2003 CHEVROLET S10 brake fluid

Every 100,000 Miles (166 000 km):Spark Plug Wire
Inspection. Spark Plug Replacement. 4.3L V6 Engine
Only: Positive Crankcase Ventilation (PCV) Valve
Inspection.
Every 150,000 Miles (240 000 km):Cooling System
Service (or every 60 months, whichever occurs
®rst). Engine Accessory Drive Belt Inspection.
These intervals only summarize maintenance services.
Be sure to follow the complete scheduled maintenance
on the following pages.
Short Trip/City Scheduled
Maintenance
The services shown in this schedule up to 100,000 miles
(166 000 km) should be repeated after 100,000 miles
(166 000 km) at the same intervals for the life of
this vehicle. The services shown at 150,000 miles
(240 000 km) should be repeated at the same interval
after 150,000 miles (240 000 km) for the life of this
vehicle.
See
Part B: Owner Checks and Services on page 6-26andPart C: Periodic MaintenanceInspections on
page 6-31.
Footnotes
²The U.S. Environmental Protection Agency or the
California Air Resources Board has determined that the
failure to perform this maintenance item will not nullify
the emission warranty or limit recall liability prior to
the completion of the vehicle's useful life. We, however,
urge that all recommended maintenance services be
performed at the indicated intervals and the
maintenance be recorded.
#Lubricate the front suspension, ball joints, steering
linkage, parking brake cable guides, propshaft splines,
universal joints, constant velocity joint and brake
pedal springs.
+A good time to check your brakes is during tire
rotation. See Brake System Inspection on page 6-32.
**
Drive axle service. See Part D: Recommended Fluids
and Lubricants on page 6-33for proper lubricant to use:
·Check ¯uid level and add ¯uid as needed. If driving in
dusty areas or when towing a trailer, drain ¯uid and
re®ll every 15,000 miles (25 000 km).
·If your vehicle has a locking differential, drain ¯uid
and re®ll at ®rst engine oil change.
·More frequent lubrication may be required for
heavy-duty or off-road use.
6-7

Footnotes
²The U.S. Environmental Protection Agency or the
California Air Resources Board has determined that the
failure to perform this maintenance item will not nullify
the emission warranty or limit recall liability prior to
the completion of the vehicle's useful life. We, however,
urge that all recommended maintenance services be
performed at the indicated intervals and the
maintenance be recorded.
#Lubricate the front suspension, ball joints, steering
linkage, parking brake cable guides, propshaft splines,
universal joints, constant velocity joint and brake
pedal springs.
+A good time to check your brakes is during tire
rotation. See Brake System Inspection on page 6-32.
**
Drive axle service. See Part D: Recommended Fluids
and Lubricants on page 6-33for proper lubricant
to use:
q
Check ¯uid level and add ¯uid as needed.
qIf your vehicle has a locking differential, drain ¯uid
and re®ll at ®rst engine oil change.
7,500 Miles (12 500 km)
qChange engine oil and ®lter (or every 12 months,
whichever occurs ®rst).An Emission Control
Service.
qLubricate chassis components (or every 12 months,
whichever occurs ®rst).(See footnote #.)
qCheck rear/front axle ¯uid level and add ¯uid as
needed. Check constant velocity joints and axle seals
for leaking.
(See footnote **.)
qRotate tires. SeeTire Inspection and Rotation on
page 5-64for proper rotation pattern and additional
information.(See footnote +.)
15,000 Miles (25 000 km)
qChange engine oil and ®lter (or every 12 months,
whichever occurs ®rst).An Emission Control
Service.
qLubricate chassis components (or every 12 months,
whichever occurs ®rst).(See footnote #.)
qInspect engine air cleaner ®lter. SeeEngine Air
Cleaner/Filter on page 5-19for more information.An
Emission Control Service. (See footnote ².)
qCheck rear/front axle ¯uid level and add ¯uid as
needed. Check constant velocity joints and axle seals
for leaking.
(See footnote **.)
6-19

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 5-15.
Engine Coolant50/50 mixture of clean, drinkable
water and use only DEX-COOL
ž
Coolant. SeeEngine Coolant on
page 5-27.
Hydraulic Brake
SystemDelco Supreme 11žBrake Fluid or
equivalent DOT-3 brake ¯uid.
Windshield
Washer SolventGM Optikleen
žWasher Solvent or
equivalent.
Hydraulic
Clutch SystemHydraulic Clutch Fluid (GM Part
No. U.S. 12345347, in Canada
10953517, or equivalent DOT-3
brake ¯uid).
Power Steering
SystemGM Power Steering Fluid (GM Part
No. U.S. 1052884, in Canada
993294, or equivalent).
Usage Fluid/Lubricant
Manual
Transmission
with V6 EngineSynchromesh Transmission Fluid
(GM Part No. U.S. 12345349, in
Canada 10953465, or equivalent).
Manual
Transmission
with L4 EngineFriction Modi®ed Synchromesh
Transmission Fluid (GM Part
No. U.S. 12377916, in Canada
10953509).
Automatic
TransmissionDEXRON
ž-III Automatic
Transmission Fluid.
Key Lock
CylindersMulti-Purpose Lubricant, Superlube
ž
(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 Wheel
BearingsWheel bearing lubricant meeting
requirements of NLGI #2, Category
GC or GC-LB (GM Part No. U.S.
1051344, in Canada 993037, or
equivalent).
Front and Rear
Axle (Standard
Differential)SAE 80W-90 Axle Lubricant (GM
Part No. U.S. 1052271, in Canada
10950849, or equivalent).
Rear Axle
(Locking
Differential)Axle Lubricant; use only GM Part
No. U.S. 1052271, in Canada
10950849.
Do not add friction
modi®er.
6-33

A
Accessory Power Outlets.................................3-17
Adding Equipment to Your Air Bag-Equipped
Vehicle.......................................................1-65
Adding Washer Fluid.......................................5-40
Additional Program Information........................... 7-9
Additives, Fuel................................................. 5-6
Add-On Electrical Equipment............................5-93
Add-On Equipment..........................................4-50
Adjusting the Speakers
(Balance/Fade)....................3-43, 3-47, 3-55, 3-65
After Off-Road Driving.....................................4-28
Air Bag System..............................................1-55
Adding Equipment to Your Air Bag-Equipped
Vehicle...................................................1-65
Air Bag Off Switch.......................................1-61
How Does an Air Bag Restrain?....................1-59
Servicing Your Air Bag-Equipped Vehicle.........1-64
What Makes an Air Bag In¯ate?....................1-59
What Will You See After an Air Bag In¯ates? . . 1-60
When Should an Air Bag In¯ate?...................1-59
Where Are the Air Bags?..............................1-57
Air Bag .........................................................3-28
Off Light.....................................................3-28
Readiness Light..........................................3-27
Air Cleaner/Filter, Engine.................................5-19
AM-FM Radio.................................................3-41
AM ...............................................................3-74
Antenna, Fixed Mast.......................................3-76Anti-Lock Brake, System Warning Light..............3-32
Anti-lock Brake System..................................... 4-7
Appearance Care............................................5-83
Care of Safety Belts....................................5-86
Chemical Paint Spotting...............................5-90
Cleaning the Inside of Your Vehicle................5-84
Cleaning the Outside of Your Vehicle..............5-87
Finish Damage............................................5-89
Sheet Metal Damage...................................5-89
Underbody Maintenance...............................5-90
Vehicle Care/Appearance Materials................5-90
Weatherstrips..............................................5-87
Approaching a Hill..........................................4-19
Ashtrays........................................................3-18
Assist Handles...............................................2-49
Audio System(s).............................................3-40
AM-FM Radio.............................................3-41
Care of Your Cassette Tape Player................3-75
Care of Your CD Player...............................3-76
Care of Your CDs........................................3-76
Fixed Mast Antenna.....................................3-76
Radio with Cassette and CD.........................3-52
Radio with CD............................................3-44
Radio with Six-Disc CD................................3-62
Setting the Time for Radios with Radio Data
Systems (RDS)........................................3-41
Setting the Time for Radios without Radio
Data Systems (RDS)................................3-40
Theft-Deterrent Feature................................3-74
Understanding Radio Reception.....................3-74
1

Audio System(s) (cont.)
Automatic Headlamp System............................3-12
Automatic Transmission Check..........................6-28
Automatic Transmission Shift Lock Control
System Check.............................................6-29
Automatic Transmission...................................2-22
Fluid..........................................................5-22
Operation...................................................2-25
B
Backing Up....................................................4-61
Battery Replacement......................................... 2-7
Battery Rundown Protection.............................3-17
Battery..........................................................5-45
Bed Rails......................................................2-50
Before Leaving on a Long Trip.........................4-35
Before You Go Off-Roading..............................4-15
Body Lubrication Service..................................6-28
Brake Adjustment............................................5-45
Brake Fluid....................................................5-41
Brake Pedal Travel.........................................5-44
Brake Wear...................................................5-44
Brake............................................................2-32
Parking......................................................2-32
System Inspection.......................................6-32
System Warning Light..................................3-31
Brakes..........................................................5-41
Braking in Emergencies..................................... 4-9Braking........................................................... 4-6
Break-In, New Vehicle.....................................2-19
Bulb Replacement...........................................5-54
Center High-Mounted Stoplamp (CHMSL)........5-58
Halogen Bulbs............................................5-54
Headlamps.................................................5-54
One-Piece Front Turn Signal Lamps...............5-56
Replacement Bulbs......................................5-59
Taillamps....................................................5-59
Two-Piece Front Turn Signal Lamps...............5-57
Buying New Tires...........................................5-66
C
California Fuel.................................................. 5-5
Canada ± Customer Assistance.......................... 7-4
Canadian Owners................................................ ii
Canadian Roadside Assistance........................... 7-7
Capacities and Speci®cations............................5-99
Carbon Monoxide...................4-38, 4-54, 2-13, 2-37
Care of.........................................................5-86
Safety Belts................................................5-86
Your Cassette Tape Player............................3-75
Your CD Player...........................................3-76
Your CDs ...................................................3-76
Cassette Tape Messages.................................3-60
Cassette Tape Player Service...........................6-26
Center High-Mounted Stoplamp (CHMSL)...........5-58
Center Passenger Position, Safety Belts.............1-23
2

Chains, Tires..................................................5-70
Charging System Light....................................3-29
Checking Brake Fluid......................................5-43
Checking Coolant............................................5-28
Checking Engine Oil........................................5-15
Checking the Fluid Level..................................5-23
Checking Things Under the Hood......................5-10
Checking Your Restraint Systems......................1-65
Check...........................................................3-33
Engine Light...............................................3-33
Gages Warning Light...................................3-38
Chemical Paint Spotting...................................5-90
Child Restraints..............................................1-36
Child Restraint Systems...............................1-36
Infants and Young Children...........................1-32
Lower Anchorages and Top Tethers for
Children (LATCH System)..........................1-44
Older Children.............................................1-30
Securing a Child Restraint Designed for the
LATCH System........................................1-46
Securing a Child Restraint in a Center Seat
Position..................................................1-49
Securing a Child Restraint in a Rear Outside
Seat Position...........................................1-46
Securing a Child Restraint in the Right Front
Seat Position...........................................1-49
Top Strap Anchor Location............................1-43
Top Strap...................................................1-41
Where to Put the Restraint...................1-39, 1-40
Cigarette Lighter.............................................3-18Cleaning Aluminum Wheels..............................5-89
Cleaning Exterior Lamps/Lenses.......................5-87
Cleaning Fabric/Carpet....................................5-84
Cleaning Glass Surfaces..................................5-86
Cleaning Interior Plastic Components.................5-86
Cleaning Leather............................................5-85
Cleaning the Mirror.........................................2-39
Cleaning the Photocells...................................2-39
Cleaning the Top of the Instrument Panel...........5-86
Cleaning the Windshield and Wiper Blades.........5-88
Cleaning Tires................................................5-89
Cleaning Vinyl................................................5-85
Cleaning Wood Panels....................................5-86
Cleaning........................................................5-84
Inside of Your Vehicle..................................5-84
Outside of Your Vehicle................................5-87
Underbody Maintenance...............................5-90
Weatherstrips..............................................5-87
Climate Control System...................................3-18
Outlet Adjustment........................................3-21
Clutch, Hydraulic.............................................5-26
Compact Disc Messages.................3-52, 3-62, 3-73
Compact Spare Tire........................................5-83
Content Theft-Deferrent....................................2-17
Control of a Vehicle.......................................... 4-6
Coolant.........................................................3-32
Engine Temperature Gage............................3-32
Heater, Engine............................................2-24
Cooling System..............................................5-32
Cooling.........................................................3-19
3

Hood (cont.)
Release.....................................................5-10
Horn............................................................... 3-5
How to Add Coolant to the Coolant
Recovery Tank............................................5-34
How to Add Coolant to the Radiator..................5-36
How to Add Fluid....................................5-24, 5-26
How to Check and Add Fluid............................5-27
How to Check Lubricant..........................5-51, 5-53
How to Check Power Steering Fluid..................5-40
How to Check................................5-22, 5-25, 5-63
How to Inspect the Engine Air Cleaner/Filter.......5-21
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-16
Hydraulic Clutch System Check........................6-28
Hydraulic Clutch.............................................5-26
Hydroplaning..................................................4-32
I
If No Steam Is Coming From Your Engine..........5-31
If Steam Is Coming From Your Engine...............5-30
If the Light Is Flashing.....................................3-34
If the Light Is On Steady.................................3-34
If You Are Stuck in Sand, Mud, Ice or Snow.......4-42
If You Do Decide To Pull A Trailer.....................4-55
If You're Caught in a Blizzard...........................4-40Ignition Positions.............................................2-20
Ignition Transmission Lock Check......................6-30
Infants and Young Children, Restraints...............1-32
In¯ation -- Tire Pressure..................................5-63
Inspection......................................................6-32
Brake System.............................................6-32
Engine Cooling System................................6-32
Exhaust System..........................................6-31
Fuel System...............................................6-32
Part C - Periodic Maintenance.......................6-31
Steering, Suspension and Front Drive Axle
Boot and Seal.........................................6-31
Throttle System...........................................6-32
Transfer Case and Front Axle (Four-Wheel
Drive).....................................................6-32
Installing a Garage Door Opener.......................2-42
Instrument Panel Brightness.............................3-15
Instrument Panel Fuse Block............................5-94
Instrument Panel.............................................3-23
Cluster.......................................................3-23
Overview..................................................... 3-2
Interior Lamps................................................3-15
J
Jump Seat.....................................................1-10
Jump Starting.................................................5-46
7

M
Maintenance, Normal Replacement Parts..........5-101
Maintenance Schedule.....................................6-26
At Each Fuel Fill.........................................6-26
At Least Four Times a Year..........................6-28
At Least Once a Month................................6-26
At Least Once a Year..................................6-28
At Least Twice a Year..................................6-27
Brake System Inspection..............................6-32
Engine Cooling System Inspection.................6-32
Exhaust System Inspection...........................6-31
Fuel System Inspection................................6-32
How This Section is Organized....................... 6-3
Introduction.................................................. 6-2
Long Trip/Highway Scheduled Maintenance.....6-18
Maintenance Requirements............................. 6-2
Part A - Scheduled Maintenance Services......... 6-4
Part B - Owner Checks and Services.............6-26
Part C - Periodic MaintenanceInspections......6-31
Part D - Recommended Fluids and Lubricants . . . 6-33
Part E - Maintenance Record........................6-35
Selecting the Right Schedule.......................... 6-5
Short Trip/City Scheduled Maintenance............. 6-7
Steering, Suspension and Front Drive Axle
Boot and Seal Inspection..........................6-31
Throttle System Inspection............................6-32
Transfer Case and Front Axle (Four-Wheel
Drive) Inspection......................................6-32Maintenance Schedule (cont.)
Using Your................................................... 6-4
Your Vehicle and the Environment................... 6-2
Maintenance When Trailer Towing.....................4-63
Making Turns.................................................4-61
Malfunction Indicator Light................................3-33
Manual Lumbar Controls.................................... 1-4
Manual Seats................................................... 1-3
Manual Transmission Check.............................6-27
Manual Transmission.......................................2-22
Fluid..........................................................5-25
Operation...................................................2-28
Manual Windows............................................2-14
Manually Closing the Sunroof...........................2-52
Matching Transmitter(s) to Your Vehicle............... 2-6
Memory Seat.................................................2-53
Mexico, Central America and Caribbean Islands/
Countries (Except Puerto Rico and U.S. Virgin
Islands) ± Customer Assistance....................... 7-5
Mirrors..........................................................2-39
Automatic Dimming Rearview........................2-39
Manual Rearview Mirror................................2-39
Outside Convex Mirror.................................2-40
Outside Heated Mirrors................................2-41
Outside Manual Mirror..................................2-40
Outside Power Mirrors..................................2-40
Model Reference................................................ vi
MyGMLink.com................................................ 7-3
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