5-16 CHEVROLET SILVERADO 2003 1.G User Guide
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Page 514 of 556

Part B: Owner Checks and Services
Listed in this part are owner checks and services
which should be performed at the intervals speci®ed to
help ensure the safety, dependability and emission
control performance of your vehicle.
Be sure any necessary repairs are completed at once.
Whenever any ¯uids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown
in Part D.
At the First 100, 1,000 and 6,000
Miles (160, 1 600 and 10 000km)
Check dual wheel nut torque. For proper torque, seeCapacities and Speci®cations on page 5-118.
At Each Fuel Fill
It is important for you or a service station attendant to
perform these underhood checks at each fuel ®ll.
Engine Oil Level Check
Check the engine oil level and add the proper oil if
necessary. SeeEngine Oil on page 5-16for further
details.
Engine Coolant Level Check
Check the engine coolant level and add DEX-COOLž
coolant mixture if necessary. SeeEngine Coolant
on page 5-30for further details.
Windshield Washer Fluid Level Check
Check the windshield washer ¯uid level in the windshield
washer tank and add the proper ¯uid if necessary.
See
Windshield Washer Fluid on page 5-43for further
details.
At Least Once a Month
Tire In¯ation Check
Visually inspect your tires and make sure tires are
in¯ated to the correct pressures. Don't forget to check
your spare tire. See
Tires on page 5-69for 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 3-71for further details.
6-12
Page 521 of 556

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
Page 539 of 556

Bulb Replacement (cont.)
Taillamps....................................................5-65
Buying New Tires...........................................5-74
C
California Fuel.................................................. 5-5
Canada ± Customer Assistance.......................... 7-4
Canadian Owners................................................ ii
Canadian Roadside Assistance........................... 7-6
Capacities and Speci®cations..........................5-118
Car Washes for QUADRASTEERŸ Equipped
Vehicles.....................................................4-18
Carbon Monoxide...................4-48, 4-68, 2-13, 2-51
Care of........................................................5-103
Safety Belts..............................................5-103
Your Cassette Tape Player..........................3-123
Your CD and DVD Player...........................3-124
Your CDs and DVDs..................................3-124
CARGO LAMP ON.........................................3-65
Cargo Lamp...................................................3-17
Cassette Tape Messages.................................3-94
Cassette Tape Player Service...........................6-12
CD Adapter Kits.............................................3-95
Center Console Storage Area...........................2-65
Center High-Mounted Stoplamp (CHMSL) and
Cargo Lamp...............................................5-63
Center Instrument Panel Fuse Block................5-112
Center Passenger Position, Safety Belts.............1-24Chains, Tires..................................................5-78
CHANGE ENGINE OIL....................................3-66
Check Engine Light.........................................3-49
CHECK OIL LEVEL.........................................3-66
CHECK WASHER FLUID.................................3-66
Checking Brake Fluid......................................5-45
Checking Coolant............................................5-32
Checking Engine Oil........................................5-16
Checking Things Under the Hood....................... 5-8
Checking Your Restraint Systems......................1-81
Check...........................................................3-49
Engine Light...............................................3-49
Chemical Paint Spotting.................................5-106
Child Restraints..............................................1-38
Child Restraint Systems...............................1-38
Infants and Young Children...........................1-34
Lower Anchorages and Top Tethers for
Children (LATCH System)..........................1-47
Older Children.............................................1-31
Securing a Child Restraint Designed for the
LATCH System........................................1-49
Securing a Child Restraint in a Center Rear
Seat Position...........................................1-52
Securing a Child Restraint in a Rear Outside
Seat Position...........................................1-50
Securing a Child Restraint in the Center Front
Seat Position...........................................1-55
Securing a Child Restraint in the Right Front
Seat Position...................................1-55, 1-58
Top Strap Anchor Location............................1-44
3
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Electrical System (cont.)
Power Windows and Other Power Options....5-109
Windshield Wiper Fuses.............................5-109
Electrochromic Mirror Operation................2-54, 2-57
Electronic Transfer Case..................................2-41
Emissions Inspection and Maintenance
Programs...................................................3-51
ENGINE COOLANT HOT.................................3-66
Engine Coolant Level Check.............................6-12
Engine Hour Meter Display...............................3-35
Engine Oil Additives........................................5-19
Engine Oil and Chassis Lubrication Scheduled
Maintenance................................................. 6-5
Engine Oil Level Check...................................6-12
ENGINE OVERHEATED..................................3-66
Engine..........................................................5-21
Air Cleaner/Filter.........................................5-21
Battery.......................................................5-47
Check and Service Engine Soon Light............3-49
Compartment Overview................................5-10
Coolant Heater............................................2-24
Coolant Temperature Gage...........................3-47
Coolant......................................................5-30
Cooling System Inspection............................6-17
Exhaust.....................................................2-51
Fan Noise..................................................5-41
Oil .............................................................5-16
Overheating................................................5-33Engine (cont.)
Starting......................................................2-22
Entertainment System....................................3-125
Cleaning the Video Screen..........................3-125
DVD Distortion..........................................3-122
Entry Lighting.................................................3-18
Environmental Concerns..................................4-25
Exit Lighting...................................................3-18
Express Down Windows..................................2-16
Extended Cab and Crew Cab...........................1-50
Extended Cab................................................1-53
Extender, Safety Belt.......................................1-31
Exterior Lamps...............................................3-14
F
Filter.............................................................5-21
Engine Air Cleaner......................................5-21
Finding a PTY Station
(RDS and XMŸ).......................3-78, 3-88, 3-101
Finding a Station....................3-73, 3-76, 3-86, 3-99
Finish Care..................................................5-104
Finish Damage.............................................5-106
Five-Speed (VORTECŸ 4300 V6 and
4800 V8 Engines)........................................2-30
Five-Speed (VORTECŸ 6000 V8 Engine)...........2-29
Fixed Mast Antenna.......................................3-125
6
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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