tow CHEVROLET ASTRO 2003 Manual PDF

67,500 Miles (112 500 km)
0 Change engine oil and filter (or every 12 months,
whichever occurs first).
An Emission Control
Service.
0 Lubricate chassis components (or every 12 months,
0 Check readfront axle fluid level and add fluid as
whichever occurs first).
(See footnote #).
needed.
Check constant velocity joints and axle seals
for leaking.
0 Rotate tires. See Tire lnspection and Rotation on
page 5-64
for proper rotation pattern and additional
information.
(See footnote +).
75,000 Miles (125 000 km)
CI Change engine oil and filter (or every 12 months,
whichever occurs first).
An Emission Control
Service.
whichever occurs first). (See footnote #).
U Lubricate chassis components (or every 12 months,
0 Check readfront axle fluid level and add fluid as
needed. Check constant velocity joints and axle seals
for leaking.
0 Change automatic transmission fluid and filter if the
vehicle is mainly driven under one or more of these
conditions:
- In heavy city traffic where the outside
temperature regularly reaches
90°F (32°C)
or higher.
- In hilly or mountainous terrain.
- When doing frequent trailer towing.
- Uses such as found in taxi, police or delivery
service.
If you do not use your vehicle under any of these
conditions, change the fluid and filter every
50,000 miles
(83 000 km).
0 Rotate tires. See Tire lnspection and Rotation on
page 5-64
for proper rotation pattern and additional
information.
(See footnote +).
6-23

82,500 Miles (137 500 km)
0 Change engine oil and filter (or every 12 months,
0 Lubricate chassis components (or every 12 months,
0 Check readfront axle fluid level and add fluid as
whichever
occurs first).
An Emission Control Service.
whichever occurs first). (See footnote #).
needed. Check constant velocity joints and axle seals
for leaking.
page 5-64 for proper rotation pattern and additional
information.
(See footnote +).
0 Rotate tires. See Tire Inspection and Rotation on
90,000 Miles (150 000 km)
0 Change engine oil and filter (or every 12 months,
0 Lubricate chassis components (or every 12 months,
0 Check rear/front axle fluid level and add fluid as
whichever
occurs first).
An Emission Control Service.
whichever occurs first). (See footnote #).
needed. Check constant velocity joints and axle seals
for leaking.
0 For Two-Wheel-Drive vehicles only: Clean and repack
the front wheel bearings (or at each brake relining,
whichever occurs first).
Q Change automatic transmission fluid and filter if the
vehicle is mainly driven under one or more of these
conditions:
- In heavy city traffic where the outside
temperature regularly reaches
90°F (32°C)
or higher.
- In hilly or mountainous terrain.
- When doing frequent trailer towing.
- Uses such as found in taxi, police or delivery
service.
If you do not use your vehicle under any of these
conditions, change the fluid and filter every
50,000 miles (83 000 km).
0 Replace fuel filter. An Emission Control Service.
(See footnote
t).
0 Replace engine air cleaner filter. An Emission
Control Service.
0 Rotate tires. See Tire Inspection and Rotation on
page
5-64 for proper rotation pattern and additional
information.
(See footnote +).
6-24

Canada GM Mobility Program for Persons
with Disabilities General Motors of Canada Limited
Customer Communication Centre, 163-005
1908 Colonel Sam Drive
Oshawa, Ontario LIH 8P7
1-800-263-3777 (English)
1-800-263-7854 (French)
1-800-263-3830 (For Text Telephone devices (TYs))
Roadside Assistance: 1-800-268-6800
All Overseas Locations
Please contact the local General Motors Business Unit.
Mexico, Central America and Caribbean
IslandsKountries (Except Puerto Rico
and
US. Virgin Islands)
General Motors de Mexico, S. de R.L. de C.V
Customer Assistance Center
Paseo de la Reforma
# 2740
Col. Lomas de Bezares
C.P. 11910 Mexico,
D.F.
Long Distance: 01 1-52-53 29 0 800
01
-800-508-0000
Phis program, available
to qualified applicants,
can reimburse you up to
$1,000 toward aftermarket
driver or passenger
adaptive equipment you
may require for your
vehicle (hand controls,
wheelchair/scooter lifts, etc.).
This program can also provide you with free resource
information, such
as area driver assessment centers ana
mobility equipment installers. The program is available
for a limited period of time from the date of vehicle
purchase/lease. See your dealer for more details
or call
the GM Mobility Assistance Center at 1-800-323-9935.
Text telephone (TTY) users, call 1-800-833-9935.
GM of Canada also has a Mobility Program.
Call 1 -800-GM-DRIVE (463-7483) for details.
All TTY users call 1-800-263-3830.
7-5

Roadside Assistance Program
To enhance Chevrolet’s strong commitment to customer
satisfaction, Chevrolet is excited to announce the
establishment of the Chevrolet Roadside Assistance
Center. As the owner
of a 2003 Chevrolet, membership
in Roadside Assistance is free.
Roadside Assistance is available 24 hours a day,
365 days a year, by calling 1-800-CHEV-USA
(243-8872). This toll-free number will provide you
over-the-phone roadside assistance with minor mechanical problems. If your problem cannot be
resolved over the phone, our advisors have access to
a nationwide network of dealer recommended service
providers. Roadside membership is free; however some
services may incur costs.
Roadside offers two levels of service to the customer,
Basic Care and Courtesy Care:
Roadside Basic Care provides:
0 Toll-free number, 1 -800-CHEV-USA (243-8872),
text telephone (TTY) users, call 1-888-889-2438
Free towing for warranty repairs
Basic over-the-phone technical advice
Available dealer services at reasonable costs
(i.e., wrecker services, locksmith/key service,
glass repair, etc.) Roadside
Courtesy Care provides:
Roadside Basic Care services (as outlined
previously)
Plus:
FREE Non-Warranty Towing (to the closest dealer
from a legal roadway)
FREE Locksmith/Key Service (when keys are lost
FREE Flat Tire Service (spare installed on the road)
FREE Jump Start (at home or on the road)
FREE Fuel Delivery ($5 of fuel delivered on the road)
on
the road or locked inside)
Chevrolet offers Courtesy Transportation for customers
needing warranty service. Courtesy Transportation
will be offered in conjunction with the coverage provided
by the Bumper-to-Bumper New Vehicle Limited
Warranty to eligible purchasers of 2003 Chevrolet
passenger cars and light duty trucks. (See your selling
dealer for details.)
7-6

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 ON5
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
Transmission, Transaxle, Transfer
Case Unit Repair Manual
This manual provides information on unit repair service
procedures, adjustments, and specifications for GM
transmissions, transaxles, and transfer cases.
RETAIL SELL PRICE: $50.00
7-1
1

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

Power Steering ................................................ 4-9
Programming the HomeLink Transmitter
............. 2-35
Programmable Automatic Door Locks
.................. 2-9
Q
Questions and Answers About
Safety Belts ......... 1-17
R
Radiator Pressure Cap ................. ............ 5-30
Radios
....................................... ............ 3-38
AM-FM
....................................... ........ 3-39
Care of Your CD Player
........................... 3-50
Care of Your CDs
.................................... 3-50
Radio with CD
............................................ 3-41
Rear Seat Audio
.......................................... 3-46
Setting the Time for Radios with HR and
MN Buttons
......................................... 3-38
Setting the Time for Radios with the
Set Buttons
............................. ........ 3-38
Theft-Deterrent
........................ ........ 3-47
Understanding Reception
.......................... 3-50
Reading Lamps
.............................................. 2-40
Rear Air Conditioning System
........................... 3-20
Rear Axle
...................................................... 5-53
Rear Climate Control System
............................ 3-21
Rear Doors
.................................................... 2-13
Rear Heating System
...................................... 3-19 Rear
Rear
Rear Rear
Rear
Rear Safety Belt
Comfort Guides
...................... 1-32
Seat Audio
............................................. 3-46
Seat Operation
......................................... 1-7
Seat Outside Passenger Positions
............. 1-29
Seat Passengers, Safety Belts
.................. 1-29
Window Defoqqer
.................................... 3-21
Rearview Mirrors 2-32 -- .............................................
Reclining Seatbacks .......................................... 1-4
Recreational Vehicle Towing
............................. 4-29
Reinstalling the Engine Cover
........................... 5-23
Remote Keyless Entry System
............................ 2-4
Remote Keyless Entry System, Operation
............ 2-5
Removing the Engine Cover
............................. 5-20
Removing the Flat Tire and Installing the
Spare Tire
.................................................. 5-76
Removing the Rear Seats
.................................. 1-7
Removing the Spare Tire and
Tools ................... 5-72
Removing the Wheel Covers
............................ 5-75
Replacement Bulbs
......................................... 5-61
Replacing Brake System Parts
.......................... 5-46
Replacing Restraint System Parts
After a Crash
.............................................. 1-71
Replacing the Rear Seats
.................................. 1-9
Reporting Safety Defects Canadian Government
.................................. 7-11
General Motors
........................................... 7-11
United States Government
............................ 7-10
Reprogramming a Single HomeLink@ Button
....... 2-37
Resetting Defaults
........................................... 2-37
10

Tires ..................................................... 5.63. 5-88
Buying New Tires
........................................ 5-66
Chains
....................................................... 5-70
Changing a Flat Tire
.................................... 5-71
Compact Spare Tire
..................................... 5-82
If a Tire Goes Flat
....................................... 5-70
Inflation
- Tire Pressure ............................... 5-64
Inspection and Rotation
................................ 5-64
Uniform Tire Quality Grading
......................... 5-67
Wheel Alignment and Tire Balance
................. 5-69
Wheel Replacement
..................................... 5-69
When It
Is Time for New Tires ...................... 5-66
To Use the Engine Coolant Heater
.................... 2-22
Top
of the Instrument Panel ............................. 5-85
Top Strap
...................................................... 1-48
Top Strap Anchor Location
............................... 1-50
Torque Lock
................................. ....... 2-29
Tow/Haul Mode Button
..................................... 2-25
Tow/Haul Mode Light
................................... 3-36
Towing Recreational Vehicle
..................................... 4-29
Towing a Trailer
.......................................... 4-31
Your Vehicle
............................................... 4-29
Trailer Brakes
................................................. 4-36
Trailer Wiring Harness
..................................... 4-41
Trailering Package
.......................................... 4-31
Transfer Case
................................................ 5-52
Transmission Fluid, Automatic
........................................... 5-25
Total Weight on Your Vehicle’s Tires
... ....... 4-35 Transmission
Operation. Automatic
.................... 2-23
Transmission. Transaxle. Transfer Case Unit
Repair Manual
............................................ 7-11
Trip Odometer
................................................ 3-25
Turn Signal/Multifunction Lever
........................... 3-6
Turn Signals When Towing a Trailer
.................. 4-38
Transportation Options
...................................... 7-9
Turn and Lane Change Signals
.......................... 3-6
U
Underbody Flushing Service ................. ..... 6-29
Underhood Fuse Block
.................... ..... 5-96
Understanding Radio Reception
.... ..... 3-50
Uniform Tire Quality Grading
......................... 5-67
United States
................................................... 7-4
Unlocking the Theft-Deterrent Feature
After a Power Loss
...................................... 3-49
Used Replacement Wheels
.............................. 5-70
Using Cleaner on Fabric
.................................. 5-84
Using HomeLink@
........................................... 2-37
v
Vehicle
Control
..................................................... 4-6
Loading
...................................................... 4-29
Symbols
......................................................... iv
Damage Warnings
........................................... iv
13