2003 CHEVROLET TRAIL BLAZER engine

If NHTSA receives similar complaints, it may open an
investigation, and if it ®nds that a safety defect exists in
a group of vehicles, it may order a recall and remedy
campaign. However, NHTSA cannot become involved in
individual problems between you, your dealer or
General Motors.
To contact NHTSA, you may either call the Auto Safety
Hotline toll-free at 1-800-424-9393 (or 366-0123 in
the Washington, D.C. area) or write to:
NHTSA, U.S. Department of Transportation
Washington, D.C. 20590
You can also obtain other information about motor
vehicle safety from the hotline.
Reporting Safety Defects to the
Canadian Government
If you live in Canada, and you believe that your vehicle
has a safety defect, you should immediately notify
Transport Canada, in addition to notifying General
Motors of Canada Limited. You may write to:
Transport Canada
330 Sparks Street
Tower C
Ottawa, Ontario K1A 0N5
Reporting Safety Defects to General
Motors
In addition to notifying NHTSA (or Transport Canada) in
a situation like this, we certainly hope you'll notify us.
Please call us at 1-800-222-1020, or write:
Chevrolet Motor Division
Chevrolet Customer Assistance Center
P.O. Box 33170
Detroit, MI 48232-5170
In Canada, please call us at 1-800-263-3777 (English)
or 1-800-263-7854 (French). Or, write:
General Motors of Canada Limited
Customer Communication Centre, 163-005
1908 Colonel Sam Drive
Oshawa, Ontario L1H 8P7
Service Publications Ordering
Information
Service Manuals
Service Manuals have the diagnosis and repair
information on engines, transmission, axle, suspension,
brakes, electrical, steering, body, etc.
RETAIL SELL PRICE: $120.00
7-9

A
Accessory Power Outlets.................................3-20
Adding a Snow Plow or Similar Equipment.........4-50
Adding Washer Fluid.......................................5-37
Additional Program Information........................... 7-8
Additives, Fuel................................................. 5-6
Add-On Electrical Equipment............................5-88
Adjusting the Speakers
(Balance/Fade)............................3-67, 3-75, 3-84
After Off-Road Driving.....................................4-28
Air Bag Systems.............................................1-49
How Does an Air Bag Restrain?....................1-56
Servicing Your Air Bag-Equipped Vehicle.........1-59
What Makes an Air Bag In¯ate?....................1-56
What Will You See After an Air
Bag In¯ates?...........................................1-57
When Should an Air Bag In¯ate?...................1-55
Where Are the Air Bags?..............................1-52
Air Bag .........................................................3-38
Readiness Light..........................................3-38
Air Cleaner/Filter, Engine.................................5-20
AM .............................................................3-106
Antenna, Fixed Mast......................................3-108
Anti-Lock Brake, System Warning Light..............3-42
Anti-lock Brake System..................................... 4-7
Appearance Care............................................5-79
Care of Safety Belts....................................5-82
Chemical Paint Spotting...............................5-85
Cleaning the Inside of Your Vehicle................5-79Appearance Care (cont.)
Cleaning the Outside of Your Vehicle..............5-82
Finish Damage............................................5-85
Sheet Metal Damage...................................5-84
Underbody Maintenance...............................5-85
Vehicle Care/Appearance Materials................5-86
Weatherstrips..............................................5-82
Approaching a Hill..........................................4-20
Ashtrays........................................................3-20
Audio Speakers..............................................3-94
Audio System(s).............................................3-64
Audio Steering Wheel Controls....................3-106
Care of Your Cassette Tape Player...............3-107
Care of Your CD and DVD Player................3-108
Care of Your CDs and DVDs.......................3-108
Chime Level Adjustment.............................3-108
Fixed Mast Antenna...................................3-108
Audio Systems..............................................3-105
Radio Personalization.................................3-105
Audio System(s).............................................3-72
Radio with Cassette and CD.........................3-72
Radio with CD............................................3-65
Radio with Six-Disc CD................................3-82
Rear Seat Audio (RSA)...............................3-104
Setting the Time..........................................3-64
Theft-Deterrent Feature...............................3-105
Understanding Radio Reception...................3-106
Automatic Headlamp System............................3-16
Automatic Transfer Case..................................2-25
Automatic Transmission Check..........................6-12
1

Automatic Transmission Shift Lock Control
System Check.............................................6-14
Automatic Transmission...................................5-22
Fluid..........................................................5-22
Operation...................................................2-22
B
Backglass Wiper Blade Replacement.................5-53
Backing Up....................................................4-57
BATTERY NOT CHARGING.............................3-61
Battery Replacement......................................... 2-7
Battery Run-Down Protection............................3-19
Battery..........................................................5-41
Before Leaving on a Long Trip.........................4-35
Before You Drive............................................3-93
Before You Go Off-Roading..............................4-16
Body Lubrication Service..................................6-13
Brake Adjustment............................................5-40
Brake Fluid....................................................5-38
Brake Pedal Travel.........................................5-40
Brake Wear...................................................5-40
Brake............................................................2-28
Parking......................................................2-28
System Inspection.......................................6-17
System Warning Light..................................3-41
Brakes..........................................................5-38
Braking in Emergencies..................................... 4-8
Braking........................................................... 4-6Break-In, New Vehicle.....................................2-18
Bulb Replacement...........................................5-50
Replacement Bulbs......................................5-51
Taillamps and Turn Signal Lamps..................5-50
Buying New Tires...........................................5-58
C
California Fuel.................................................. 5-5
Canada ± Customer Assistance.......................... 7-4
Canadian Owners................................................ ii
Canadian Roadside Assistance........................... 7-6
Capacities and Speci®cations..........................5-100
Carbon Monoxide...................4-38, 4-50, 2-13, 2-32
Care of.........................................................5-82
Safety Belts................................................5-82
Your Cassette Tape Player..........................3-107
Your CD and DVD Player...........................3-108
Your CDs and DVDs..................................3-108
Cargo Cover..................................................2-49
Cargo Tie Downs............................................2-50
Cassette Tape Messages.................................3-79
Cassette Tape Player Service...........................6-11
Chains, Tires..................................................5-62
Charging System Light....................................3-39
Check...........................................................3-43
Engine Light...............................................3-43
Gages Warning Light...................................3-49
CHECK WASHER FLUID.................................3-62
2

Checking Brake Fluid......................................5-39
Checking Coolant............................................5-25
Checking Engine Oil........................................5-16
Checking Things Under the Hood......................5-10
Checking Your Restraint Systems......................1-59
Chemical Paint Spotting...................................5-85
Child Restraints..............................................1-34
Child Restraint Systems...............................1-34
Infants and Young Children...........................1-31
Lower Anchorages and Top Tethers for
Children (LATCH System)..........................1-40
Older Children.............................................1-28
Securing a Child Restraint Designed for the
LATCH System........................................1-42
Securing a Child Restraint in a Rear Outside
Seat Position...........................................1-43
Securing a Child Restraint in the Center
Seat Position...........................................1-46
Securing a Child Restraint in the Right
Front Seat Position...................................1-46
Top Strap...................................................1-38
Top Strap Anchor Location............................1-39
Where to Put the Restraint...........................1-37
Chime Level Adjustment.................................3-108
Cigarette Lighter.............................................3-20
Cleaning Aluminum Wheels..............................5-84
Cleaning Exterior Lamps/Lenses.......................5-83
Cleaning Fabric/Carpet....................................5-79
Cleaning Glass Surfaces..................................5-81
Cleaning Interior Plastic Components.................5-81Cleaning Leather............................................5-81
Cleaning the Top of the Instrument Panel...........5-81
Cleaning the Windshield, Backglass and
Wiper Blades..............................................5-84
Cleaning Tires................................................5-84
Cleaning Vinyl................................................5-81
Cleaning........................................................5-79
Inside of Your Vehicle..................................5-79
Outside of Your Vehicle................................5-82
Underbody Maintenance...............................5-85
Video Screen............................................3-108
Weatherstrips..............................................5-82
Climate Control System...................................3-34
Climate Controls Personalization....................3-34
Dual Automatic............................................3-24
Dual..........................................................3-21
Rear..........................................................3-30
Steering Wheel Controls...............................3-34
Compact Disc Messages.................3-71, 3-81, 3-92
Compass Calibration.......................................2-35
Compass Operation.........................................2-34
Compass Variance..........................................2-35
Content Theft-Deferrent....................................2-16
Control of a Vehicle.......................................... 4-5
Convenience Net............................................2-49
Coolant.........................................................3-42
Engine Temperature Gage............................3-42
Heater, Engine............................................2-21
Cooling System..............................................5-29
Cruise Control Light........................................3-48
3

Driving (cont.)
In Rain and on Wet Roads...........................4-30
Winter........................................................4-38
Dual Automatic Climate Control System.............3-24
Dual Climate Control System............................3-21
DVD Player....................................................3-96
DVD ............................................................3-108
Cleaning the Video Screen..........................3-108
Distortion..................................................3-106
Rear Seat Entertainment System...................3-93
E
Electrical System............................................5-88
Add-On Equipment......................................5-88
Fuses and Circuit Breakers...........................5-89
Headlamps.................................................5-88
Power Windows and Other Power Options......5-88
Windshield Wiper Fuses...............................5-88
Emergency Release for Opening Liftgate............2-13
Emissions Inspection and Maintenance
Programs...................................................3-45
Engine..........................................................5-20
Air Cleaner/Filter.........................................5-20
Battery.......................................................5-41
Change Engine Oil Light...............................3-47
Check and Service Engine Soon Light............3-43Engine (cont.)
Compartment Overview................................5-12
Coolant Heater............................................2-21
Coolant Temperature Gage...........................3-42
Coolant......................................................5-24
Cooling System Inspection............................6-16
Exhaust.....................................................2-32
Fan Noise..................................................5-35
Oil .............................................................5-16
Overheating................................................5-27
Reduced Power Light...................................3-48
Starting......................................................2-20
Engine Compartment Fuse Block......................5-89
ENGINE COOLANT HOT/IDLE ENGINE.............3-61
Engine Coolant Level Check.............................6-11
Engine Oil Additives........................................5-19
Engine Oil Level Check...................................6-11
Engine Oil Scheduled Maintenance..................... 6-5
Entertainment System....................................3-108
Cleaning the Video Screen..........................3-108
DVD Distortion..........................................3-106
Entry Lighting.................................................3-19
Environmental Concerns..................................4-17
Erasing HomeLink
žButtons..............................2-42
Exit Lighting...................................................3-19
Express±Down Window....................................2-15
Extender, Safety Belt.......................................1-27
Exterior Lamps...............................................3-15
5

F
Filter.............................................................5-20
Engine Air Cleaner......................................5-20
Finding a PTY Station.....................3-68, 3-76, 3-85
Finding a Station............................3-66, 3-73, 3-83
Finish Care....................................................5-83
Finish Damage...............................................5-85
Fixed Mast Antenna.......................................3-108
Flash-to-Pass................................................... 3-9
Flat Tire, Changing.........................................5-64
Flat Tire........................................................5-63
Fluid.............................................................5-22
Automatic Transmission................................5-22
Power Steering...........................................5-36
Windshield Washer......................................5-37
FM ..............................................................3-106
Fog Lamps....................................................3-17
Following Distance..........................................4-57
Footnotes........................................................ 6-5
Four-Wheel Drive....................................2-24, 5-48
Front Axle......................................................5-49
Front Storage Area.........................................2-44
Fuel Information..............................................3-53
FUEL LEVEL LOW.........................................3-62
Fuel............................................................... 5-4
Additives...................................................... 5-6
California Fuel.............................................. 5-5
Filling a Portable Fuel Container..................... 5-9
Filling Your Tank........................................... 5-7
Fuels in Foreign Countries.............................. 5-6Fuel (cont.)
Gage.........................................................3-50
Gasoline Octane........................................... 5-4
Gasoline Speci®cations.................................. 5-5
Low Warning Light.......................................3-51
System Inspection.......................................6-16
Fuses...........................................................5-89
Fuses and Circuit Breakers...........................5-89
Windshield Wiper.........................................5-88
G
Gage............................................................3-49
Check Gages Warning Light..........................3-49
Engine Coolant Temperature.........................3-42
Fuel..........................................................3-50
Oil Pressure...............................................3-46
Speedometer..............................................3-37
Tachometer.................................................3-38
Voltmeter Gage...........................................3-40
Garage Door Opener.......................................2-39
Gasoline......................................................... 5-4
Octane........................................................ 5-4
Speci®cations............................................... 5-5
Gate Ajar Light...............................................3-50
Gate Operator and Canadian Programming........2-42
Getting Familiar with Off-Road Driving................4-17
Glove Box.....................................................2-43
GM Mobility Program for Persons with
Disabilities.................................................... 7-5
6

H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-5
Headlamp High/Low-Beam Changer.................... 3-9
Headlamp Washer..........................................3-11
Headlamps....................................................5-50
Bulb Replacement.......................................5-50
Electrical System.........................................5-88
Headphones...................................................3-93
Heated Seats................................................... 1-3
Highway Hypnosis...........................................4-36
Hill and Mountain Roads..................................4-36
Hitches..........................................................4-55
HomeLink Transmitter, Programming..................2-40
HomeLink
žTransmitter....................................2-39
Hood............................................................5-10
Checking Things Under................................5-10
Release.....................................................5-10
Horn............................................................... 3-7
How to Add Coolant to the Coolant
Recovery Tank............................................5-31
How to Add Coolant to the Radiator..................5-33
How to Add Fluid............................................5-24
How to Check Lubricant...................................5-47
How to Check Power Steering Fluid..................5-36
How to Check........................................5-22, 5-55
How to Inspect the Engine Air Cleaner/Filter.......5-21How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-14
Hydroplaning..................................................4-32
I
ICE POSSIBLE..............................................3-63
If No Steam Is Coming From Your Engine..........5-28
If Steam Is Coming From Your Engine...............5-27
If the Light Is Flashing.....................................3-44
If the Light Is On Steady.................................3-44
If You Are Stuck in Sand, Mud, Ice or Snow.......4-42
If You Do Decide To Pull A Trailer.....................4-51
If You're Caught in a Blizzard...........................4-40
Ignition Positions.............................................2-19
Ignition Transmission Lock Check......................6-14
Infants and Young Children, Restraints...............1-31
In¯ation -- Tire Pressure..................................5-54
Inspection......................................................6-17
Brake System.............................................6-17
Engine Cooling System................................6-16
Exhaust System..........................................6-16
Fuel System...............................................6-16
Part C - Periodic Maintenance.......................6-16
Steering, Suspension and Front Drive Axle
Boot and Seal.........................................6-16
Transfer Case and Front Axle
(Four-Wheel Drive)...................................6-17
7

Instrument Panel Brightness.............................3-18
Instrument Panel.............................................3-36
Cluster.......................................................3-36
Overview..................................................... 3-4
Interior Lamps................................................3-18
J
Jump Starting.................................................5-42
K
Key Lock Cylinders Service..............................6-13
Keyless Entry System....................................... 2-5
Keys............................................................... 2-3
L
Lamps On Reminder.......................................3-16
Lamps...........................................................3-15
Exterior......................................................3-15
Interior.......................................................3-18
Lap-Shoulder Belt...................................1-14, 1-22
LATCH System...............................................1-40
Child Restraints...........................................1-40
Securing a Child Restraint Designed for the
LATCH System........................................1-42LATCH System (cont.)
Leaving Your Vehicle With the Engine
Running.....................................................2-30
Leaving Your Vehicle.......................................2-12
LEFT REAR DOOR AJAR................................3-63
Liftgate Rack System......................................2-47
Table.........................................................2-47
Liftgate Release..............................................2-13
Liftgate/Liftglass..............................................2-13
Liftglass/Liftgate..............................................2-13
Lighted Visor Vanity Mirror...............................2-16
Light.............................................................3-38
Air Bag Readiness.......................................3-38
Anti-Lock Brake System Warning...................3-42
Brake System Warning.................................3-41
Change Engine Oil......................................3-47
Charging System.........................................3-39
Check Gages Warning.................................3-49
Cruise Control.............................................3-48
Gate Ajar...................................................3-50
Low Fuel Warning.......................................3-51
Malfunction Indicator....................................3-43
Reduced Engine Power................................3-48
Safety Belt Reminder...................................3-38
Security.....................................................3-47
Service Four-Wheel-Drive Warning Light.........3-49
Loading Your Vehicle for Off-Road Driving..........4-16
Loading Your Vehicle.......................................4-48
Locking Rear Axle...........................................4-10
Lockout Protection..........................................2-12
8