fluid GMC SIERRA 2003 Owner's Guide

Part B: Owner Checks and Services
Listed in this part are owner checks and services
which should be performed at the intervals specied to
help ensure the safety, dependability and emission
control performance of your vehicle.
Be sure any necessary repairs are completed at once.
Whenever anyuids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown
in Part D.
At Each Fuel Fill
It is important for you or a service station attendant to
perform these underhood checks at each fuelfill.
Engine Oil Level Check
Check the engine oil level and add the proper oil if
necessary. SeeEngine Oil on page 5-13for further
details.
Engine Coolant Level Check
Check the engine coolant level and add DEX-COOL®
coolant mixture if necessary. SeeEngine Coolant
on page 5-23for further details.
Windshield Washer Fluid Level Check
Check the windshield washeruid level in the windshield
washer tank and add the properuid if necessary.
SeeWindshield Washer Fluid on page 5-35for further
details.
At Least Once a Month
Tire Inflation Check
Make sure tires are inated to the correct pressures.
Don’t forget to check your spare tire. SeeTires on
page 5-56for further details.
Cassette Tape Player Service
Clean cassette tape player. Cleaning should be done
every 50 hours of tape play. SeeAudio System(s)
on page 3-56for further details.
At Least Twice a Year
Restraint System Check
Make sure the safety belt reminder light and all your
belts, buckles, latch plates, retractors and anchorages
are working properly. Look for any other loose or
damaged safety belt system parts. If you see anything
that might keep a safety belt system from doing its
job, have it repaired. Have any torn or frayed safety belts
replaced.
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2003 - Sierra Denali

Also look for any opened or broken air bag coverings,
and have them repaired or replaced. (The air bag
system does not need regular maintenance.)
Wiper Blade Check
Inspect wiper blades for wear or cracking. Replace
blade inserts that appear worn or damaged or that
streak or miss areas of the windshield. Also see
Cleaning the Outside of Your Vehicle on page 5-85.
Spare Tire Check
At least twice a year, after the monthly ination check of
the spare tire determines that the spare is inated to
the correct tire ination pressure, make sure that
the spare tire is stored securely. Push, pull, and then try
to rotate or turn the tire. If it moves, use the wheel
wrench/ratchet to tighten the cable. SeeChanging a Flat
Tire on page 5-65.
Weatherstrip Lubrication
Silicone grease on weatherstrips will make them last
longer, seal better, and not stick or squeak. Apply
silicone grease with a clean cloth. During very cold,
damp weather more frequent application may be
required. SeePart D: Recommended Fluids and
Lubricants on page 6-15.
Automatic Transmission Check
Check the transmissionuid level; add if needed. See
Automatic Transmission Fluid on page 5-20.Auid loss
may indicate a problem. Check the system and repair
if needed.
At Least Once a Year
Key Lock Cylinders Service
Lubricate the key lock cylinders with the lubricant
specied in Part D.
Body Lubrication Service
Lubricate all body door hinges, hood latch assembly,
secondary latch, pivots, spring anchor, release
pawl, tailgate hinge, tailgate linkage, tailgate handle
pivot points, latch bolt, fuel door hinge, locks and folding
seat hardware. Part D tells you what to use. More
frequent lubrication may be required when exposed to a
corrosive environment.
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2003 - Sierra Denali

Transfer Case and Front Axle
(All-Wheel Drive) Inspection
Every 12 months, or at engine oil change intervals,
check front axle and transfer case and add lubricant
when necessary. Auid loss could indicate a problem.
Check and have it repaired, if needed. Check vent
hose at transfer case for kinks and proper installation.
Brake System Inspection
Inspect the complete system. Inspect brake lines and
hoses for proper hook-up, binding, leaks, cracks,
chang, etc. Inspect disc brake pads for wear and rotors
for surface condition. Inspect other brake parts,
including calipers, parking brake, etc. You may need to
have your brakes inspected more often if your driving
habits or conditions result in frequent braking.
Part D: 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 with the American
Petroleum Institute Certied for
Gasoline Engines starburst symbol
of the proper viscosity. To determine
the preferred viscosity for your
vehicle’s engine, seeEngine Oil on
page 5-13.
Engine Coolant50/50 mixture of clean, drinkable
water and use only
DEX-COOL
®Coolant. SeeEngine
Coolant on page 5-23.
Hydraulic Brake
SystemDelco Supreme 11 Brake Fluid or
equivalent DOT-3 brakeuid.
Windshield
Washer SolventGM Optikleen
®Washer Solvent or
equivalent.
Power Steering
SystemGM Power Steering Fluid (GM Part
No. U.S. 1052884, in Canada
993294, or equivalent).
Automatic
TransmissionDEXRON
®-III Automatic
Transmission Fluid.
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2003 - Sierra Denali

Usage Fluid/Lubricant
Key Lock
CylindersMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474, or equivalent).
Floor Shift
LinkageLubriplate Lubricant Aerosol (GM
Part No. U.S. 12346293, in Canada
992723, or equivalent) or lubricant
meeting requirements of NLGI #2
Category LB or GC-LB.
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 AxleSAE 75W-90 Synthetic Axle
Lubricant (GM Part No. U.S.
12378261, in Canada 10953455) or
equivalent meeting GM Specication
9986115.
Rear Axle
(Steerable)Synthetic Axle Lubricant; use only
GM Part No. 12378557 (in Canada
88901362). Do not add friction
modier.
Transfer CaseDEXRON
®-III Automatic
Transmission Fluid.
Rear Driveline
Center SplineChassis Lubricant (GM Part No.
U.S. 12377985, in Canada
88901242, or equivalent) or lubricant
meeting requirements of NLGI #2,
Category LB or GC-LB.
Usage Fluid/Lubricant
Front Axle
Propshaft
SplineSpline Lubricant, Special Lubricant
(GM Part No. U.S. 12345879, in
Canada 10953511) or lubricant
meeting requirements of GM
9985830.
Hood HingesMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474, or equivalent).
Body Door
Hinge Pins,
Tailgate Hinge
and Linkage,
Folding Seats
and Fuel Door
HingeMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474, or equivalent).
Tailgate Handle
Pivot Points,
Hinges, Latch
Bolt and
LinkageMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474, or equivalent).
Weatherstrip
ConditioningDielectric Silicone Grease (GM Part
No. U.S. 12345579, in Canada
10953014, or equivalent).
Weatherstrip
SqueaksSynthetic Grease with Teon,
Superlube (GM Part No. U.S.
12371287, in Canada 10953437, or
equivalent).
6-16
2003 - Sierra Denali

A
Accessory Power Outlets.................................3-16
Adding Washer Fluid.......................................5-35
Additional Program Information........................... 7-8
Additives, Fuel................................................. 5-6
Add-On Electrical Equipment............................5-91
Add-On Equipment..........................................4-50
Adjusting the Speakers (Balance/Fade)..............3-60
After Off-Road Driving.....................................4-30
Air Bag
Off Light.....................................................3-28
Passenger Status Indicator...........................3-31
Readiness Light..........................................3-27
Air Bag Systems.............................................1-55
Adding Equipment to Your Air Bag-Equipped
Vehicle...................................................1-71
Air Bag Off Switch.......................................1-61
How Does an Air Bag Restrain?....................1-59
Passenger Sensing System...........................1-66
Servicing Your Air Bag-Equipped Vehicle.........1-70
What Makes an Air Bag Inflate?....................1-59
What Will You See After an Air Bag Inflates?......1-59
When Should an Air Bag Inflate?...................1-58
Where Are the Air Bags?
..............................1-57
Air Cleaner/Filter, Engine
.................................5-18
Air Conditioning
..............................................3-21
All Overseas Locations
...................................... 7-4
All-Wheel Drive
...............................................5-45
All-Wheel Drive (AWD) System
.........................2-21AM ...............................................................3-76
Antenna, Fixed Mast.......................................3-78
Antenna, XM™ Satellite Radio Antenna System.....3-78
Anti-lock Brake System..................................... 4-6
Anti-Lock Brake, System Warning Light..............3-35
Appearance Care............................................5-82
Care of Safety Belts....................................5-84
Chemical Paint Spotting...............................5-88
Cleaning the Inside of Your Vehicle................5-83
Cleaning the Outside of Your Vehicle..............5-85
Finish Damage............................................5-87
GM Vehicle Care/Appearance Materials..........5-88
Sheet Metal Damage...................................5-87
Underbody Maintenance...............................5-87
Weatherstrips..............................................5-85
Approaching a Hill..........................................4-23
Ashtrays........................................................3-17
Audio System(s).............................................3-56
Audio Steering Wheel Controls......................3-76
Care of Your Cassette Tape Player................3-77
Care of Your CD Player...............................3-78
Care of Your CDs ........................................3-78
CD Changer
...............................................3-73
Fixed Mast Antenna
.....................................3-78
Navigation/Radio System
..............................3-70
Radio with Cassette and CD
.........................3-57
Rear Seat Audio (RSA)
................................3-71
Setting the Time
..........................................3-57
Theft-Deterrent Feature
................................3-75
Understanding Radio Reception
.....................3-76
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2003 - Sierra Denali

Audio System(s) (cont.)
XM™Satellite Radio Antenna System............3-78
Automatic Headlamp System............................3-12
Automatic Transmission
Fluid..........................................................5-20
Operation...................................................2-19
Automatic Transmission Check..........................6-11
Automatic Transmission Shift Lock Control
System Check.............................................6-12
B
Backing Up....................................................4-58
Battery..........................................................5-39
BATTERY NOT CHARGING.............................3-52
Battery Replacement......................................... 2-5
Battery Run-Down Protection............................3-16
Battery Warning Light......................................3-33
Before Leaving on a Long Trip.........................4-37
Before You Go Off-Roading..............................4-18
Body Lubrication Service..................................6-11
Brake
Parking......................................................2-22
System Inspection.......................................6-15
System Warning Light..................................3-34
Brake Adjustment............................................5-38
Brake Fluid....................................................5-36
Brake Pedal Travel.........................................5-38
Brake Wear...................................................5-38
Brakes..........................................................5-36Braking........................................................... 4-5
Braking in Emergencies..................................... 4-8
Break-In, New Vehicle.....................................2-15
Bulb Replacement...........................................5-48
Center High-Mounted Stoplamp (CHMSL)
and Cargo Lamp......................................5-52
Front Turn Signal, Sidemarker and Daytime
Running Lamps........................................5-49
Halogen Bulbs............................................5-48
Headlamps.................................................5-48
Pickup Box Identification and Fender
Marker Lamps.........................................5-54
Replacement Bulbs......................................5-55
Roof Marker Lamps.....................................5-51
Taillamps....................................................5-54
Buying New Tires...........................................5-60
C
California Fuel.................................................. 5-5
Canada........................................................... 7-4
Canadian Owners................................................ ii
Canadian Roadside Assistance........................... 7-6
Capacities and Specifications............................5-99
Car Washes for QUADRASTEER™Equipped
Vehicles.....................................................4-14
Carbon Monoxide...................4-40, 4-53, 2-10, 2-26
Care of
Safety Belts................................................5-84
Your Cassette Tape Player............................3-77
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2003 - Sierra Denali

Care of (cont.)
Your CD Player...........................................3-78
Your CDs ...................................................3-78
Cargo Lamp...................................................3-14
CARGO LAMP ON .........................................3-54
Cassette Tape Messages.................................3-67
Cassette Tape Player Service...........................6-10
CD Adapter Kits.............................................3-68
CD Changer...................................................3-73
CD Functions.................................................3-74
Center Console Storage Area...........................2-39
Center High-Mounted Stoplamp (CHMSL)
and Cargo Lamp.........................................5-52
Center Instrument Panel Fuse Block..................5-94
Center Passenger Position, Safety Belts.............1-21
Chains, Tires..................................................5-64
CHANGE ENGINE OIL ....................................3-52
Check
Engine Light...............................................3-37
Check Engine Light.........................................3-37
CHECK OIL LEVEL .........................................3-54
CHECK WASHER FLUID .................................3-54
Checking Brake Fluid......................................5-37
Checking Coolant............................................5-24
Checking Engine Oil........................................5-13
Checking Things Under the Hood
......................5-10
Checking Your Restraint Systems
......................1-71
Chemical Paint Spotting
...................................5-88
Child Restraints
Child Restraint Systems
...............................1-35Child Restraints (cont.)
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........................................1-45
Securing a Child Restraint in a Center Rear
Seat Position...........................................1-47
Securing a Child Restraint in a Rear Outside
Seat Position...........................................1-45
Securing a Child Restraint in the Right Front
Seat Position...........................................1-49
Top Strap...................................................1-39
Top Strap Anchor Location............................1-40
Where to Put the Restraint...........................1-38
Cigarette Lighter.............................................3-17
Cleaning
Inside of Your Vehicle..................................5-83
Outside of Your Vehicle................................5-85
Underbody Maintenance...............................5-87
Weatherstrips..............................................5-85
Cleaning Aluminum or Chrome-Plated Wheels.....5-87
Cleaning Exterior Lamps/Lenses.......................5-85
Cleaning Fabric/Carpet....................................5-83
Cleaning Glass Surfaces..................................5-84
Cleaning Interior Plastic Components
.................5-84
Cleaning Leather
............................................5-83
Cleaning the Mirror
.........................................2-30
Cleaning the Top of the Instrument Panel
...........5-84
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2003 - Sierra Denali

F
Filter
Engine Air Cleaner......................................5-18
Finding a PTY Station (RDS and XM™) .............3-61
Finding a Station............................................3-59
Finish Care....................................................5-85
Finish Damage...............................................5-87
Fixed Mast Antenna........................................3-78
Flash-To-Pass Feature....................................... 3-7
Flat Tire........................................................5-64
Flat Tire, Changing.........................................5-65
Fluid
Automatic Transmission................................5-20
Power Steering...........................................5-34
Windshield Washer......................................5-35
FM Stereo.....................................................3-76
Fog Lamps ....................................................3-14
Folding the Rear Seat....................................... 1-6
Following Distance..........................................4-58
Footnotes........................................................ 6-5
Front Axle......................................................5-47
Front Reading Lamps
......................................3-15
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
.............................. 5-6
Gage
.........................................................3-41Fuel (cont.)
Gasoline Octane........................................... 5-4
Gasoline Specifications.................................. 5-5
Low Warning Light.......................................3-41
System Inspection.......................................6-14
Fuel Information Button....................................3-44
FUEL LEVEL LOW.........................................3-54
Fuses
Fuses and Circuit Breakers...........................5-91
Windshield Wiper.........................................5-91
G
Gage
Engine Coolant Temperature.........................3-36
Fuel..........................................................3-41
Oil Pressure...............................................3-40
Speedometer..............................................3-26
Tachometer.................................................3-26
Transmission Temperature.............................3-36
Voltmeter Gage...........................................3-33
Garage Door Opener.......................................2-35
Gasoline
Octane........................................................ 5-4
Specifications............................................... 5-5
Gate Operator and Canadian Programming........2-37
Getting Familiar with Off-Road Driving................4-20
Glove Box.....................................................2-39
GM Mobility Program for Persons with
Disabilities.................................................... 7-5
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2003 - Sierra Denali

H
Hazard Warning Flashers................................... 3-4
Head Restraints............................................... 1-5
Headlamp High/Low Beam Changer.................... 3-6
Headlamps....................................................5-48
Bulb Replacement.......................................5-48
Front Turn Signal, Sidemarker and Daytime
Running Lamps........................................5-49
Halogen Bulbs............................................5-48
Pickup Box Identification and Fender
Marker Lamps.........................................5-54
Roof Marker Lamps.....................................5-51
Heated Seats................................................... 1-3
Heating.........................................................3-22
Highway Hypnosis...........................................4-38
Hill and Mountain Roads..................................4-38
Hitches..........................................................4-57
HomeLink
®Transmitter, Programming................2-35
HomeLink®Transmitter....................................2-35
Hood
Checking Things Under................................5-10
Release.....................................................5-10
Horn ............................................................... 3-5
How to Add Coolant to the Coolant Surge Tank......5-30
How to Add Fluid............................................5-22
How to Check........................................5-20, 5-57
How to Check Lubricant...................................5-46
How to Check Power Steering Fluid..................5-35How to Inspect...............................................5-18
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-12
Hydroplaning..................................................4-33
I
If No Steam Is Coming From Your Engine..........5-28
If Steam Is Coming From Your Engine...............5-27
If the Light is Flashing.....................................3-38
If the Light Is On Steady.................................3-38
If You Are Stuck in Sand, Mud, Ice or Snow.......4-44
If You Do Decide To Pull A Trailer.....................4-53
If You’re Caught in a Blizzard...........................4-42
Ignition Positions.............................................2-16
Ignition Transmission Lock Check......................6-13
Illuminated Visor Vanity Mirrors.........................2-13
Infants and Young Children, Restraints...............1-31
Inflation -- Tire Pressure..................................5-57
Inspection
Brake System
.............................................6-15
Engine Cooling System
................................6-14
Exhaust System
..........................................6-14
Fuel System
...............................................6-14
Part C - Periodic Maintenance
.......................6-14
Steering and Suspension
..............................6-14
Transfer Case and Front Axle
(All-Wheel Drive)
......................................6-15
7
2003 - Sierra Denali

M
Maintenance, Normal Replacement Parts..........5-100
Maintenance Schedule
At Each Fuel Fill.........................................6-10
At Least Once a Month................................6-10
At Least Once a Year..................................6-11
At Least Twice a Year..................................6-10
Brake System Inspection..............................6-15
Engine Cooling System Inspection.................6-14
Exhaust System Inspection...........................6-14
Fuel System Inspection................................6-14
How This Section is Organized....................... 6-3
Introduction.................................................. 6-2
Maintenance Requirements............................. 6-2
Part A - Scheduled Maintenance Services......... 6-4
Part B - Owner Checks and Services.............6-10
Part C - Periodic Maintenance Inspections......6-14
PartD-Recommended Fluids and Lubricants....6-15
PartE-Maintenance Record........................6-17
Scheduled Maintenance................................. 6-5
Steering and Suspension Inspection...............6-14
Transfer Case and Front Axle (All-Wheel
Drive) Inspection......................................6-15
Using Your................................................... 6-4
Your Vehicle and the Environment................... 6-2
Maintenance When Trailer Towing.....................4-60Making Turns.................................................4-59
Malfunction Indicator Light................................3-37
Manual Selectable Ride..................................... 4-9
Matching Transmitter(s) to Your Vehicle............... 2-5
Memory Seat.................................................2-41
Message
DIC Warnings and Messages........................3-51
Mexico, Central America and Caribbean Islands/
Countries (Except Puerto Rico and U.S. Virgin
Islands)....................................................... 7-4
Mirrors
Automatic Dimming Rearview with OnStar
®,
Compass and Temperature Display.............2-28
Outside Automatic Dimming Mirror.................2-32
Outside Convex Mirror.................................2-32
Outside Curb View Assist Mirrors...................2-32
Outside Heated Mirrors................................2-32
Outside Power Foldaway Mirrors....................2-31
Outside Power Mirrors..................................2-31
MyGMLink.com
................................................ 7-3
N
Navigation/Radio System
..................................3-70
New Vehicle Break-In
......................................2-15
Normal Maintenance Replacement Parts
...........5-100
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2003 - Sierra Denali