal if the
vehicle has one.8. Now connect the black
negative (−) cable to the
negative (−) terminal of the
good battery. Use a remote
negative (−) terminal if the
vehicle has one.
Do not let the other end touch
anything until the next step.
The other end of the negative (−)
cable does not go to the dead
battery. It goes to a heavy,
unpainted metal engine part,
or to a remote negative (−)
terminal on the vehicle with
the dead battery.
9. Connect the other end of the
negative (−) cable at least
18 inches (45 cm) away from
the dead battery, but not
near engine parts that move.
The electrical connection is just
as good there, and the chance
of sparks getting back to the
battery is much less.
Your vehicle has a remote
negative (−) terminal, marked
GND (Ground), for this purpose.
5-36 Service and Appearance Care

10. Now start the vehicle with the
good battery and run the
engine for a while.
11. Try to start the vehicle that had
the dead battery. If it will not
start after a few tries, it probably
needs service.
Notice:If the jumper cables are
connected or removed in the
wrong order, electrical shorting
may occur and damage the
vehicle. The repairs would not
be covered by your warranty.
Always connect and remove the
jumper cables in the correct
order, making sure that the cables
do not touch each other or
other metal.A. Heavy, Unpainted Metal Engine
Part or Remote Negative (−)
Terminal
B. Good Battery or Remote
Positive (+) and Remote
Negative (−) Terminals
C. Dead Battery or Remote
Positive (+) TerminalTo disconnect the jumper cables
from both vehicles, do the following:
1. Disconnect the black negative (−)
cable from the vehicle that had
the dead battery.
2. Disconnect the black negative (−)
cable from the vehicle with the
good battery.
3. Disconnect the red positive (+)
cable from the vehicle with the
good battery.
4. Disconnect the red positive (+)
cable from the other vehicle.
5. Return the positive (+) battery
terminal cover to its original
position. Jumper Cable Removal
Service and Appearance Care 5-37

Rear Axle
When to Check and Change
Lubricant
It is not necessary to regularly
check rear axle uid unless a leak is
suspected or an unusual noise is
heard. A uid loss could indicate a
problem. Have it inspected and
repaired.
How to Check Lubricant
To get an accurate reading, the
vehicle should be on a level surface.A. Rear Axle
B. Filler Plug
The proper level for the rear axle uid
is 0 to 3/8 inch (0 mm to 10 mm)
below the bottom of the ller plug
hole, located on the rear axle.
What to Use
SeeRecommended Fluids and
Lubricants on page 6-12to
determine which kind of lubricant
to use.
Four-Wheel Drive
It is recommended that the
four-wheel drive transfer case uid
be checked and lled by the
dealer/retailer.
5-38 Service and Appearance Care

Front Axle
It is not necessary to regularly
check front axle uid unless a leak
is suspected or an unusual noise
is heard. A uid loss could indicate
a problem.
It is recommended that the front
axle uid be checked and lled by
your dealer/retailer.
Headlamp Aiming
The vehicle may have a visual
optical headlamp aiming system.
The aim has been preset at
the factory and should need no
further adjustment.
However, if the vehicle is damaged
in a crash, the headlamp aim
may be affected and adjustment
may be necessary.
If oncoming vehicles ash their
high beams at you, this may also
mean the vertical aim needs to
be adjusted.
It is recommended that the vehicle
is taken to your dealer/retailer
for service if the headlamps need to
be re-aimed. It is possible however,
to re-aim the headlamps as
described.The vehicle should be:Placed so the headlamps are
25 ft. (7.6 m) from a light
colored wall or other at surface.
On a level surface which is level
all the way to a wall.
Placed so it is at a right angle to
the wall or other at surface.
Clear of any snow, ice, or
mudonit.
Fully assembled, the tires
properly inated, and all other
work stopped while headlamp
aiming is being performed.
Normally loaded with the spare
tire in its original location and a
full tank of fuel and one person or
160 lbs (75 kg) sitting on the
driver seat.
Service and Appearance Care 5-39

To adjust the vertical aim:
1. Open the hood. SeeHood
Release on page 5-9.
2. Record the distance from the
ground to the aim dot on the
headlamp.3. At a wall, measure from the
ground upward the recorded
distance from Step 2 and mark it.
4. Draw or tape a horizontal line the
width of the vehicle at the wall
where it was marked it Step 4.
Notice:Do not cover a headlamp
to improve beam cut-off when
aiming. Covering a headlamp may
cause excessive heat build-up
which may cause damage to the
headlamp.
5. Turn on the headlamps and
place a piece of cardboard
or equivalent in front of the
headlamp not being aimed.This should allow only the beam
of light from the headlamp being
aimed to be seen on the wall.
6. Locate the vertical headlamp
aiming screws, which are
under the hood near each
headlamp assembly.
The adjustment screw can be
turned with an E8 Torx
®socket
or T15 Torx®screwdriver.
Passenger Side Shown
5-40 Service and Appearance Care

7. Turn the vertical aiming screw
until the headlamp beam is
aimed to the horizontal tape
line. Turn it clockwise or
counterclockwise to raise or
lower the beam.
The top edge of the cut-off
should be positioned at the
bottom edge of the horizontal
tape line.
8. Repeat Steps 7 and 8 for the
opposite headlamp.
Bulb Replacement
For the proper type of replacement
bulbs, seeReplacement Bulbs
on page 5-43.
For any bulb changing procedure
not listed in this section, contact
your dealer/retailer.
Halogen Bulbs
{CAUTION
Halogen bulbs have pressurized
gas inside and can burst if you
drop or scratch the bulb. You or
others could be injured. Be sure
to read and follow the instructions
on the bulb package.
Headlamps
To replace a headlamp bulb:
1. Open the hood. SeeHood
Release on page 5-9for
more information.
2. Turn the bulb socket
counterclockwise to remove it
from the headlamp assembly
and pull it straight out.
3. Unplug the electrical connector
by pushing the release tab and
pulling the bulb socket out.
4. Replace with a new bulb socket.
5. Reverse Steps 1 through 3 to
reinstall.
Service and Appearance Care 5-41

Taillamps, Turn Signal,
Stoplamps and Back-up
Lamps (H3)
A. Stoplamp, Taillamp and Turn
Signal Lamp
B. Back-up LampTo replace one of these bulbs in the
taillamp assembly:
1. Open the swing-gate.
SeeSwing-gate on page 2-9.
2. Remove the two screws from the
taillamp assembly.
3. Pull the taillamp assembly away
from the vehicle.
4. Turn the bulb socket
counterclockwise to remove it
from the taillamp assembly.5. Pull the old bulb to release it
from the socket.
6. Reverse Steps 1 through 4 to
reinstall.
Taillamps, Turn Signal,
Stoplamps and Back-up
Lamps (H3T)
A. Stoplamp and Taillamp
B. Turn Signal Lamp
C. Back-up Lamp
Passenger Side Shown
5-42 Service and Appearance Care

To replace one of these bulbs in the
taillamp assembly:
1. Open the tailgate. SeeTailgate
on page 2-7.
2. Remove the two screws from the
taillamp assembly.
3. Pull the taillamp assembly away
from the vehicle.
4. Turn the bulb socket
counterclockwise to remove it
from the taillamp assembly.
5. Pull the old bulb to release it
from the socket.6. Turn the bulb socket clockwise to
reinstall in the taillamp assembly.
7. Reinstall the taillamp assembly
making sure to line up the pins
with the vehicle.
8. Reinstall the two screws.
License Plate Lamp
To replace one of these bulbs:
1. Remove the two screws holding
the license plate lamp.
2. Pull the license plate lamp away
from the fascia.
3. Turn the bulb socket
counterclockwise and pull the
bulb straight out of the license
plate lamp assembly.4. Install the new bulb into the
socket.
5. Reverse Steps 1 through 4 to
reinstall.
Replacement Bulbs
Exterior LampBulb
Number
Back-up Lamp (H3T) W16W
Back-up (H3),
Stoplamp,
Taillamp and Turn
Signal Lamp3157K
License Plate Lamp 194
Low-Beam and
High-Beam
HeadlampH13
For replacement bulbs not listed
here, contact your dealer/retailer.
Service and Appearance Care 5-43

Windshield Wiper
Blade Replacement
Windshield wiper blades should be
inspected for wear and cracking.
SeeScheduled Maintenance
on page 6-4for more information.
Replacement blades come in
different types and are removed in
different ways. For proper type
and length, seeMaintenance
Replacement Parts on page 6-14.
To replace the windshield wiper
blade:
1. Lift the wiper arm away from the
windshield.2. Push the release lever (B) to
disengage the hook and push
the wiper arm (A) out of the
blade (C).
3. Push the new wiper blade
securely on the wiper arm
until you hear the release lever
click into place.
To replace the rear wiper blade,
lift the rear wiper arm from the
window and pull the blade.
Tires
Your new vehicle comes with
high-quality tires made by
a leading tire manufacturer.
If you ever have questions about
your tire warranty and where
to obtain service, see your
vehicle Warranty booklet
for details. For additional
information refer to the tire
manufacturer.
{CAUTION
Poorly maintained and
improperly used tires are
dangerous.
Overloading your
vehicle’s tires can
cause overheating as a
result of too much exing.
You could have an air-out
and a serious accident.
SeeLoading the Vehicle
on page 4-35.
(Continued)
5-44 Service and Appearance Care