tires GMC SIERRA 2003 Service Manual

60,000 Miles (100 000 km)
❑Inspect engine air cleanerlter change indicator.
If necessary, replace thelter. If vehicle is driven
in dusty/dirty conditions, inspectlter change
indicator at every engine oil change. SeeEngine Air
Cleaner/Filter on page 5-18for more information.
An Emission Control Service. (See footnote†.)
❑Check rear/front axleuid level and adduid as
needed. Check constant velocity joints and axle seals
for leaking.
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotation pattern and additional
information.(See footnote +.)
❑Replace fuellter.An Emission Control Service.
(See footnote†.)
❑Inspect Evaporative Control System. Check all fuel
and vapor lines and hoses for proper hook-up,
routing and condition. Check that the purge valve
works properly, if equipped. Replace as needed.
An Emission Control Service. (See footnote†.)
67,500 Miles (112 500 km)
❑Check rear/front axleuid level and adduid as
needed. Check constant velocity joints and axle seals
for leaking.
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotation pattern and additional
information.(See footnote +.)
75,000 Miles (125 000 km)
❑Inspect engine air cleanerlter change indicator.
If necessary, replace thelter. If vehicle is driven
in dusty/dirty conditions, inspectlter change
indicator at every engine oil change. SeeEngine Air
Cleaner/Filter on page 5-18for more information.
An Emission Control Service. (See footnote†.)
❑Check rear/front axleuid level and adduid as
needed. Check constant velocity joints and axle seals
for leaking.
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotation pattern and additional
information.(See footnote +.)
82,500 Miles (137 500 km)
❑Check rear/front axleuid level and adduid as
needed. Check constant velocity joints and axle seals
for leaking.
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotation pattern and additional
information.(See footnote +.)
90,000 Miles (150 000 km)
❑Inspect engine air cleanerlter change indicator.
If necessary, replace thelter. If vehicle is driven
in dusty/dirty conditions, inspectlter change
indicator at every engine oil change. SeeEngine Air
Cleaner/Filter on page 5-18for more information.
An Emission Control Service. (See footnote†.)
6-8
2003 - Sierra Denali

❑Check rear/front axleuid level and adduid as
needed. Check constant velocity joints and axle seals
for leaking.
❑Replace fuellter.An Emission Control Service.
(See Footnote†.)
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotation pattern and additional
information.(See footnote +.)
97,500 Miles (162 500 km)
❑Check rear/front axleuid level and adduid as
needed. Check constant velocity joints and axle seals
for leaking.
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-58for proper rotation pattern and additional
information.(See footnote +.)
100,000 Miles (166 000 km)
❑Inspect spark plug wires.An Emission Control
Service.
❑Replace spark plugs.An Emission Control Service.❑Change automatic transmissionuid andlter if the
vehicle is mainly driven under one or more of these
conditions:
In heavy city traffic where the outside
temperature regularly reaches 90°F (32°C) or
higher.
In hilly or mountainous terrain.
When doing frequent trailer towing.
Uses such as found in taxi, police or delivery
service.
❑If you haven’t used your vehicle under severe service
conditions listed previously and, therefore, haven’t
changed your automatic transmissionuid, change
both theuid andlter.
❑Inspect Positive Crankcase Ventilation (PCV) valve.
An Emission Control Service.
150,000 Miles (240 000 km)
❑Drain,ush and rell cooling system (or every
60 months since last service, whichever occursrst).
SeeEngine Coolant on page 5-23for what to use.
Inspect hoses. Clean radiator, condenser, pressure
cap and neck. Pressure test the cooling system
and pressure cap.An Emission Control Service.
❑Inspect engine accessory drive belt.An Emission
Control Service.
6-9
2003 - Sierra Denali

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

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

Cleaning the Windshield and Wiper Blades.........5-86
Cleaning Tires................................................5-87
Cleaning Vinyl................................................5-83
Cleaning Wood Panels....................................5-84
Climate Control System
Dual Automatic............................................3-18
Compact Disc Changer Errors..........................3-75
Compact Disc Messages..................................3-70
Compass Calibration.......................................2-30
Compass Variance..........................................2-29
Content Theft-Deterrent....................................2-13
Control of a Vehicle.......................................... 4-5
Coolant
Engine Temperature Gage............................3-36
Heater, Engine............................................2-18
Surge Tank Pressure Cap.............................5-26
Cooling System..............................................5-29
Cruise Control.................................................. 3-8
Cruise Control Light........................................3-40
Cupholder(s)..................................................2-39
Current and Past Model Order Forms................7-10
Customer Assistance Information
Courtesy Transportation
.................................. 7-7
Customer Assistance for Text Telephone (TTY)
Users
....................................................... 7-3
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
...... 7-9Customer Assistance Information (cont.)
Reporting Safety Defects to the Canadian
Government.............................................. 7-9
Reporting Safety Defects to the United States
Government.............................................. 7-8
Roadside Assistance Program......................... 7-5
Service Publications Ordering Information......... 7-9
D
Daytime Running Lamps..................................3-13
Defensive Driving............................................. 4-2
Defogging and Defrosting.................................3-22
Doing Your Own Service Work........................... 5-3
Dome Lamps .................................................3-16
Door
Locks.......................................................... 2-6
Power Door Locks......................................... 2-7
Programmable Automatic Door Locks............... 2-7
Rear Doors.................................................. 2-9
Driver
Position, Safety Belt.....................................1-12
DRIVER DOOR AJAR.....................................3-56
Driver Information Center (DIC).........................3-42
DIC Operation and Displays..........................3-42
DIC Warnings and Messages........................3-51
Driving
At Night.....................................................4-30
City ...........................................................4-35
Defensive..................................................... 4-2
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2003 - Sierra Denali

T
Tachometer....................................................3-26
Tailgate.........................................................2-10
Tailgate Removal............................................2-10
Taillamps.......................................................5-54
Temperature and Compass Display....................2-28
Testing the Alarm............................................2-14
Theft-Deterrent, Radio.....................................3-75
Theft-Deterrent Systems...................................2-13
Content Theft-Deterrent................................2-13
Passlock
®...................................................2-15
Tilt Wheel........................................................ 3-5
Tire Inflation Check.........................................6-10
Tires.............................................................5-56
Buying New Tires........................................5-60
Chains.......................................................5-64
Changing a Flat Tire....................................5-65
If a Tire Goes Flat.......................................5-64
Inflation -- Tire Pressure...............................5-57
Inspection and Rotation................................5-58
Spare Tire..................................................5-82
Uniform Tire Quality Grading.........................5-61
Wheel Alignment and Tire Balance
.................5-62
Wheel Replacement
.....................................5-62
When It Is Time for New Tires
......................5-59
To Use the Engine Coolant Heater
....................2-18
Tonneau Cover
...............................................2-39
Top Strap
......................................................1-39
Top Strap Anchor Location
...............................1-40Torque Lock...................................................2-25
Total Weight on Your Vehicle’s Tires..................4-56
Tow/Haul Mode ...............................................2-21
Tow/Haul Mode Light.......................................3-41
Towing
Recreational Vehicle.....................................4-47
Towing a Trailer..........................................4-53
Your Vehicle...............................................4-46
Traction
Manual Selectable Ride................................. 4-9
TRACTION ACTIVE........................................3-55
Trailer
Recommendations.......................................4-52
Trailer Brakes.................................................4-57
Trailer Wiring Harness.....................................4-61
Transfer Case................................................5-45
Transmission
Fluid, Automatic...........................................5-20
Temperature Gage.......................................3-36
TRANSMISSION HOT.....................................3-55
Transmission Operation, Automatic....................2-19
Transmission, Transaxle, Transfer Case Unit
Repair Manual............................................7-10
Transportation Options...................................... 7-7
Traveling to Remote Areas...............................4-20
Trip Information Button....................................3-43
Trip Odometer
................................................3-26
Truck-Camper Loading Information
....................4-50
Turn and Lane Change Signals
.......................... 3-6
TURN SIGNAL ON
.........................................3-54
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2003 - Sierra Denali