steering CHEVROLET SILVERADO 2003 1.G Workshop Manual

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 5-16.
Engine Coolant50/50 mixture of clean, drinkable
water and use only
DEX-COOL
žCoolant. SeeEngine
Coolant on page 5-30.
Hydraulic Brake
SystemDelco Supreme 11 Brake Fluid or
equivalent DOT-3 brake ¯uid.
Windshield
Washer SolventGM Optikleen
žWasher Solvent or
equivalent.
Usage Fluid/Lubricant
Hydraulic
Clutch System
(5±Speed
Trans.)Hydraulic Clutch Fluid (GM Part No.
U.S. 12345347, in Canada
10953517, or equivalent DOT-3
brake ¯uid).
Hydraulic
Clutch System
(6±Speed
Trans.)Hydraulic Clutch Fluid. Use only GM
Part No. U.S. 88958860, in Canada
88901244.
Power Steering
SystemGM Power Steering Fluid (GM Part
No. U.S. 1052884, in Canada
993294, or equivalent).
Manual
Transmission
(5±Speed with
Low Gear,
RPO MW3)GM Goodwrench Synthetic Manual
Transmission Fluid (GM Part No.
U.S. 12346190, in Canada
10953477) or equivalent SAE
75W-85 GL-4 gear oil.
Manual
Transmission
(5±Speed
without Low
Gear, RPO
MG5)Synchromesh Transmission Fluid
(GM Part No. U.S. 12345349, in
Canada 10953465, or equivalent).
6-19

If NHTSA receives similar complaints, it may open an
investigation, and if it ®nds that a safety defect exists in
a group of vehicles, it may order a recall and remedy
campaign. However, NHTSA cannot become involved in
individual problems between you, your dealer or
General Motors.
To contact NHTSA, you may either call the Auto Safety
Hotline toll-free at 1-800-424-9393 (or 366-0123 in
the Washington, D.C. area) or write to:
NHTSA, U.S. Department of Transportation
Washington, D.C. 20590
You can also obtain other information about motor
vehicle safety from the hotline.
Reporting Safety Defects to the
Canadian Government
If you live in Canada, and you believe that your vehicle
has a safety defect, you should immediately notify
Transport Canada, in addition to notifying General
Motors of Canada Limited. You may write to:
Transport Canada
330 Sparks Street
Tower C
Ottawa, Ontario K1A 0N5
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 1-800-222-1020, or write:
Chevrolet Motor Division
Chevrolet Customer Assistance Center
P.O. Box 33170
Detroit, MI 48232-5170
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
7-9

A
Accessory Power Outlets.................................3-19
Adding a Snow Plow or Similar Equipment.........4-61
Adding Washer Fluid.......................................5-43
Additional Program Information........................... 7-8
Additives, Fuel................................................. 5-5
Add-On Electrical Equipment...........................5-109
Add-On Equipment..........................................4-60
Adjusting the Speakers
(Balance/Fade)..................3-74, 3-78, 3-88, 3-101
After Off-Road Driving.....................................4-37
Air Bag Systems.............................................1-64
Adding Equipment to Your Air Bag-Equipped
Vehicle...................................................1-80
Air Bag Off Switch.......................................1-71
How Does an Air Bag Restrain?....................1-69
Passenger Sensing System...........................1-76
Servicing Your Air Bag-Equipped Vehicle.........1-80
What Makes an Air Bag In¯ate?....................1-69
What Will You See After an Air Bag In¯ates?......1-70
When Should an Air Bag In¯ate?...................1-68
Where Are the Air Bags?..............................1-66
Air Bag .........................................................3-37
Off Light.....................................................3-37
Passenger Status Indicator...........................3-40
Readiness Light..........................................3-36
Air Cleaner/Filter, Engine.................................5-21
Air Conditioning..............................................3-30
All-Wheel Drive (AWD) System.........................2-44All-Wheel Drive...............................................5-54
AM-FM Radio.................................................3-72
AM .............................................................3-123
Antenna, Fixed Mast......................................3-125
Antenna, XMŸ Satellite Radio Antenna
System.....................................................3-125
Anti-Lock Brake, System Warning Light..............3-45
Anti-lock Brake System..................................... 4-6
Appearance Care..........................................5-100
Care of Safety Belts...................................5-103
Chemical Paint Spotting..............................5-106
Cleaning the Inside of Your Vehicle..............5-100
Cleaning the Outside of Your Vehicle............5-103
Finish Damage..........................................5-106
Sheet Metal Damage..................................5-105
Underbody Maintenance.............................5-106
Vehicle Care/Appearance Materials...............5-107
Weatherstrips............................................5-103
Approaching a Hill..........................................4-28
Ashtrays........................................................3-20
Audio Output................................................3-117
Audio System(s).............................................3-71
AM-FM Radio.............................................3-72
Audio Steering Wheel Controls....................3-122
Care of Your Cassette Tape Player...............3-123
Care of Your CD and DVD Player................3-124
Care of Your CDs and DVDs.......................3-124
Chime Level Adjustment.............................3-125
Fixed Mast Antenna...................................3-125
Radio with Cassette and CD.........................3-85
1

Flash-To-Pass Feature....................................... 3-9
Flat Tire, Changing.........................................5-80
Flat Tire........................................................5-79
Fluid.............................................................5-23
Automatic Transmission........................5-23, 5-26
Manual Transmission....................................5-28
Power Steering...........................................5-42
Windshield Washer......................................5-43
FM Stereo....................................................3-123
Fog Lamps....................................................3-16
Folding the Rear Seat....................................... 1-8
Following Distance..........................................4-86
Footnotes........................................................ 6-5
Four-Wheel Drive....................................2-33, 5-56
Four-Wheel-Drive Light....................................3-52
Front Axle Locking Feature...............................2-33
Front Axle......................................................5-57
Front Reading Lamps (If Equipped)...................3-18
Front Storage Area.........................................2-65
Fuel Information Button....................................3-57
FUEL LEVEL LOW.........................................3-66
Fuel............................................................... 5-4
Additives...................................................... 5-5
California Fuel.............................................. 5-5
Filling a Portable Fuel Container..................... 5-8
Filling Your Tank........................................... 5-6
Fuels in Foreign Countries.............................. 5-6Fuel (cont.)
Gage.........................................................3-53
Gasoline Octane........................................... 5-4
Gasoline Speci®cations.................................. 5-5
Low Warning Light.......................................3-54
System Inspection.......................................6-17
Fuses..........................................................5-110
Fuses and Circuit Breakers.........................5-110
Windshield Wiper.......................................5-109
G
Gage............................................................3-47
Engine Coolant Temperature.........................3-47
Fuel..........................................................3-53
Oil Pressure...............................................3-51
Speedometer..............................................3-35
Tachometer.................................................3-35
Transmission Temperature.............................3-47
Voltmeter Gage...........................................3-42
Gasoline......................................................... 5-4
Octane........................................................ 5-4
Speci®cations............................................... 5-5
Getting Familiar with Off-Road Driving................4-26
Glove Box.....................................................2-64
GM Mobility Program for Persons with
Disabilities.................................................... 7-5
7

H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-7
Headlamp High/Low Beam Changer.................... 3-9
Headlamps....................................................5-59
Bulb Replacement.......................................5-59
Front Turn Signal, Sidemarker and Daytime
Running Lamps........................................5-61
Halogen Bulbs............................................5-59
Pickup Box Identi®cation and Fender Marker
Lamps....................................................5-65
Roof Marker Lamps.....................................5-62
Headphones.................................................3-116
Heated Seats................................................... 1-5
Heating.........................................................3-30
Heavy-DutyTrailer Wiring Harness Package........4-90
Highway Hypnosis...........................................4-45
Hill and Mountain Roads..................................4-46
Hitches..........................................................4-85
Hood.............................................................. 5-8
Checking Things Under.................................. 5-8
Release....................................................... 5-9
Horn............................................................... 3-7
How to Add Coolant to the Coolant Surge Tank
Gasoline Engines........................................5-38
How to Add Fluid............................5-25, 5-28, 5-29
How to Check and Add Fluid............................5-30
How to Check Lubricant...................................5-55How to Check Power Steering Fluid..................5-43
How to Check........................5-23, 5-26, 5-28, 5-70
How to Inspect...............................................5-21
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-15
Hydraulic Clutch System Check........................6-14
Hydraulic Clutch.............................................5-29
Hydroplaning..................................................4-41
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.....................................3-50
If the Light Is On Steady.................................3-50
If You Are Stuck in Sand, Mud, Ice or Snow.......4-52
If You Do Decide To Pull A Trailer.....................4-68
If You're Caught in a Blizzard...........................4-50
Ignition Positions.............................................2-20
Ignition Transmission Lock Check......................6-15
Infants and Young Children, Restraints...............1-34
In¯ation -- Tire Pressure..................................5-69
Inspection......................................................6-18
Brake System.............................................6-18
Engine Cooling System................................6-17
Exhaust System..........................................6-17
Fuel System...............................................6-17
Part C - Periodic Maintenance.......................6-17
8

Inspection (cont.)
Steering and Suspension..............................6-17
Throttle System...........................................6-18
Transfer Case and Front Axle
(All-Wheel Drive)......................................6-18
Transfer Case and Front Axle (Four-Wheel
Drive).....................................................6-18
Instrument Panel Brightness Control..................3-18
Instrument Panel Fuse Block..........................5-110
Instrument Panel.............................................3-34
Cluster.......................................................3-34
Overview..................................................... 3-4
Interior Lamps................................................3-18
J
Jump Starting.................................................5-48
K
Key Lock Cylinders Service..............................6-14
Key Release Button (Manual Transmission)........2-21
KEYFOB X BATTERY LOW.............................3-67
Keyless Entry System....................................... 2-4
Keys............................................................... 2-3
L
Lamps On Reminder.......................................3-15
Lamps...........................................................3-14
Exterior......................................................3-14
Interior.......................................................3-18
Lap Belt........................................................1-25
Lap-Shoulder Belt...........................................1-16
LATCH System...............................................1-47
Child Restraints...........................................1-47
Securing a Child Restraint Designed for the
LATCH System........................................1-49
Latches, Seatback............................................ 1-7
Leaving Your Vehicle With
the Engine Running
(Automatic Transmission Only).......................2-48
LEFT REAR DOOR AJAR (Crew Cab)...............3-67
Light.............................................................3-37
Air Bag Off .................................................3-37
Air Bag Readiness.......................................3-36
Anti-Lock Brake System Warning...................3-45
Battery Warning..........................................3-42
Brake System Warning.................................3-44
Cruise Control.............................................3-52
Four-Wheel-Drive.........................................3-52
Low Fuel Warning.......................................3-54
9

Light (cont.)
Malfunction Indicator....................................3-49
Passenger Air Bag Status Indicator................3-40
Safety Belt Reminder...................................3-36
Tow/Haul Mode...........................................3-53
Traction Off................................................3-46
Up-Shift.....................................................3-43
Listening to a DVD................................3-97, 3-110
Loading Your Vehicle for Off-Road Driving..........4-24
Loading Your Vehicle.......................................4-58
Locking Rear Axle...........................................4-13
Lockout Protection..........................................2-12
Lock-Out Switch.............................................2-17
Locks............................................................. 2-9
Delayed Locking........................................... 2-9
Door........................................................... 2-7
Lockout Protection.......................................2-12
Power Door.................................................. 2-8
Programmable Automatic Door Locks.............2-10
Rear Door Security Locks.............................2-12
Loss of Control...............................................4-21
LOW COOLANT LEVEL..................................3-67
Low Fuel Warning Light...................................3-54
Lumbar........................................................... 1-4
Power Controls............................................. 1-4M
Maintenance, Normal Replacement Parts..........5-121
Maintenance Schedule.....................................6-12
At Each Fuel Fill.........................................6-12
At Least Once a Month................................6-12
At Least Once a Year..................................6-14
At Least Twice a Year..................................6-13
At the First 100, 1,000 and 6,000 Miles
(160, 1 600 and 10 000km).......................6-12
Brake System Inspection..............................6-18
Engine Cooling System Inspection.................6-17
Exhaust System Inspection...........................6-17
Fuel System Inspection................................6-17
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.............6-12
Part C - Periodic MaintenanceInspections......6-17
Part D - Recommended Fluids and Lubricants . . . 6-19
Part E - Maintenance Record........................6-22
Scheduled Maintenance................................. 6-5
Steering and Suspension Inspection...............6-17
Throttle System Inspection............................6-18
10

Oil ................................................................5-16
Engine.......................................................5-16
Pressure Gage............................................3-51
Older Children, Restraints................................1-31
Online Owner Center........................................ 7-3
OnStar
žPersonal Calling.................................2-63
OnStaržServices............................................2-63
OnStaržSteering Wheel Controls......................2-64
OnStaržSystem.............................................2-62
OnStaržVirtual Advisor....................................2-63
Operating Your All-Wheel-Drive Vehicle Off
Paved Roads..............................................4-22
Other Warning Devices...................................... 3-6
Outlet Adjustment...................................3-24, 3-32
Outside Power Camper-Type Mirror...................2-60
Outside.........................................................2-61
Automatic Dimming Mirror.............................2-61
Camper-Type Mirrors....................................2-59
Convex Mirror.............................................2-62
Curb View Assist Mirrors..............................2-61
Heated Mirrors............................................2-62
Manual Mirrors............................................2-59
Power Foldaway Mirrors...............................2-61
Power Mirrors.............................................2-60
West Coast-Type Mirrors..............................2-59
Overdrive Disable...........................................3-53
Overdrive Disable
(Allison Transmission
ž) .................................2-28
Overheated Engine Protection Operating Mode
(V8 Engines Only).......................................5-33Overseas ± Customer Assistance........................ 7-4
Owners, Canadian............................................... ii
Owner's Information........................................7-10
P
Park (P)........................................................2-46
Shifting Into................................................2-46
Shifting Out of............................................2-49
Parking Brake and Automatic Transmission
Park (P) Mechanism Check...........................6-16
Parking on Hills..............................................4-88
Parking Your Vehicle.......................................2-49
Parking.........................................................2-44
Brake........................................................2-44
Over Things That Burn.................................2-50
Part A - Scheduled Maintenance Services............ 6-4
Part B - Owner Checks and Services................6-12
Part C - Periodic MaintenanceInspections..........6-17
Part D - Recommended Fluids and Lubricants....6-19
Part E - Maintenance Record...........................6-22
Passenger Air Bag Indicator.....................2-56, 2-58
Passenger Air Bag Status Indicator...................3-40
PASSENGER DOOR AJAR..............................3-67
Passenger Sensing System..............................1-76
Passing.................................................4-19, 4-86
Passlock
ž......................................................2-19
Payload.........................................................4-60
Personalization Button.....................................3-58
12

Pickup Conversion to Chassis Cab....................4-67
Plan Ahead When Possible................................ 7-7
Playing a Cassette Tape..................................3-93
Playing a Compact Disc.................3-83, 3-95, 3-105
Playing a Speci®c Loaded
Compact Disc............................................3-107
Playing the Radio...................3-72, 3-76, 3-86, 3-99
Power Steering...............................................4-13
Power Winches..............................................4-94
Power...........................................................3-19
Accessory Outlets........................................3-19
Door Locks.................................................. 2-8
Electrical System.......................................5-109
Lumbar Controls........................................... 1-4
Seat............................................................ 1-4
Steering Fluid.............................................5-42
Windows....................................................2-16
Programmable Automatic Door Locks.................2-10
Q
QUADRASTEERŸ..........................................4-15
Questions and Answers About Safety Belts.........1-14
R
Radio Data System (RDS)...............3-75, 3-85, 3-98
Radio Messages.............................3-74, 3-80, 3-90
Radios..........................................................3-71AM-FM Radio.............................................3-72
Care of Your Cassette Tape Player...............3-123
Care of Your CD and DVD Player................3-124
Care of Your CDs and DVDs.......................3-124
Radio with Cassette and CD.........................3-85
Radio with CD............................................3-75
Radio with Six-Disc CD................................3-98
Rear Seat Audio........................................3-120
Setting the Time for Radios with Radio Data
Systems (RDS)........................................3-72
Setting the Time for Radios without Radio
Data Systems (RDS)................................3-72
Theft-Deterrent..........................................3-121
Understanding Reception............................3-123
RANGE SHIFT INHIBITED (Allison
Transmission
žOnly).....................................3-67
RDS Messages.............................3-79, 3-89, 3-102
Rear Axle......................................................5-55
Locking......................................................4-13
Rear Door Security Locks................................2-12
Rear Doors....................................................2-13
Rear Safety Belt Comfort Guides......................1-29
Rear Seat Audio Controls...............................3-120
Rear Seat Audio (RSA)..................................3-120
Rear Seat Entertainment System.....................3-111
Rear Seat Operation...................................1-8, 1-9
Rear Seat Outside Passenger Positions
(Extended Cab and Crew Cab)......................1-26
Rear Seat Passengers, Safety Belts..................1-26
13

Six-Speed (VORTECŸ 8100 V8 and
DURAMAXŸ 6600 V8 Engines)...................2-31
Skidding........................................................4-21
Snow Plow....................................................4-61
Some Other Rainy Weather Tips.......................4-42
Spare Tire Check............................................6-13
Special Fabric Cleaning Problems....................5-101
Speci®cations, Capacities...............................5-118
Speedometer..................................................3-35
Stalling on an Incline.......................................4-35
Starter Switch Check.......................................6-14
Starting Your Engine.......................................2-22
Starting Your V8 Engine..................................2-23
Steering and Suspension Inspection..................6-17
Steering in Emergencies..................................4-14
Steering Tips..................................................4-13
Steering Wheel Controls, Audio.......................3-122
Steering........................................................4-13
Step-Bumper Pad...........................................4-97
Stereo RCA Jacks.........................................3-117
Storage Areas................................................2-64
Center Console Storage Area........................2-65
Cupholder(s)...............................................2-64
Front Storage Area......................................2-65
Glove Box..................................................2-64
Storing a Flat or Spare Tire, Jack
and Tools...................................................5-93Stuck in Sand, Mud, Ice or Snow......................4-52
Sun Visors.....................................................2-17
Supplemental Brake Assist System...................... 4-9
Swing-Out Windows........................................2-17
T
Tachometer....................................................3-35
Tailgate Removal............................................2-14
Tailgate.........................................................2-13
Taillamps (Chassis Cab Models)........................5-67
Taillamps.......................................................5-65
Temperature and Compass Display....................2-54
Temperature Display........................................2-56
Testing the Alarm............................................2-19
Theft-Deterrent, Radio....................................3-121
Theft-Deterrent Systems...................................2-18
Content Theft-Deterrent................................2-18
Passlock
ž...................................................2-19
Throttle System Inspection...............................6-18
TIGHTEN FUEL CAP......................................3-70
Tilt Wheel........................................................ 3-7
Tire In¯ation Check.........................................6-12
Tires.............................................................5-69
Buying New Tires........................................5-74
Chains.......................................................5-78
16