2004 CHEVROLET ASTRO CARGO VAN check engine

Hood
Checking Things Under.................................. 5-9
Release.....................................................5-10
Horn............................................................... 3-5
How to Add Coolant to the Coolant
Recovery Tank............................................5-33
How to Add Coolant to the Radiator..................5-35
How to Add Fluid............................................5-25
How to Check Lubricant...................................5-51
How to Check Power Steering Fluid..................5-38
How to Inspect the Engine Air Cleaner/Filter.......5-22
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-18
Hydroplaning..................................................4-16
I
If No Steam Is Coming From Your Engine..........5-30
If Steam Is Coming From Your Engine...............5-29
If the Light Is Flashing.....................................3-30
If the Light Is On Steady.................................3-30
If You Are Caught in a Blizzard.........................4-26
If You Are Stuck in Sand, Mud, Ice or Snow.......4-28
If You Do Decide To Pull A Trailer.....................4-35
Ignition Positions.............................................2-18Ignition Transmission Lock Check......................6-25
Infants and Young Children, Restraints...............1-38
Ination - Tire Pressure...................................5-70
Inspection
Brake System.............................................6-27
Engine Cooling System................................6-26
Exhaust System..........................................6-26
Fuel System...............................................6-26
Part C - Periodic Maintenance.......................6-26
Steering, Suspension and Front Drive
Axle Boot and Seal..................................6-26
Throttle System...........................................6-27
Transfer Case and Front Axle
(All-Wheel Drive)......................................6-27
Installing a Garage Door Opener.......................2-39
Instrument Panel
Cluster.......................................................3-23
Overview..................................................... 3-2
Instrument Panel Brightness Control..................3-14
Instrument Panel Fuse Block..........................5-101
Interior Lamps................................................3-14
J
Jump Starting.................................................5-44
7

K
Key Lock Cylinders Service..............................6-23
Keyless Entry System....................................... 2-4
Keys............................................................... 2-2
L
Lamps
Exterior......................................................3-12
Interior.......................................................3-14
Lamps On Reminder.......................................3-13
Lap Belt........................................................1-27
Lap-Shoulder Belt...................................1-18, 1-29
LATCH System
Child Restraints...........................................1-51
Securing a Child Restraint Designed
for the LATCH System..............................1-54
Latches, Seatback............................................ 1-6
Leaving Your Vehicle......................................... 2-9
Leaving Your Vehicle With the Engine
Running.....................................................2-27
Light
Air Bag Readiness.......................................3-25
Anti-Lock Brake System Warning...................3-28Light (cont.)
Brake System Warning.................................3-27
Charging System.........................................3-26
Check Gages Warning.................................3-34
Low Fuel Warning.......................................3-35
Malfunction Indicator....................................3-29
Safety Belt Reminder...................................3-24
Security.....................................................3-33
Service All-Wheel-Drive................................3-33
Tow/Haul Mode...........................................3-34
Loading Your Vehicle.......................................4-29
Locking Rear Axle............................................ 4-8
Locks
Door........................................................... 2-7
Leaving Your Vehicle..................................... 2-9
Power Door.................................................. 2-8
Programmable Automatic Door Locks............... 2-8
Long Trip/Highway Denition.............................. 6-6
Long Trip/Highway Intervals............................... 6-6
Long Trip/Highway Scheduled Maintenance........6-16
Loss of Control...............................................4-13
Low Fuel Warning Light...................................3-35
Luggage Carrier..............................................2-43
Lumbar
Manual Controls............................................ 1-4
8

M
Maintenance, Normal Replacement Parts..........5-109
Maintenance Schedule
At Each Fuel Fill.........................................6-22
At Least Once a Month................................6-22
At Least Once a Year..................................6-23
At Least Twice a Year..................................6-22
Brake System Inspection..............................6-27
Engine Cooling System Inspection.................6-26
Exhaust System Inspection...........................6-26
Fuel System Inspection................................6-26
How This Section is Organized....................... 6-3
Introduction.................................................. 6-2
Long Trip/Highway Scheduled
Maintenance............................................6-16
Maintenance Requirements............................. 6-2
Part A - Scheduled Maintenance Services......... 6-4
Part B - Owner Checks and Services.............6-22
Part C - Periodic Maintenance Inspections......6-26
Part D - Recommended Fluids and
Lubricants...............................................6-28
Part E - Maintenance Record........................6-30
Selecting the Right Schedule.......................... 6-5
Short Trip/City Scheduled Maintenance............. 6-6Maintenance Schedule (cont.)
Steering, Suspension and Front Drive
Axle Boot and Seal Inspection...................6-26
Throttle System Inspection............................6-27
Transfer Case and Front Axle
(All-Wheel Drive) Inspection.......................6-27
Using Your................................................... 6-4
Your Vehicle and the Environment................... 6-2
Maintenance When Trailer Towing.....................4-44
Making Turns.................................................4-42
Malfunction Indicator Light................................3-29
Manual Lumbar Controls.................................... 1-4
Manual Seats................................................... 1-3
Manual Windows............................................2-15
Matching Transmitter(s) to Your Vehicle............... 2-6
Mexico, Central America and Caribbean
Islands/Countries (Except Puerto Rico and
U.S. Virgin Islands) – Customer Assistance....... 7-5
Mirrors
Manual Rearview Mirror................................2-31
Outside Convex Mirror.................................2-32
Outside Manual Mirror..................................2-31
Outside Power Mirrors..................................2-31
Model Reference................................................ vi
MyGMLink.com................................................ 7-4
9

N
New Vehicle Break-In......................................2-18
Normal Maintenance Replacement Parts...........5-109
O
Odometer......................................................3-24
Off-Road Recovery..........................................4-11
Oil
Engine.......................................................5-13
Pressure Gage............................................3-32
Older Children, Restraints................................1-35
Online Owner Center........................................ 7-4
Operation Tips................................................3-19
Other Warning Devices...................................... 3-5
Outlet Adjustment............................................3-19
Outside
Convex Mirror.............................................2-32
Manual Mirror.............................................2-31
Power Mirrors.............................................2-31
Overhead Console..........................................2-38
Overseas – Customer Assistance........................ 7-5
Owners, Canadian............................................... ii
Owner’s Information........................................7-13
P
Park (P)
Shifting Into................................................2-26
Shifting Out of............................................2-28
Parking
Brake........................................................2-25
Over Things That Burn.................................2-29
Parking Brake and Automatic Transmission
Park (P) Mechanism Check...........................6-25
Parking on Hills..............................................4-44
Part A - Scheduled Maintenance
Services...................................................... 6-4
Part B - Owner Checks and Services................6-22
Part C - Periodic Maintenance Inspections..........6-26
Part D - Recommended Fluids and
Lubricants..................................................6-28
Part E - Maintenance Record...........................6-30
Passenger Van...............................................1-50
Passing.................................................4-11, 4-42
Passlock
®......................................................2-17
Payload.........................................................4-34
Plan Ahead When Possible................................ 7-8
Playing a CD.................................................3-41
Playing the Radio...................................3-36, 3-38
10

Removing the Engine Cover.............................5-17
Removing the Flat Tire and Installing
the Spare Tire.............................................5-83
Removing the Rear Seats.................................. 1-7
Removing the Spare Tire and Tools...................5-79
Removing the Wheel Covers............................5-83
Replacement Bulbs.........................................5-59
Replacing Brake System Parts..........................5-43
Replacing the Rear Seats.................................. 1-9
Reporting Safety Defects
Canadian Government..................................7-11
General Motors...........................................7-12
United States Government............................7-11
Reprogramming a Single HomeLink
®Button.......2-36
Resetting Defaults...........................................2-36
Restraint System Check...................................6-22
Checking Your Restraint Systems...................1-68
Replacing Restraint System Parts
After a Crash..........................................1-69
Restraint Systems
Checking....................................................1-68
Replacing Parts...........................................1-69
Retained Accessory Power (RAP)......................2-19
Right Front Passenger Position, Safety Belts......1-27
Roadside
Assistance Program....................................... 7-6
Rocking Your Vehicle To Get It Out...................4-28
Routing, Engine Drive Belt..............................5-110
Running Your Engine While You Are Parked.......2-30
S
Safety Belt
Reminder Light............................................3-24
Safety Belts
Care of......................................................5-94
Center Passenger Position............................1-27
Driver Position............................................1-18
How to Wear Safety Belts Properly................1-18
Questions and Answers About
Safety Belts.............................................1-17
Rear Safety Belt Comfort Guides for
Children and Small Adults.........................1-32
Rear Seat Passengers.................................1-29
Right Front Passenger Position......................1-27
Safety Belt Extender....................................1-34
Safety Belt Use During Pregnancy.................1-26
Safety Belts Are for Everyone.......................1-13
Safety Chains.................................................4-40
Safety Warnings and Symbols.............................. iii
Sealed Beam Headlamp..................................5-53
Seatback Latches............................................. 1-6
Seats
Bench Seat................................................1-10
Bucket Seats, Rear......................................1-12
Head Restraints............................................ 1-6
Manual........................................................ 1-3
Manual Lumbar............................................. 1-4
Power Seat.................................................. 1-3
12

Seats (cont.)
Rear Seat Operation...................................... 1-7
Reclining Seatbacks...................................... 1-4
Seatback Latches.......................................... 1-6
Securing a Child Restraint
Center Seat Position....................................1-56
Designed for the LATCH System...................1-54
Rear Outside Seat Position...........................1-54
Right Front Seat Position..............................1-58
Security Light.................................................3-33
Security While You Travel.................................. 7-6
Selecting the Fan Speed..................................3-21
Selecting the Right Schedule, Maintenance.......... 6-5
Service........................................................... 5-3
Adding Equipment to the Outside
of Your Vehicle.......................................... 5-4
All-Wheel-Drive Light....................................3-33
Doing Your Own Work................................... 5-3
Engine Soon Light.......................................3-29
Publications Ordering Information...................7-12
Service Bulletins.............................................7-13
Service Engine Soon Light in the United States
or Check Engine Light in Canada..................3-29
Service Manuals.............................................7-12
Servicing Your Air Bag-Equipped Vehicle............1-67
Setting Preset Stations............................3-37, 3-40
Setting the Temperature...................................3-21Setting the Time
Radios with HR and MN Buttons...................3-36
Radios with the Set Button...........................3-36
Setting the Tone (Bass/Treble)..................3-38, 3-40
Sheet Metal Damage.......................................5-97
Shifting Into Park (P).......................................2-26
Shifting Out of Park (P)...................................2-28
Short Trip/City Denition.................................... 6-5
Short Trip/City Intervals..................................... 6-5
Short Trip/City Scheduled Maintenance................ 6-6
Shoulder Belt Height Adjuster...........................1-20
Skidding........................................................4-13
Sliding Door Security Lock...............................2-10
Sliding Side Door............................................. 2-9
Some Other Rainy Weather Tips.......................4-17
Spare Tire Check............................................6-23
Special Fabric Cleaning Problems.....................5-92
Specications, Capacities...............................5-107
Speedometer..................................................3-24
Starter Switch Check.......................................6-24
Starting Your Engine.......................................2-20
Steering.......................................................... 4-9
Steering in Emergencies..................................4-10
Steering, Suspension and Front Drive Axle
Boot and Seal Inspection..............................6-26
Steering Tips................................................... 4-9
Steering Wheel, Tilt Wheel................................. 3-5
13

Storage Areas................................................2-36
Convenience Net.........................................2-43
Luggage Carrier..........................................2-43
Overhead Console.......................................2-38
Storing a Flat or Spare Tire and Tools...............5-89
Stuck in Sand, Mud, Ice or Snow......................4-28
Sun Visors.....................................................2-16
Sunglasses Storage Compartment.....................2-42
T
Taillamps.......................................................5-57
Theft-Deterrent, Radio.....................................3-44
Theft-Deterrent Systems...................................2-17
Passlock
®...................................................2-17
Throttle System Inspection...............................6-27
Tilt Wheel........................................................ 3-5
Tire Ination Check.........................................6-22
Tire Sidewall Labeling......................................5-61
Tire Size.......................................................5-66
Tire Terminology and Denitions........................5-68
Tires.............................................................5-60
Buying New Tires........................................5-73
Chains.......................................................5-76
Changing a Flat Tire....................................5-78
Compact Spare Tire.....................................5-90
If a Tire Goes Flat.......................................5-77Tires (cont.)
Ination - Tire Pressure................................5-70
Inspection and Rotation................................5-71
Uniform Tire Quality Grading.........................5-74
Wheel Alignment and Tire Balance.................5-75
Wheel Replacement.....................................5-75
When It Is Time for New Tires......................5-72
To Use the Engine Coolant Heater....................2-21
Top Strap......................................................1-47
Top Strap Anchor Location...............................1-49
Torque Lock...................................................2-28
Total Weight on Your Vehicle’s Tires..................4-38
Tow/Haul Mode...............................................4-36
Tow/Haul Mode Button.....................................2-24
Tow/Haul Mode Light.......................................3-34
Towing
Recreational Vehicle.....................................4-29
Towing a Trailer..........................................4-35
Your Vehicle...............................................4-29
Trailer Brakes.................................................4-40
Trailer Wiring Harness.....................................4-45
Trailering Package..........................................4-34
Transfer Case................................................5-50
Transmission
Fluid, Automatic...........................................5-23
Transmission Operation, Automatic....................2-22
Transmission, Transaxle, Transfer Case
Unit Repair Manual......................................7-12
14

Wheels
Alignment and Tire Balance..........................5-75
Replacement...............................................5-75
When to Add Engine Oil..................................5-14
When to Change Engine Oil.............................5-16
When to Check and Change............................5-23
When to Check Lubricant.................................5-51
When to Check Power Steering Fluid................5-38
When to Inspect the Engine Air Cleaner/Filter.....5-21
When You Are Ready to Leave
After Parking on a Hill..................................4-44
Where to Put the Restraint...............................1-46
Why Safety Belts Work....................................1-14
Windows.......................................................2-15
Manual......................................................2-15
Power........................................................2-16Windshield Washer........................................... 3-8
Fluid..........................................................5-39
Windshield Washer Fluid Level Check................6-22
Windshield Wiper
Blade Replacement......................................5-59
Fuses......................................................5-100
Windshield Wipers............................................ 3-8
Winter Driving................................................4-24
Wiper Blade Check.........................................6-23
Y
Your Vehicle and the Environment....................... 6-2
16