engine coolant CHEVROLET TAHOE 2003 2.G Owner's Guide

Part D: Recommended Fluids and
Lubricants
Fluids and lubricants identi®ed below by name, part
number or speci®cation may be obtained from your
dealer.
Usage Fluid/Lubricant
Engine OilEngine oil with the American
Petroleum Institute Certi®ed for
Gasoline Engines starburst symbol
of the proper viscosity. To determine
the preferred viscosity for your
vehicle's engine, see
Engine Oil on
page 5-18.
Engine Coolant50/50 mixture of clean, drinkable
water and use only
DEX-COOL
žCoolant. SeeEngine
Coolant on page 5-29.
Hydraulic Brake
SystemDelco Supreme 11 Brake Fluid or
equivalent DOT-3 brake ¯uid.
Windshield
Washer SolventGM Optikleen
žWasher Solvent or
equivalent.
Usage Fluid/Lubricant
Power Steering
SystemGM Power Steering Fluid (GM Part
No. U.S. 1052884, in Canada
993294, or equivalent).
Automatic
TransmissionDEXRON
ž-III Automatic
Transmission Fluid.
Key Lock
CylindersMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474, or equivalent).
Chassis
LubricationChassis Lubricant (GM Part No.
U.S. 12377985, in Canada
88901242, or equivalent) or lubricant
meeting requirements of NLGI #2,
Category LB or GC-LB.
Front Axle
(Four-Wheel
Drive)SAE 80W-90 Axle Lubricant (GM
Part No. U.S. 1052271, in Canada
10950849 or equivalent).
Front Axle
(All-Wheel
Drive)SAE 75W-90 Synthetic Axle
Lubricant (GM Part No. U.S.
12378261, in Canada 10953455) or
equivalent meeting GM Speci®cation
9986115.
6-18

Braking........................................................... 4-6
Break-In, New Vehicle.....................................2-21
Bucket Seats, Rear.........................................1-21
BUCKLE PASSENGER....................................3-65
BUCKLE SEATBELT.......................................3-65
Bulb Replacement...........................................5-59
Front Turn Signal, Sidemarker and Daytime
Running Lamps........................................5-61
Halogen Bulbs............................................5-59
Headlamps.................................................5-60
Replacement Bulbs......................................5-66
Roof Marker Lamps.....................................5-62
Side Identi®cation Marker Lamps...................5-62
Taillamps....................................................5-64
Buying New Tires...........................................5-71
C
California Fuel.................................................. 5-6
Canada ± Customer Assistance.......................... 7-5
Canadian Owners................................................ ii
Canadian Roadside Assistance........................... 7-8
Capacities and Speci®cations..........................5-118
Car Washes for QUADRASTEERŸ Equipped
Vehicles.....................................................4-19
Carbon Monoxide...................4-51, 4-65, 2-14, 2-43Care of........................................................5-102
Safety Belts..............................................5-102
Your Cassette Tape Player..........................3-127
Your CD and DVD Player...........................3-129
Your CDs and DVDs..................................3-128
Cargo Cover..................................................2-64
Cargo Tie Downs............................................2-64
Cassette Tape Messages.................................3-97
Cassette Tape Player Service...........................6-11
CD Adapter Kits.............................................3-98
Center Console Storage Area...........................2-62
Center Instrument Panel Fuse Block................5-112
Center Passenger Position, Safety Belts.............1-39
Chains, Tires..................................................5-76
CHANGE ENGINE OIL....................................3-65
Check Engine Light.........................................3-47
CHECK OIL LEVEL.........................................3-66
CHECK TIRE PRESSURE...............................3-66
CHECK WASHER FLUID.................................3-66
Checking Brake Fluid......................................5-46
Checking Coolant............................................5-31
Checking Engine Oil........................................5-18
Checking Things Under the Hood......................5-12
Checking Your Restraint Systems......................1-88
Check...........................................................3-47
Engine Light...............................................3-47
3

Coolant.........................................................3-45
Engine Temperature Gage............................3-45
Heater, Engine............................................2-24
Surge Tank Pressure Cap.............................5-32
Cooling System..............................................5-36
Cruise Control Light........................................3-51
Cruise Control................................................3-10
Cupholder(s)..................................................2-61
Current and Past Model Order Forms................7-12
Customer Assistance Information........................ 7-8
Courtesy Transportation.................................. 7-8
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................................................ 7-6
Reporting Safety Defects to General Motors....7-10
Reporting Safety Defects to the Canadian
Government............................................7-10
Reporting Safety Defects to the United States
Government............................................7-10
Roadside Assistance Program......................... 7-6
Service Publications Ordering Information........7-11D
Daytime Running Lamps..................................3-15
Defensive Driving............................................. 4-2
Defogging and Defrosting.........................3-23, 3-29
Delayed Locking.............................................2-10
Dinghy Towing................................................4-60
Doing Your Own Service Work........................... 5-3
Dolly Towing..................................................4-61
Dome Lamps.................................................3-18
Door.............................................................2-10
Delayed Locking..........................................2-10
Locks.......................................................... 2-8
Power Door Locks......................................... 2-9
Programmable Automatic Door Locks.............2-10
Rear Door Security Locks.............................2-13
DRIVER DOOR AJAR.....................................3-66
Driver Information Center (DIC).........................3-53
DIC Operation and Displays..........................3-54
DIC Warnings and Messages........................3-64
Driver............................................................1-30
Position, Safety Belt.....................................1-30
Driving Across an Incline..................................4-36
Driving Downhill..............................................4-34
5

Driving in Mud, Sand, Snow or Ice....................4-38
Driving in Water..............................................4-39
Driving On Grades..........................................4-75
Driving on Off-Road Hills.................................4-30
Driving on Snow or Ice....................................4-52
Driving Through Deep Standing Water...............4-44
Driving Through Flowing Water.........................4-44
Driving Uphill..................................................4-31
Driving with a Trailer.......................................4-73
Driving..........................................................4-40
At Night.....................................................4-40
City...........................................................4-45
Defensive..................................................... 4-2
Drunken....................................................... 4-2
Freeway.....................................................4-46
Hill and Mountain Roads..............................4-49
In Rain and on Wet Roads...........................4-42
Winter........................................................4-51
Dual Automatic Climate Control System.............3-25
Dual Climate Control System............................3-21
DVD Player..................................................3-114
DVD ............................................................3-129
Cleaning the Video Screen..........................3-129
Distortion..................................................3-126
Rear Seat Entertainment System..................3-114E
Easy Exit Seat...............................................2-67
Electrical System...........................................5-108
Add-On Equipment.....................................5-108
Fuses and Circuit Breakers.........................5-109
Power Windows and Other Power Options....5-108
Windshield Wiper Fuses.............................5-108
Electrochromic Mirror Operation................2-46, 2-49
Emissions Inspection and
Maintenance Programs.................................3-50
ENGINE COOLANT HOT.................................3-66
Engine Coolant Level Check.............................6-11
Engine Hour Meter Display...............................3-38
Engine Oil Additives........................................5-21
Engine Oil and Chassis Lubrication Scheduled
Maintenance................................................. 6-5
Engine Oil Level Check...................................6-11
ENGINE OVERHEATED..................................3-66
Engine..........................................................5-23
Air Cleaner/Filter.........................................5-23
Battery.......................................................5-48
Check and Service Engine Soon Light............3-47
Compartment Overview................................5-14
Coolant Heater............................................2-24
6

Engine (cont.)
Coolant Temperature Gage...........................3-45
Coolant......................................................5-29
Cooling System Inspection............................6-17
Exhaust.....................................................2-43
Fan Noise..................................................5-42
Oil .............................................................5-18
Overheating................................................5-33
Starting......................................................2-23
Entering or Exiting the Third Row Seats.............. 1-9
Entertainment System....................................3-129
Cleaning the Video Screen..........................3-129
DVD Distortion..........................................3-126
Entry Lighting.................................................3-17
Environmental Concerns..................................4-27
Erasing HomeLink
žButtons..............................2-60
Exit Lighting...................................................3-17
Express-Down Windows...................................2-17
Extender, Safety Belt.......................................1-46
Exterior Lamps...............................................3-14
F
Filter.............................................................5-23
Engine Air Cleaner......................................5-23
Finding a PTY Station
(RDS and XMŸ).......................3-80, 3-91, 3-104Finding a Station..................3-74, 3-78, 3-89, 3-102
Finish Care..................................................5-103
Finish Damage.............................................5-104
Fixed Mast Antenna.......................................3-129
Flash-To-Pass.................................................. 3-8
Flat Tire, Changing.........................................5-77
Flat Tire........................................................5-76
Fluid.............................................................5-26
Automatic Transmission................................5-26
Power Steering...........................................5-43
Windshield Washer......................................5-44
FM Stereo....................................................3-127
Fog Lamps....................................................3-16
Folding the Seatback.......................................1-16
Folding the Seatbacks.....................1-10, 1-12, 1-21
Following Distance..........................................4-74
Footnotes........................................................ 6-5
Four-Wheel Drive....................................2-29, 5-57
Four-Wheel-Drive Light....................................3-51
Front Axle Locking Feature...............................2-30
Front Axle......................................................5-58
Front Reading Lamps......................................3-18
Front Storage Area.........................................2-61
Frontal Air Bags.............................................1-79
Fuel Information Button....................................3-57
FUEL LEVEL LOW.........................................3-67
7

Fuel............................................................... 5-4
Additives...................................................... 5-6
California Fuel.............................................. 5-6
E-85 (85% Ethanol)....................................... 5-7
Filling a Portable Fuel Container....................5-11
Filling Your Tank........................................... 5-9
Fuels in Foreign Countries.............................. 5-8
Gage.........................................................3-52
Gasoline Octane........................................... 5-5
Gasoline Speci®cations.................................. 5-5
Low Warning Light.......................................3-53
System Inspection.......................................6-16
Fuses..........................................................5-109
Fuses and Circuit Breakers.........................5-109
Windshield Wiper.......................................5-108
G
Gage............................................................3-45
Engine Coolant Temperature.........................3-45
Fuel..........................................................3-52
Oil Pressure...............................................3-50
Speedometer..............................................3-38
Tachometer.................................................3-38
Transmission Temperature.............................3-46
Voltmeter Gage...........................................3-42Garage Door Opener.......................................2-57
Gasoline......................................................... 5-5
Octane........................................................ 5-5
Speci®cations............................................... 5-5
Gate Operator and Canadian Programming........2-60
Getting Familiar with Off-Road Driving................4-28
Glove Box.....................................................2-61
GM Mobility Program for Persons with
Disabilities.................................................... 7-6
H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-8
Headlamp High/Low-Beam Changer.................... 3-8
Headlamps....................................................5-60
Bulb Replacement.......................................5-59
Front Turn Signal, Sidemarker and Daytime
Running Lamps........................................5-61
Halogen Bulbs............................................5-59
Roof Marker Lamps.....................................5-62
Side Identi®cation Marker Lamps...................5-62
Headphones.................................................3-119
Heated Seats................................................... 1-5
Heating.........................................................3-29
Highway Hypnosis...........................................4-48
8

Hill and Mountain Roads..................................4-49
Hitches..........................................................4-72
HomeLink Transmitter, Programming..................2-58
HomeLink
žTransmitter....................................2-57
Hood............................................................5-12
Checking Things Under................................5-12
Release.....................................................5-12
Horn............................................................... 3-7
How to Add Coolant to the Coolant Surge Tank . . 5-38
How to Add Fluid............................................5-29
How to Check Lubricant...................................5-56
How to Check Power Steering Fluid..................5-44
How to Check........................................5-26, 5-68
How to Inspect...............................................5-24
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-29
Hydroplaning..................................................4-43
I
If No Steam Is Coming From Your Engine..........5-35
If Steam Is Coming From Your Engine...............5-34
If the Light is Flashing.....................................3-48
If the Light Is On Steady.................................3-49
If You Are Stuck in Sand, Mud, Ice or Snow.......4-56If You Do Decide To Pull A Trailer.....................4-66
If You're Caught in a Blizzard...........................4-54
Ignition Positions.............................................2-22
Ignition Transmission Lock Check......................6-14
Infants and Young Children, Restraints...............1-49
In¯ation -- Tire Pressure..................................5-68
Inspection......................................................6-17
Brake System.............................................6-17
Engine Cooling System................................6-17
Exhaust System..........................................6-16
Fuel System...............................................6-16
Part C - Periodic Maintenance.......................6-16
Steering and Suspension..............................6-16
Transfer Case and Front Axle
(Four-Wheel Drive)...................................6-17
Instrument Panel Brightness.............................3-17
Instrument Panel Fuse Block..........................5-109
Instrument Panel.............................................3-37
Cluster.......................................................3-37
Overview..................................................... 3-4
Interior Lamps................................................3-17
J
Jump Starting.................................................5-49
9

K
Key Lock Cylinders Service..............................6-13
KEYFOB X BATTERY LOW.............................3-68
Keyless Entry System....................................... 2-4
Keys............................................................... 2-3
L
Lamps On Reminder.......................................3-15
Lamps...........................................................3-14
Exterior......................................................3-14
Interior.......................................................3-17
Lap Belt........................................................1-39
Lap-Shoulder Belt...........................................1-30
LATCH System...............................................1-62
Child Restraints...........................................1-62
Securing a Child Restraint Designed for the
LATCH System........................................1-64
Leaving Your Vehicle With the Engine Running . . . 2-40
LEFT REAR DOOR AJAR................................3-67
Level Control..................................................4-64
Liftgate Glass and Liftgate................................2-14
Liftgate..........................................................2-14
Lighted Visor Vanity Mirror...............................2-18
Light.............................................................3-39
Air Bag Readiness.......................................3-39
Anti-Lock Brake System Warning...................3-44
Battery Warning..........................................3-41Light (cont.)
Brake System Warning.................................3-42
Cruise Control.............................................3-51
Four-Wheel-Drive.........................................3-51
Low Fuel Warning.......................................3-53
Malfunction Indicator....................................3-47
Passenger Air Bag Status Indicator................3-39
Safety Belt Reminder...................................3-38
Tow/Haul Mode...........................................3-52
Traction Off................................................3-44
Listening to a DVD..............................3-100, 3-114
Loading Your Vehicle for Off-Road Driving..........4-26
Loading Your Vehicle.......................................4-62
Locking Rear Axle...........................................4-12
Lockout Protection..........................................2-13
Lock-Out Switch.............................................2-18
Locks............................................................2-10
Delayed Locking..........................................2-10
Door........................................................... 2-8
Lockout Protection.......................................2-13
Power Door.................................................. 2-9
Programmable Automatic Door Locks.............2-10
Rear Door Security Locks.............................2-13
Loss of Control...............................................4-21
LOW COOLANT LEVEL..................................3-67
Low Fuel Warning Light...................................3-53
Luggage Carrier..............................................2-62
Lumbar........................................................... 1-5
Power Controls............................................. 1-5
10

Steering and Suspension Inspection..................6-16
Steering in Emergencies..................................4-16
Steering Tips..................................................4-15
Steering Wheel Controls, Audio.......................3-126
Steering........................................................4-15
Step-Bumper Pad...........................................4-81
Stereo RCA Jacks.........................................3-120
Storage Areas................................................2-62
Center Console Storage Area........................2-62
Convenience Net.........................................2-64
Cupholder(s)...............................................2-61
Front Storage Area......................................2-61
Glove Box..................................................2-61
Luggage Carrier..........................................2-62
Rear Storage Area.......................................2-63
Storing a Flat or Spare Tire, Jack and Tools.......5-90
Stuck in Sand, Mud, Ice or Snow......................4-56
Sun Visors.....................................................2-18
Sunroof.........................................................2-65
Supplemental Brake Assist System...................... 4-9
T
Tachometer....................................................3-38
Taillamps.......................................................5-64
Temperature and Compass Display....................2-46
Temperature Display........................................2-49Testing the Alarm............................................2-20
Theft-Deterrent, Radio....................................3-125
Theft-Deterrent Systems...................................2-18
Content Theft-Deterrent................................2-18
Passlock
ž...................................................2-20
Third Row......................................................1-67
Throttle, Adjustable..........................................2-24
TIGHTEN FUEL CAP......................................3-70
Tilt Wheel........................................................ 3-7
Tilting the 50/50 Split Bench Seat.....................1-12
Tilting the Bench Seat.....................................1-17
Tire In¯ation Check.........................................6-11
Tires.............................................................5-67
Buying New Tires........................................5-71
Chains.......................................................5-76
Changing a Flat Tire....................................5-77
If a Tire Goes Flat.......................................5-76
In¯ation -- Tire Pressure...............................5-68
Inspection and Rotation................................5-69
Spare Tire..................................................5-98
Uniform Tire Quality Grading.........................5-72
Wheel Alignment and Tire Balance.................5-74
Wheel Replacement.....................................5-74
When It Is Time for New Tires......................5-70
To Use the Engine Coolant Heater....................2-25
Top Strap Anchor Location...............................1-59
Top Strap......................................................1-57
17