ECU HUMMER H2 2006 Repair Manual

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.
7. 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.
8. Remove all the wheel
nuts and take off the
at tire. Rear Flat Tire – Jack B
5-93

Or, use the wheel wrench and the wheel wrench
extension (jack B) to tighten the nuts rmly.
Try to move the tire back and forth slightly to be
sure it is secure.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. Jack B Tools
5-97

Storing the Jack A and Tools (SUT)
Follow these instructions to store jack A and tools:
1. Lower the jack completely.
2. Place the jack (B) in the mounting bracket in the
rear cargo compartment.3. Tighten the wing nut (C) until the jack is securely
fastened.
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.
4. Place the wheel blocks (E) onto the mounting stud
and tighten the wing nut (D) to secure them.
5. Place the tools in the tool bag (A), roll the bag
together tightly and neatly and then close it with
the hook and loop fasteners.
If you do not roll the tool bag tightly and neatly, you
will have trouble getting it back into the storage
retention clips in the next step.
5-98

8. Replace the jack cover. Be sure the tabs on the
back of the jack cover t into the slots on the
cargo box before closing the jack cover.
9. Lock the cover.
10. Close the spare tire carrier to ensure it securely
latches. SeeTailgate/Spare Tire Carrier on
page 2-14for tire carrier operation.
Storing the Jack B and Tools (SUT)
Follow these instructions to store jack B and tools:
1. Lower the jack completely.
2. Place the jack in the mounting bracket.
3. Turn the u-hook/clevis at the top of the jack
clockwise until the jack is held tight in the
mounting bracket.
4. Push and pull on the jack and retighten if necessary
to make sure the jack is secure.
5. Place the wheel blocks in the tool bag.
6. Place the remaining tools in the tool bag.
5-100

4. Use the ratchet and wheel wrench for jack A to
tighten the nuts rmly.Use the wheel wrench and wheel wrench extension
for jack B to tighten the nuts rmly.
Try to move the tire back and forth slightly to be
sure it is secure. Jack A Tools
Jack B Tools
5-102

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 Jack (A or B) and
Tools (SUV)
Follow these instructions to store the jack A and tools:
1. Lower the jack completely.
2. For jack A, place the wheel blocks together and
install behind the jack.
3. Place the jack in the mounting bracket.
4. Tighten the wing nut for jack A until the jack and
wheel blocks are securely fastened. For jack B, turn
the u-hook/clevis at the top of the jack clockwise until
the jack is held tight in the mounting bracket.
Jack AJack B
5-103

5. Push and pull on the jack and retighten if necessary
to make sure the jack is secure.
6. Place the tools in the tool bag.
7. Make sure nothing is located under or in front of the
seat and then lift the rear driver’s seat so that the
oor is exposed. See60/40 Split Bench Seat
on page 1-6for more information.
8. For the jack A tool bag, place the narrow end of the
tool bag under the seat rails as shown and slide the
tool bag under the rear seat.For jack B tool bag, place the narrow end of the tool
bag under the seat rails as shown and slide the
tool bag under the rear seat.
Be careful not to pinch the seat cables or electrical
harnesses.
9. Reinstall the strap to the seat rail for the jack B
tool bag.
Jack A Tool Bag
Jack B Tool Bag
5-104

Engine Oil Level Check
Check the engine oil level and add the proper oil
if necessary. SeeEngine Oil on page 5-14for
further details.
Notice:It is important to check your oil regularly
and keep it at the proper level. Failure to keep your
engine oil at the proper level can cause damage
to your engine not covered by your warranty.
Engine Coolant Level Check
Check the engine coolant level and add
DEX-COOL®coolant mixture if necessary. SeeEngine
Coolant on page 5-24for further details.
Windshield Washer Fluid Level Check
Check the windshield washer uid level in the windshield
washer uid reservoir and add the proper uid if
necessary.
At Least Once a Month
Tire Ination Check
Visually inspect your vehicle’s tires and make sure they
are inated to the correct pressures. Do not forget to
check the spare tire. SeeTires on page 5-53for further
details. Check to make sure the spare tire is stored
securely. SeeChanging a Flat Tire on page 5-70.
Tire Wear Inspection
Tire rotation may be required for high mileage highway
drivers prior to the Engine Oil Life System service
notication. Check the tires for wear and, if necessary,
rotate the tires. SeeTire Inspection and Rotation on
page 5-61.
6-9

For prompt and efficient assistance when calling,
please provide the following to the Roadside
Assistance Representative:
Your name, home address, and home
telephone number.
Telephone number of your location.
Location of the vehicle.
Model, year, color, and license plate number of
the vehicle.
Mileage, Vehicle Identication Number (VIN) and
delivery date of the vehicle.
Description of the problem.
While we hope you never have the occasion to use our
service, it is added security while traveling for you and
your family. Remember, we are only a phone call away.
HUMMER Roadside Assistance:1-866-HUMMER6
(486-6376), text telephone (TTY) users, call
1-888-889-2438.
HUMMER reserves the right to limit services or
reimbursement to an owner or driver when, in
HUMMER’s judgement, the claims become excessive in
frequency or type of occurrence.
Roadside Assistance is not part of or included in the
coverage provided by the New Vehicle Limited Warranty.
HUMMER reserves the right to make any changes or
discontinue the Roadside Assistance program at
any time without notication.
Canadian Roadside Assistance
Vehicles purchased in Canada have an extensive
roadside assistance program accessible from anywhere
in Canada or the United States. Please refer to the
Warranty and Owner Assistance Information book.
Courtesy Transportation
To enhance your ownership experience, we and our
participating dealers are proud to offer Courtesy
Transportation, a customer support program for
new vehicles.
The Courtesy Transportation program is offered to
customers in conjunction with the Bumper-to-Bumper
coverage provided by the New Vehicle Limited Warranty.
Several transportation options are available when
warranty repairs are required. This will reduce your
inconvenience during warranty repairs.
7-7

Charging System Light....................................3-34
Check
Engine Light...............................................3-39
Checking Things Under the Hood......................5-10
Chemical Paint Spotting.................................5-112
Child Restraints
Child Restraint Systems...............................1-38
Infants and Young Children...........................1-35
Lower Anchors and Tethers for Children..........1-43
Older Children.............................................1-32
Securing a Child Restraint in a Rear Seat
Position..................................................1-52
Securing a Child Restraint in the Right
Front Seat Position...................................1-54
Where to Put the Restraint...........................1-42
Chime Level Adjustment.................................3-114
Cigarette Lighter.............................................3-22
Cleaning
Aluminum Wheels......................................5-111
Exterior Lamps/Lenses................................5-109
Fabric/Carpet............................................5-107
Finish Care...............................................5-110
Inside of Your Vehicle.................................5-105
Instrument Panel, Vinyl, and Other Plastic
Surfaces...............................................5-108
Leather....................................................5-107
Speaker Covers.........................................5-108
Tires........................................................5-111
Underbody Maintenance.............................5-112
Washing Your Vehicle.................................5-109Cleaning (cont.)
Weatherstrips............................................5-108
Windshield, Backglass, and Wiper Blades......5-110
Wood Panels............................................5-108
Climate Control System
Dual Automatic............................................3-22
Outlet Adjustment........................................3-28
Collision Damage Repair..................................7-11
Comfort Guides, Rear Safety Belt.....................1-29
Content Theft-Deterrent....................................2-21
Control of a Vehicle.......................................... 4-5
Coolant
Engine Temperature Gage............................3-37
Heater, Engine............................................2-26
Surge Tank Pressure Cap.............................5-26
Cooling System..............................................5-29
Cruise Control................................................3-11
Cruise Control Light........................................3-43
Customer Assistance Information
Courtesy Transportation.................................. 7-7
Customer Assistance for Text Telephone (TTY)
Users....................................................... 7-4
Customer Assistance Offices........................... 7-4
Customer Satisfaction Procedure..................... 7-2
GM Mobility Reimbursement Program............... 7-5
Reporting Safety Defects to General Motors....7-15
Reporting Safety Defects to the Canadian
Government............................................7-15
Reporting Safety Defects to the United
States Government...................................7-14
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