check engine CHEVROLET ASTRO 2003 Repair Manual

Daytime Running Lamps (DRL) ...................... 3-14
Defensive Driving
............................................. 4-2
Defogging and Defrosting
................................. 3-1 9
Directing the Airflow
........................................ 3-20
Disabling the Theft-Deterrent Feature
................. 3-49
Doing Your Own Service Work
........................... 5-3
Dome Lamps
.......................................... ~ ~~~ 3-16
Door Front Doors
............................................... 2-8
Locks
.......................................................... 2-7
Power Door Locks
......................................... 2-8
Programmable Automatic Door Locks
............... 2-9
Rear Doors
................................................. 2-13
Sliding Side Door
........................................ 2-10
Position, Safety Belt
..................................... 1-1 8
Driver Information System
................................ 2-42
At Night
..................................................... 4-14
City
........................................................... 4-19
Defensive
..................................................... 4-2
Drunken
....................................................... 4-3
Freeway
..................................................... 4-20
Hill and Mountain Roads
.............................. 4-22
In Rain and on Wet Roads ........................... 4-16
Winter
........................................................ 4-24
Driving On Grades
.......................................... 4-39
Driving on Snow or Ice
.................................... 4-24
Driver
Driving Driving
Through Deep Standing Water
............... 4-18
Driving Through Flowing Water
......................... 4-18
Driving with a Trailer
....................................... 4-37
E
Electrical System
Add-on Equipment
...................................... 5-92
Headlamp Wiring
......................................... 5-92
Fuses and
Circuit Breakers
........................... 5-93
Power Windows and Other Power Options
......... 5-92
Windshield Wiper Fuses
............................... 5-92
Emissions Inspection and
Engine Maintenance Programs
................................. 3-33
Air Cleaner/Filter
......................................... 5-24
Battery
....................................................... 5-46
Check and Service Engine Soon Light
............ 3-30
Coolant
...................................................... 5-28
Coolant Heater
............................................ 2-22
Coolant Temperature Gage
........................... 3-30
Cooling System Inspection
............................ 6-30
Cover
........................................................ 5-20
Engine Compartment Overview
...................... 5-14
Exhaust
..................................................... 2-30
Fan Noise
.................................................. 5-39
Oil
............................................................. 5-15
Starting
...................................................... 2-21
Overheating
................................................ 5-31
4

Engine Coolant Level Check ............................. 6-26
Engine Oil Additives
........................................ 5-18
Entry Lighting
................................................. 3-15
Erasing HomeLink@ Buttons
.............................. 2-37
Except Cargo Vans
................................. 1-38, 1-47
Express-Down Window
.................................... 2-1 7
Extender, Safety Belt
....................................... 1-34
Exterior Lamps
............................................... 3-12
Engine
Oil Level Check
................................... 6-26
Exit Lighting
................................................... 3-15
F
FabricKarpet ................................................. 5-83
Filter Engine Air Cleaner
...................................... 5-24
Finding a Station
.................................... 3-39, 3-41
Finish Care
.................................................... 5-87
Finish Damage
............................................... 5-88
Fixed Mast Antenna
........................................ 3-50
Flash-to-Pass
................. ........................... 3-7
Flat Tire
........................................................ 5-70
Fluid Flat Tire, Changing
......................................... 5-71
Automatic Transmission
................................ 5-25
Power Steering
........................................... 5-40
Windshield Washer
...................................... 5-41
FM
............................................................... 3-50
Following Distance
.......................................... 4-38 Footnotes
..... ................................ 6.7.
6-18
Front Axle
........ ................................... 5-54
Front Doors
..................................................... 2-8
Fuel
............................................................... 5-5
Additives ...................................................... 5-6
California Fuel
.............................................. 5-6
Filling a Portable Fuel Container
.................... 5-10
Filling Your Tank
........................................... 5-8
Fuels in Foreign Countries
.............................. 5-7
Gage
......................................................... 3-36
Gasoline Octane
........................................... 5-5
Gasoline Specifications .................................. 5-5
System Inspection
....................................... 6-30
Fuel Regulator
................................................ 2-21
Fuses Low Warning
Light
....................................... 3-37
Fuses and Circuit Breakers
........................... 5-93
Windshield Wiper
......................................... 5-92
G
Gage
Check Gages Warning Light
.......................... 3-36
Engine Coolant Temperature
......................... 3-30
Fuel
.......................................................... 3-36
Oil Pressure
............................................... 3-34
Speedometer
.............................................. 3-25
Voltmeter Gage
........................................... 3-28
Garage Door Opener
....................................... 2-34
5

Gasoline Octane
........................................................ 5-5
Specifications
............................................... 5-5
Gate Operator and Canadian Programming
........ 2-36
Glass Surfaces
............................................... 5-85
GM Mobility Program for Persons with
Disabilities
.................................................... 7-5
Hatch R
H
e I' ease ......................... ........ 2-15
Hazard Warning Flashers
............................... 3-4
Head Restraints
............................................... 1-5
Headlamp High/Low-Beam Changer
.................... 3-7
Headlamp Wiring
............................................ 5-92
Headlamps
.................................................... 5-55
Bulb Replacement
.................................... 5-55
Front Turn Signal Lamps
.................. ..... 5-59
Halogen Bulbs
............................ ........ 5-55
Highway Hypnosis
........................................... 4-22
Hill and Mountain Roads
.................................. 4-22
Hitches
.......................................................... 4-36
HomeLink Transmitter, Programming
.................. 2-35
HomeLink@ Transmitter
.................................... 2-34
Hood Checking Things Under
................................ 5-1 1
Release
..................................................... 5-1 1
Horn
............................................................... 3-5 How
to Add Coolant to the Coolant
How to Add Coolant to the Radiator
.................. 5-37
How to Add Fluid
............................................ 5-27
How to Check
........................................ 5-25, 5-64
How to Check Lubricant
................................... 5-53
How to Check Power Steering Fluid
.................. 5-40
How to Use This Manual
...................................... ii
Recovery Tank ........................................ 5-34
How to Wear Safety Belts Properly
................... 1-18
Hydroplaning
.................................................. 4-18
I
If No Steam Is Coming From
Your Engine
............................................ 5-32
If Steam Is Coming From Your Engine ........... 5-31
If the Light
Is Flashing ..................................... 3-32
If the Light
Is On Steady ................................. 3-32
If You Are Stuck in Sand, Mud, Ice or Snow
....... 4-28
If You Do Decide
To Pull A Trailer ..................... 4-32
If You're Caught in a Blizzard ........................... 4-26
Ignition Transmission Lock Check
...................... 6-29
Infants and Young Children, Restraints
............... 1-38
Inflation
- Tire Pressure ................................... 5-64
Inspection Brake System
............................................. 6-31
Engine Cooling System
................................ 6-30
Ignition Positions
............................................. 2-19
6

Inspection (cont.) Exhaust System
........................ ....... 6-30
Fuel System
............................................... 6-30
Part C
- Periodic Maintenance ....................... 6-30
Steering, Suspension and Front Drive Axle
Boot and Seal
......................................... 6-30
Throttle System
........................................... 6-31
Installing a Garage Door Opener
....................... 2-40
Instrument Panel Cluster
....................................................... 3-24
Overview
.................................................. 3-2
Instrument Panel Brightness Control
.............. 3-1 5
Instrument Panel Fuse Block ............................ 5-93
Interior Lamps
................................................ 3-15
Interior Plastic Components
.............................. 5-85
Introduction Transfer Case (All-Wheel Drive) Inspection
........ 6-31
Jump Starting
....................................... ... 5-47
Key Lock Cylinders Service
.............................. 6-27
Keys
............................................................... 2-2
Keyless Entry System
....................................... 2-4
L
Lamps
Exterior
...................................................... 3-12
Interior
....................................................... 3-15
Lap Belt
........................................................ 1-27
Lap-Shoulder Belt
................................... 1-18, 1-29
LATCH System
Child Restraints
........................................... 1-52
Securing a Child Restraint Designed for
the LATCH System
........................... . 1-54
Latches, Seatback
............................................ 1-6
Leather
......................................................... 5-85
Leaving Your Vehicle
....................................... 2-10
Leaving Your Vehicle With the
Engine Running
.......................................... 2-28
Light
Air Bag Readiness
....................................... 3-26
Brake System Warning
................................. 3-28
Charging System
......................................... 3-27
Check Gages Warning
................................. 3-36
Low Fuel Warning
....................................... 3-37
Malfunction Indicator
.................................... 3-30
Safety Belt Reminder
................................... 3-26
Security
.............................................. 3-35
Service All-Wheel-Drive
......................... 3-35
Tow/Haul Mode
........................................... 3-36
Lamps On Reminder
....................................... 3-14
Anti-Lock Brake System Warning
................... 3-29
7

Loading Your Vehicle ....................................... 4-29
Locks Door
........................................................... 2-7
Front Doors
.................................................. 2-8
Leaving Your Vehicle
.................................... 2-10
Power Door
.................................................. 2-8
Programmable Automatic Door Locks
............... 2-9
Long Trip/Highway Definition
.............................. 6-6
Long Trip/Highway Intervals
............................... 6-6
Long Trip/Highway Scheduled Maintenance
........ 6-1 8
Loss
of Control ............................................... 4-1 3
Low Fuel Warning Light
................................... 3-37
Lumbar
Luggage
Carrier
.............................................. 2-44
Manual Controls
............................................ 1-3
M
Maintenance. Normal Replacement Parts .......... 5-1 01
Maintenance Schedule At Each Fuel Fill
......................................... 6-26
At Least Once a Month
................................ 6-26
At Least Once a Year
.................................. 6-27
At Least Twice a Year
.................................. 6-26
Brake System Inspection
.............................. 6-31
Engine Cooling System Inspection
................. 6-30
Fuel System Inspection
................................ 6-30
How This Section is Organized
....................... 6-3
Exhaust System
Inspection
........................... 6-30 Maintenance Schedule (cont.)
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 Maintenance Inspections ...... 6-30
Part D
- Recommended Fluids and
Lubricants
............................................... 6-32
Part E
. Maintenance Record ........................ 6-34
Selecting the Right Schedule
.......................... 6-5
Short Trip/City Scheduled Maintenance
............. 6-7
Steering, Suspension and Front Drive Axle
Boot and Seal Inspection
.......................... 6-30
Using Your
................................................... 6-4
Your Vehicle and the Environment
................... 6-2
Maintenance When Trailer Towing
..................... 4-40
Throttle
System Inspection
............................ 6-31
Making Turns
................................................. 4-38
Malfunction Indicator Light
................................ 3-30
Manual Lumbar Controls
.................................... 1-3
Manual Seats
................................................... 1-2
Manual Windows
........................................ 2-16
Mirrors Manual Rearview Mirror
................................ 2-32
Outside Convex Mirror
................................. 2-33
Outside Manual Mirrors
................................ 2-32
Outside Power Mirrors
.................................. 2-32
Model Reference
............................................ vi
8

Matching Transmitter(s) to Your Vehicle ................. 2-5
Mexico, Central America and Caribbean
Islands/Countries (Except Puerto Rico and
U.S. Virgin Islands) ........................................ 7-5
MyGMLink.com
................................................ 7-4
New Vehicle Break-In
...................................... 2-19
Normal Maintenance Replacement Parts
........... 5-101
Odometer
............................................
Off-Road Recovery ................................
Oil
... 3-25
... 4-1 1
Engine ....................................................... 5-1 5
Pressure Gage
............................................ 3-34
Older Children, Restraints
................................ 1-35
Online Owner Center
........................................ 7-4
Operation Tips
................................................ 3-22
Other Warning Devices
...................................... 3-5
Outlet Adjustment
............................................ 3-22
Outside Convex Mirror
............................................. 2-33
Manual Mirrors
............................................ 2-32
Power Mirrors
............................................. 2-32
Overhead Console
.......................................... 2-39
Owners, Canadian
............................................... ii
Owner’s Information
........................................ 7-1 2
P
Park (P)
Shifting Into
............................. ........ 2-27
Shifting Out
of ......................... ............ 2-29
Brake
..................................................... 2-26
Parking
Over Things That Burn
................................. 2-30
Park (P) Mechanism Check
........................... 6-29
Parking Brake
and Automatic Transmission
Parking on Hills
........................................ 4-39 -39
Part A
- Scheduled Maintenance Services ............... 6-4
Part B
- Owner Checks and Services ................... 6-26
Part D
- Recommended Fluids and Lubricants ....... 6-32
Part
E - Maintenance Record ............................. 6-34
Passing
................................................. 4-12, 4-38
Passlock@
...................................................... 2-18
Payload
......................................................... 4-31
Plan Ahead When Possible
................................ 7-8
Playing the Radio
................................... 3-39, 3-41
Power
Accessory Outlets
........................................ 3-16
Door Locks
.................................................. 2-8
Electrical System
......................................... 5-92
Seat
............................................................ 1-3
Windows .................................................... 2-17
Part
C - Periodic
Maintenance Inspections ............ 6-30
Playing a Compact Disc
................................... 3-43
Steering Fluid
............................................. 5-40 9

Restraint System Check ..................... ... 6-26
Checking Your Restraint Systems
..... ... 1-71
Replacing Restraint System Parts
After a Crash
....................................... 1-71
Checking
.................................................... 1-71
Restraints, Head
............................................... 1-5
Retained Accessory Power (RAP)
...................... 2-20
Right Front Passenger Position, Safety Belts
......... 1-27
Roadside Assistance Program
....................................... 7-6
Rocking Your Vehicle To Get It Out
................... 4-28
Running Your Engine While You Are Parked
....... 2-31
Restraint Systems
Replacing Parts
........................................... 1-71
Safety Belt
Safety Belts
Reminder Light
... .................................. 3-26
Care
of ...................................................... 5-86
Center Passenger Position
............................ 1-27
Driver Position
............................................ 1-1 8
How to Wear Safety Belts Properly ................ 1-18
Questions and Answers About Safety Belts
........ 1-1 7
Rear Safety Belt Comfort Guides for
Children and Small Adults
......................... 1-32
Rear Seat Passengers
................................. 1-29
Right Front Passenger Position
...................... 1-27 Safety Belts
(cont.)
Safety Belt Extender
.................................... 1-34
Safety Belts Are for Everyone
....................... 1-13
Safety Belt
Use During Pregnancy
................. 1-26
Safety Chains
................................................. 4-36
Safety Warnings and Symbols
.............................. III
Sealed Beam Headlamp .................................. 5-55
Seatback Latches ............................................. 1-6
Seats Bench Seat
.......... ..........., ........ 1-11
Bucket Seats, Rear
................... ........ 1-12
Head Restraints
............................................ 1-5
Manual
........................................................ 1-2
Manual Lumbar
............................................. 1-3
Power Seat
.................................................. 1-3
Rear Seat Operation
...................................... 1-7
Reclining Seatbacks
...................................... 1-4
Seatback Latches
.......................................... 1-6
Center Seat Position
.................................... 1-57
Designed for the LATCH System
................... 1-54
Rear Outside Seat Position ........................... 1-54
Right Front Seat Position
.............................. 1-59
Security Light
................................................. 3-35
Selecting the Right Schedule, Maintenance
.......... 6-5
Selecting the Fan Speed
.................................. 3-20
Service
........................................................... 5-3
Adding Equipment to the Outside of
Your Vehicle
.............................................. 5-4
All-Wheel-Drive Light
.................................... 3-35
...
Securing a Child Restraint
11

Service (cont.)
Doing Your Own Work
................................... 5-3
Engine Soon Light
....................................... 3-30
Publications Ordering Information
................... 7-1 1
Sewice Bulletins ............................................. 7-1 2
Service Engine Soon Light in the United States
or Check Engine Light
in Canada
.................................................. 3-30
Service Manuals
............................................. 7-1 1
Servicing Your Air Bag-Equipped Vehicle ............ 1-69
Setting Preset Stations
............................ 3-39, 3-42
Setting the Temperature
................................... 3-20
Setting the Time
Radios with HR and MN Buttons
................... 3-38
Radios with the Set Button
........................... 3-38
Setting the Tone (Bassnreble)
.................. 3-40, 3-43
Shifting Into Park (P)
....................................... 2-27
Sheet
Metal Damage
....................................... 5-88
Shifting Out of Park (P)
................................... 2-29
Short Trip/City Definition
.................................... 6-5
Short TripKity Intervals
..................................... 6-5
Short Trip/City Scheduled Maintenance
...... ... 6-7
Shoulder Belt Height Adjuster
............... ..... 1-20
Skidding
........................................ ......... 4-13
Sliding Door Security Lock
............................... 2-1 1
Sliding Side Door
............................................ 2-10
Some Other Rainy Weather Tips
....................... 4-18
Spare Tire Check
............................................ 6-27 Special Fabric Cleaning
Problems
..................... 5-84
Specifications, Capacities
................................. 5-99
Speedometer
.................................................. 3-25
Steering
.......................................................... 4-9
Starter Switch
Check
....................................... 6-28
Starting Your Engine
....................................... 2-21
Steering in Emergencies
.................................. 4-10
Steering, Suspension and Front Drive Axle
Boot and Seal Inspection .............................. 6-30
Steering Tips
................................................... 4-9
Storage Areas
................................................ 2-38
Convenience Net
......................................... 2-45
Luggage Carrier
.......................................... 2-44
Overhead Console
....................................... 2-39
Storing a Flat or Spare Tire and
Tools ............... 5-81
Stuck in Sand, Mud, Ice or Snow
...................... 4-28
Sun Visors
..................................................... 2-17
Sunglasses Storage Compartment
..................... 2-44
Taillamps
....................................................... 5-60
Theft.Deterrent. Radio
..................................... 3-47
Theft-Deterrent Systems
................................... 2-18
Passlock@
............................................... 2-18
Throttle System Inspection
........................... 6-31
Tilt Wheel
........................................................ 3-5
Tire Inflation Check
......................................... 6-26
12

Vehicle Identification
Number (VIN)
............................................. 5-91
Vehicle Storage
.............................................. 5-47
Vinyl
............................................................. 5-85
Visor Vanity Mirror
.......................................... 2-17
Visors
........................................................... 2-1 7
Voltmeter Gage
.............................................. 3-28
Service Parts identification Label
................... 5-91
When
to Add Engine Oil
.................................. 5-16
When to Change Engine Oil
............................. 5-18
When to Check
.............................................. 5-64
When to Check and Change
............................ 5-25
When
to Check Lubricant ................................. 5-53
When to Check Power Steering Fluid
................ 5-40
When You Are Ready to Leave After
Parking on a Hill
......................................... 4-40
Where to Put the Restraint
............................... 1-47
Why Safety Belts Work
.................................... 1-14
Windows
....................................................... 2-16
Manual
...................................................... 2-16
Power
........................................................ 2-17
Windshield and Wiper Blades
........................... 5-87
Windshield Washer
........................................... 3-8
Fluid
.......................................................... 5-41
Windshield Washer Fluid Level Check
................ 6-26
Windshield Wiper
Blade Replacement
...................................... 5-62
Fuses
........................................................ 5-92
Windshield Wipers
............................................ 3-8
Winter Driving
............................................ 4-24
Wiper Blade Check
.... ............................. 6-27
Warning Lights. Gages and
Indicators
................ 3-23
Warnings Hazard Warning Flashers
............................... 3-4
Other Warning Devices
.................................. 3-5
Safety and Symbols
......................................... 111
Vehicle Damage .............................................. iv
Washing Your Vehicle
.................. ............ 5-86
Weatherstrip Lubrication
................... ........ 6-27
Weight of the Trailer Tongue
............................. 4-35
What Kind of Engine Oil to Use
........................ 5-17
What to Do with Used Oil
................................ 5-19
What to Use
.......................... 5-28, 5-40, 5-41, 5-53
Wheels Alignment and Tire Balance 5-69
...
Weight of the Trailer ........................................ 4-33
Y ..........................
Replacement .................... .... ......... 5-69 four Vehicle and the Environment ....... .. 6-2
14