2004 GMC ENVOY engine coolant

Owner Checks and Services
These owner checks and services should be performed
at the intervals specied to help ensure the safety,
dependability and emission control performance of your
vehicle. Your GM Goodwrench dealer can assist you
with these checks and services.
Be sure any necessary repairs are completed at once.
Whenever any uids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown
inRecommended Fluids and Lubricants on page 6-12.
At Each Fuel Fill
It is important to perform these underhood checks at
each fuel ll.
Engine Oil Level Check
Check the engine oil level and add the proper oil if
necessary. SeeEngine Oil on page 5-16for 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 5-25for further details.
Windshield Washer Fluid Level Check
Check the windshield washer uid level in the windshield
washer tank and add the proper uid if necessary.
At Least Once a Month
Tire Ination Check
Visually inspect your tires and make sure tires are
inated to the correct pressures. Do not forget to check
your spare tire. SeeTires on page 5-57for further
details. Check to make sure the spare tire is stored
securely. Push, pull and then try to rotate or turn
the spare tire. If it moves, tighten it. SeeChanging a
Flat Tire on page 5-76.
6-9

Recommended Fluids and
Lubricants
Fluids and lubricants identied below by name, part
number or specication may be obtained from your
dealer.
Usage Fluid/Lubricant
Engine OilEngine oil which meets GM
Standard GM6094M and displays
the American Petroleum Institute
Certied for Gasoline Engines
starburst symbol. To determine the
proper viscosity for your vehicle’s
engine, seeEngine Oil on
page 5-16.
Engine Coolant50/50 mixture of clean, drinkable
water and use only
DEX-COOL
®Coolant. SeeEngine
Coolant on page 5-25.
Hydraulic Brake
SystemDelco Supreme 11 Brake Fluid or
equivalent DOT-3 brake uid.
Windshield
Washer SolventGM Optikleen
®Washer Solvent.
Usage Fluid/Lubricant
Parking Brake
Cable GuidesChassis Lubricant (GM Part No.
U.S. 12377985, in Canada
88901242) or lubricant meeting
requirements of NLGI #2, Category
LB or GC-LB.
Power Steering
SystemGM Power Steering Fluid (GM Part
No. U.S. 89021184, in Canada
89021186).
Automatic
TransmissionDEXRON
®-III Automatic
Transmission Fluid.
Key Lock
CylindersMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474).
Chassis
LubricationChassis Lubricant (GM Part No.
U.S. 12377985, in Canada
88901242) or lubricant meeting
requirements of NLGI #2, Category
LB or GC-LB.
Front and
Rear AxleSAE 75W-90 Synthetic Axle
Lubricant (GM Part No. U.S.
12378261, in Canada 10953455)
meeting GM Specication 9986115.
6-12

Care of (cont.)
Cargo Cover..................................................2-50
Cargo Tie Downs............................................2-51
Cassette Tape Messages.................................3-86
CD Adapter Kits.............................................3-86
CD Messages...............................3-75, 3-89, 3-102
Chains, Tires..................................................5-72
Charging System Light....................................3-36
Check
Engine Light...............................................3-40
Gages Warning Light...................................3-47
CHECK WASHER FLUID.................................3-61
Checking Brake Fluid......................................5-40
Checking Coolant............................................5-26
Checking Engine Oil........................................5-16
Checking Things Under the Hood......................5-10
Checking Your Restraint Systems......................1-61
Chemical Paint Spotting...................................5-98
Child Restraints
Child Restraint Systems...............................1-35
Infants and Young Children...........................1-31
Lower Anchorages and Top Tethers
for Children (LATCH System).....................1-42
Older Children.............................................1-29
Securing a Child Restraint Designed
for the LATCH System..............................1-44
Securing a Child Restraint in a
Rear Outside Seat Position........................1-44Child Restraints (cont.)
Securing a Child Restraint in the
Center Seat Position.................................1-48
Securing a Child Restraint in the
Right Front Seat Position..........................1-48
Top Strap...................................................1-39
Top Strap Anchor Location............................1-41
Where to Put the Restraint...........................1-39
Chime Level Adjustment.................................3-120
Cigarette Lighter.............................................3-20
Cleaning
Inside of Your Vehicle..................................5-92
Outside of Your Vehicle................................5-95
Underbody Maintenance...............................5-98
Video Screen............................................3-119
Weatherstrips..............................................5-94
Cleaning Aluminum Wheels..............................5-97
Cleaning Exterior Lamps/Lenses.......................5-95
Cleaning Fabric/Carpet....................................5-92
Cleaning Glass Surfaces..................................5-94
Cleaning Interior Plastic Components.................5-94
Cleaning Leather............................................5-93
Cleaning the Top of the Instrument Panel...........5-94
Cleaning the Windshield, Backglass
and Wiper Blades........................................5-96
Cleaning Tires................................................5-97
Cleaning Vinyl................................................5-93
3

Climate Control System
Climate Controls Personalization....................3-31
Dual..........................................................3-20
Dual Automatic............................................3-24
Rear..........................................................3-28
Compass Calibration.......................................2-36
Compass Operation.........................................2-36
Compass Variance..........................................2-37
Content Theft-Deferrent....................................2-17
Control of a Vehicle.......................................... 4-5
Convenience Net............................................2-50
Coolant
Engine Temperature Gage............................3-39
Heater, Engine............................................2-23
Cooling System..............................................5-30
Cruise Control................................................3-12
Cruise Control Light........................................3-46
CURB VIEW ACTIVATED.................................3-62
Current and Past Model Order Forms................7-13
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 Program for Persons
with Disabilities.......................................... 7-5
Reporting Safety Defects to General Motors....7-11Customer Assistance Information (cont.)
Reporting Safety Defects to
the Canadian Government.........................7-11
Reporting Safety Defects to
the United States Government...................7-11
Roadside Assistance Program......................... 7-6
Service Publications Ordering Information........7-12
D
Daytime Running Lamps (DRL).........................3-16
Defensive Driving............................................. 4-2
Defogging and Defrosting.........................3-22, 3-26
Delayed Locking............................................... 2-9
Dinghy Towing................................................4-45
Doing Your Own Service Work........................... 5-3
Dolly Towing..................................................4-47
Dome Lamp Override......................................3-18
Dome Lamps.................................................3-18
Door
Delayed Locking........................................... 2-9
Locks.......................................................... 2-8
Power Door Locks......................................... 2-9
Programmable Automatic Door Locks.............2-10
Rear Door Security Locks.............................2-13
4

Driver
Position, Safety Belt.....................................1-14
DRIVER DOOR AJAR.....................................3-61
Driver Information Center (DIC).........................3-50
DIC Operation and Displays..........................3-50
DIC Warnings and Messages........................3-59
Driving
At Night.....................................................4-28
City...........................................................4-33
Defensive..................................................... 4-2
Drunken....................................................... 4-2
Freeway.....................................................4-34
Hill and Mountain Roads..............................4-36
In Rain and on Wet Roads...........................4-30
Winter........................................................4-38
Driving Across an Incline..................................4-24
Driving Downhill..............................................4-23
Driving in Mud, Sand, Snow or Ice....................4-26
Driving in Water..............................................4-27
Driving On Grades..........................................4-63
Driving on Off-Road Hills.................................4-19
Driving on Snow or Ice....................................4-39
Driving Through Deep Standing Water...............4-32
Driving Through Flowing Water.........................4-32
Driving Uphill..................................................4-20
Driving with a Trailer.......................................4-61Dual Automatic Climate Control System.............3-24
Dual Climate Control System............................3-20
DVD
Cleaning the Video Screen..........................3-119
Distortion..................................................3-117
Rear Seat Entertainment System..................3-104
DVD Player..................................................3-104
E
Electrical System
Add-On Equipment.....................................5-100
Fuses and Circuit Breakers.........................5-101
Headlamps...............................................5-100
Power Windows and Other Power Options....5-101
Windshield Wiper Fuses.............................5-101
Electronically Controlled Air Suspension System....4-53
Emergency Release for Opening Liftgate............2-14
Emissions Inspection and
Maintenance Programs.................................3-43
Engine
Air Cleaner/Filter.........................................5-21
Battery.......................................................5-42
Change Engine Oil Light...............................3-45
Check and Service Engine Soon Light............3-40
Coolant......................................................5-25
5

Engine (cont.)
Coolant Heater............................................2-23
Coolant Temperature Gage...........................3-39
Drive Belt Routing.......................................6-15
Engine Compartment Overview......................5-12
Exhaust.....................................................2-34
Fan Noise..................................................5-36
Oil .............................................................5-16
Overheating................................................5-28
Reduced Power Light...................................3-46
Starting......................................................2-21
Engine Compartment Fuse Block.....................5-102
ENGINE COOLANT HOT/ENGINE
OVERHEATED............................................3-60
Engine Oil Additives........................................5-19
Entertainment System
Cleaning the Video Screen..........................3-119
DVD Distortion..........................................3-117
Entry Lighting.................................................3-18
Environmental Concerns..................................4-17
Erasing HomeLink
®Buttons..............................2-44
Event Data Records (EDR)..............................7-10
Exit Lighting...................................................3-18
Express–Down Window....................................2-16
Extender, Safety Belt.......................................1-28
Exterior Lamps...............................................3-15
F
Filter
Engine Air Cleaner......................................5-21
Finding a Program Type (PTY)
Station (RDS and XM™)..............3-68, 3-79, 3-93
Finding a Station............................3-66, 3-77, 3-91
Finish Care....................................................5-95
Finish Damage...............................................5-97
Fixed Mast Antenna.......................................3-120
Flash-to-Pass................................................... 3-9
Flat Tire........................................................5-75
Flat Tire, Changing.........................................5-76
Fluid
Automatic Transmission................................5-22
Power Steering...........................................5-37
Windshield Washer......................................5-38
FM Stereo....................................................3-117
Fog Lamps....................................................3-17
Following Distance..........................................4-62
Four-Wheel Drive....................................2-26, 5-50
Front Axle......................................................5-51
Front Storage Area.........................................2-46
Fuel............................................................... 5-4
Additives...................................................... 5-6
California Fuel.............................................. 5-5
6

Fuel (cont.)
Filling a Portable Fuel Container..................... 5-9
Filling Your Tank........................................... 5-7
Fuels in Foreign Countries.............................. 5-6
Gage.........................................................3-48
Gasoline Octane........................................... 5-4
Gasoline Specications.................................. 5-5
Low Warning Light.......................................3-49
Fuel Information..............................................3-52
FUEL LEVEL LOW.........................................3-61
Fuses
Fuses and Circuit Breakers.........................5-101
Windshield Wiper.......................................5-101
G
Gage
Check Gages Warning Light..........................3-47
Engine Coolant Temperature.........................3-39
Fuel..........................................................3-48
Oil Pressure...............................................3-44
Speedometer..............................................3-34
Tachometer.................................................3-35
Voltmeter Gage...........................................3-37
Garage Door Opener.......................................2-41
Gasoline
Octane........................................................ 5-4
Specications............................................... 5-5Gate Ajar Light...............................................3-48
Gate Operator and Canadian Programming........2-44
Getting Familiar with Off-Road Driving................4-18
Glove Box.....................................................2-45
GM Mobility Program for Persons with
Disabilities.................................................... 7-5
H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-5
Headlamp High/Low-Beam Changer.................... 3-9
Headlamp Washer..........................................3-11
Headlamps....................................................5-52
Bulb Replacement.......................................5-52
Electrical System.......................................5-100
Front Turn Signal and Sidemarker Lamps.......5-52
Halogen Bulbs............................................5-52
Headphones.................................................3-110
Heated Seats................................................... 1-3
Highway Hypnosis...........................................4-36
Hill and Mountain Roads..................................4-36
Hitches..........................................................4-59
HomeLink
®Transmitter....................................2-41
HomeLink®Transmitter, Programming................2-42
Hood
Checking Things Under................................5-10
Release.....................................................5-10
7

Horn............................................................... 3-7
How to Add Coolant to the
Coolant Recovery Tank................................5-32
How to Add Coolant to the Radiator..................5-34
How to Add Fluid............................................5-25
How to Check........................................5-23, 5-66
How to Check Lubricant...................................5-49
How to Check Power Steering Fluid..................5-37
How to Inspect...............................................5-22
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-14
Hydroplaning..................................................4-31
I
ICE POSSIBLE..............................................3-61
If No Steam Is Coming From Your Engine..........5-29
If Steam Is Coming From Your Engine...............5-28
If the Light Is Flashing.....................................3-41
If the Light Is On Steady.................................3-42
If You Are Caught in a Blizzard.........................4-40
If You Are Stuck in Sand, Mud, Ice or Snow.......4-42
If You Do Decide To Pull A Trailer.....................4-56
Ignition Positions.............................................2-20
Infants and Young Children, Restraints...............1-31
Ination - Tire Pressure...................................5-65Instrument Panel
Cluster.......................................................3-33
Overview..................................................... 3-4
Instrument Panel Brightness.............................3-17
Interior Lamps................................................3-17
J
Jump Starting.................................................5-43
K
Keyless Entry System....................................... 2-5
Keys............................................................... 2-3
L
Lamps
Exterior......................................................3-15
Interior.......................................................3-17
Lamps On Reminder.......................................3-16
Lap-Shoulder Belt...................................1-14, 1-23
LATCH System
Child Restraints...........................................1-42
Securing a Child Restraint Designed for the
LATCH System........................................1-44
8