2003 GMC ENVOY transmission

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-GMC-8782 (1-800-462-8782),
or write:
Pontiac-GMC Customer Assistance Center
P.O. Box 33172
Detroit, MI 48232-5172
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
Transmission, Transaxle, Transfer
Case Unit Repair Manual
This manual provides information on unit repair service
procedures, adjustments, and speci®cations for GM
transmissions, transaxles, and transfer cases.
RETAIL SELL PRICE: $50.00
7-10

Automatic Transfer Case..................................2-25
Automatic Transmission Check..........................6-12
Automatic Transmission Shift Lock Control
System Check.............................................6-14
Automatic Transmission...................................5-21
Fluid..........................................................5-21
Operation...................................................2-23
B
Backglass Wiper Blade Replacement.................5-54
Backing Up....................................................4-57
BATTERY NOT CHARGING.............................3-60
Battery Replacement......................................... 2-7
Battery Run-Down Protection............................3-19
Battery..........................................................5-41
Before Leaving on a Long Trip.........................4-35
Before You Drive............................................3-92
Before You Go Off-Roading..............................4-15
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..................................3-39
Brakes..........................................................5-38Braking in Emergencies..................................... 4-8
Braking........................................................... 4-5
Break-In, New Vehicle.....................................2-19
Bulb Replacement...........................................5-50
Front Turn Signal and Sidemarker Lamps.......5-51
Halogen Bulbs............................................5-50
Headlamps.................................................5-50
Replacement Bulbs......................................5-52
Taillamps and Turn Signal Lamps..................5-51
Buying New Tires...........................................5-58
C
California Fuel.................................................. 5-5
Canada........................................................... 7-4
Canadian Owners................................................ ii
Canadian Roadside Assistance........................... 7-7
Capacities and Speci®cations..........................5-102
Carbon Monoxide...................4-39, 4-50, 2-13, 2-33
Care of.........................................................5-83
Safety Belts................................................5-83
Your Cassette Tape Player..........................3-106
Your CD and DVD Player...........................3-107
Your CDs and DVDs..................................3-107
Cargo Cover..................................................2-50
Cargo Tie Downs............................................2-50
Cassette Tape Messages.................................3-78
Cassette Tape Player Service...........................6-11
Chains, Tires..................................................5-62
2

Extender, Safety Belt.......................................1-29
Exterior Lamps...............................................3-15
F
Filter.............................................................5-20
Engine Air Cleaner......................................5-20
Finding a PTY Station.....................3-67, 3-75, 3-84
Finding a Station............................3-65, 3-72, 3-82
Finish Care....................................................5-84
Finish Damage...............................................5-86
Fixed Mast Antenna.......................................3-107
Flash-to-Pass................................................... 3-9
Flat Tire, Changing.........................................5-64
Flat Tire........................................................5-64
Fluid.............................................................5-21
Automatic Transmission................................5-21
Power Steering...........................................5-36
Windshield Washer......................................5-37
FM ..............................................................3-105
Fog Lamps....................................................3-17
Following Distance..........................................4-57
Footnotes........................................................ 6-5
Four-Wheel Drive....................................2-25, 5-48
Front Axle......................................................5-49
Front Storage Area.........................................2-45
Fuel Information..............................................3-52
FUEL LEVEL LOW.........................................3-61
Fuel............................................................... 5-4Additives...................................................... 5-6
California Fuel.............................................. 5-5
Filling a Portable Fuel Container..................... 5-9
Filling Your Tank........................................... 5-7
Fuels in Foreign Countries.............................. 5-7
Gage.........................................................3-49
Gasoline Octane........................................... 5-4
Gasoline Speci®cations.................................. 5-5
Low Warning Light.......................................3-50
System Inspection.......................................6-16
Fuses...........................................................5-90
Fuses and Circuit Breakers...........................5-90
Windshield Wiper.........................................5-89
G
Gage............................................................3-48
Check Gages Warning Light..........................3-48
Engine Coolant Temperature.........................3-41
Fuel..........................................................3-49
Oil Pressure...............................................3-45
Speedometer..............................................3-36
Tachometer.................................................3-36
Voltmeter Gage...........................................3-39
Garage Door Opener.......................................2-40
Gasoline......................................................... 5-4
Octane........................................................ 5-4
Speci®cations............................................... 5-5
Gate Ajar Light...............................................3-49
6

Gate Operator and Canadian Programming........2-43
Getting Familiar with Off-Road Driving................4-17
Glove Box.....................................................2-44
GM Mobility Program for Persons with
Disabilities.................................................... 7-5
H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-5
Headlamp High/Low-Beam Changer.................... 3-8
Headlamp Washer..........................................3-11
Headlamps....................................................5-50
Bulb Replacement.......................................5-50
Electrical System.........................................5-89
Front Turn Signal and Sidemarker Lamps.......5-51
Halogen Bulbs............................................5-50
Headphones...................................................3-92
Heated Seats................................................... 1-3
Highway Hypnosis...........................................4-36
Hill and Mountain Roads..................................4-37
Hitches..........................................................4-55
HomeLink Transmitter, Programming..................2-41
HomeLink
žTransmitter....................................2-40
Hood............................................................5-10
Checking Things Under................................5-10
Release.....................................................5-10
Horn............................................................... 3-7How to Add Coolant to the Coolant
Recovery Tank............................................5-31
How to Add Coolant to the Radiator..................5-33
How to Add Fluid............................................5-23
How to Check Lubricant...................................5-48
How to Check Power Steering Fluid..................5-36
How to Check........................................5-22, 5-55
How to Inspect...............................................5-20
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-14
Hydroplaning..................................................4-31
I
ICE POSSIBLE..............................................3-62
If No Steam Is Coming From Your Engine..........5-28
If Steam Is Coming From Your Engine...............5-27
If the Light Is Flashing.....................................3-43
If the Light Is On Steady.................................3-43
If You Are Stuck in Sand, Mud, Ice or Snow.......4-44
If You Do Decide To Pull A Trailer.....................4-51
If You're Caught in a Blizzard...........................4-41
Ignition Positions.............................................2-19
Ignition Transmission Lock Check......................6-14
Infants and Young Children, Restraints...............1-32
In¯ation -- Tire Pressure..................................5-55
7

P
Park(P).........................................................2-29
Shifting Into................................................2-29
Shifting Out of............................................2-31
Parking Brake and Automatic Transmission
Park (P) Mechanism Check...........................6-15
Parking on Hills..............................................4-58
Parking.........................................................2-28
Brake........................................................2-28
Over Things That Burn.................................2-32
Part A - Scheduled Maintenance Services............ 6-4
Part B - Owner Checks and Services................6-11
Part C - Periodic MaintenanceInspections..........6-16
Part D - Recommended Fluids and Lubricants....6-18
Part E - Maintenance Record...........................6-20
PASSENGER DOOR AJAR..............................3-62
Passing.................................................4-12, 4-57
Passlock
ž......................................................2-18
Personalization, Climate Controls......................3-33
Personalization...............................................3-53
Plan Ahead When Possible................................ 7-7
Playing a Cassette Tape..................................3-77
Playing a Compact Disc..................3-69, 3-79, 3-87
Playing a Speci®c Loaded Compact Disc............3-88
Playing the Radio...........................3-64, 3-71, 3-81
Power Steering...............................................4-10
Power...........................................................3-19
Accessory Outlets........................................3-19
Door Locks.................................................. 2-9Power (cont.)
Electrical System.........................................5-90
Lumbar Controls........................................... 1-2
Reclining Seatbacks...................................... 1-4
Reduced Engine Light..................................3-47
Seat............................................................ 1-2
Steering Fluid.............................................5-36
Windows....................................................2-15
Programmable Automatic Door Locks.................2-10
Programmable Locking Feature.........................2-10
Programmable Unlocking Feature......................2-11
Programming the HomeLink Transmitter.............2-41
Q
Questions and Answers About Safety Belts.........1-13
R
Radiator Pressure Cap....................................5-26
Radio Messages.....................................3-69, 3-76
Radios..........................................................3-63
Care of Your Cassette Tape Player...............3-106
Care of Your CD and DVD Player................3-107
Care of Your CDs and DVDs.......................3-107
Radio Personalization.................................3-104
Radio with Cassette and CD.........................3-71
Radio with CD............................................3-64
Radio with Six-Disc CD................................3-81
11

Top Strap Anchor Location...............................1-41
Top Strap......................................................1-40
Torque Lock...................................................2-31
Total Weight on Your Vehicle's Tires..................4-54
Towing..........................................................4-45
Recreational Vehicle.....................................4-45
Towing a Trailer..........................................4-50
Your Vehicle...............................................4-45
Traction........................................................... 4-8
Assist System (TAS)...................................... 4-8
Trailer Brakes.................................................4-55
Trailer Wiring Harness.....................................4-60
TRANS HOT IDLE ENGINE.............................3-61
Transfer Case and Front Axle
(Four-Wheel Drive) Inspection.......................6-17
Transfer Case................................................5-48
Transmission Operation, Automatic....................2-23
Transmission, Transaxle, Transfer Case Unit
Repair Manual............................................7-10
Transmission..................................................5-21
Fluid, Automatic...........................................5-21
Transportation Options...................................... 7-7
Travel Note Recorder......................................2-45
Traveling to Remote Areas...............................4-17
Trip Information..............................................3-51
Trip Odometer................................................3-36
Turn and Lane Change Signals.......................... 3-8
TURN SIGNAL ON.........................................3-61
Turn Signal/Multifunction Lever........................... 3-7Turn Signals When Towing a Trailer..................4-57
Two-Wheel-Drive Vehicles................................4-46
U
Underbody Flushing Service.............................6-15
Understanding Radio Reception.......................3-105
Uniform Tire Quality Grading............................5-59
United States................................................... 7-4
Used Replacement Wheels..............................5-61
Using Cleaner on Fabric..................................5-81
Using HomeLink
ž...........................................2-43
Using RDS....................................3-67, 3-74, 3-84
Using Song List Mode.....................................3-90
V
Vehicle Identi®cation........................................5-88
Number (VIN).............................................5-88
Service Parts Identi®cation Label...................5-88
Vehicle Personalization....................................2-51
Memory Seat..............................................2-51
Vehicle Storage..............................................5-42
Vehicle............................................................ 4-5
Control........................................................ 4-5
Damage Warnings........................................... iv
Loading......................................................4-47
Symbols......................................................... iv
15