1998 CHEVROLET ASTRO check engine

Downloaded from www.Manualslib.com manuals search engine Ignition Transmission Lock Check While parked, and with the parking brake set, try
to turn
the ignition key to LOCK in each shift lever position.
The key should turn to LOCK only when the shift
lever is in PARK
(P).
0 The key should come out only in LOCK.
Parking Brake and Automatic Transmission
PARK (P) Mechanism Check
I A CAUTION: I
When you are doing this check, your vehicle
could begin to move. You or others could be
injured and property could be damaged. Make
sure there is room in front
of your vehicle in case
it begins to roll. Be ready to apply the regular
brake at once should the vehicle begin to move. Park
on a fairly steep hill, with the vehicle facing
downhill. Keeping your
foot on the regular brake, set the
parking brake.
0 To check the parking brake’s holding ability: With
the engine running and transmission
in
NEUTRAL (N), slowly remove foot pressure from
the regular brake pedal.
Do this until the vehicle is
held
by the parking brake only.
To check the PARK (P) mechanism’s holding ability:
With the engine running, shift
to PARK (P). Then
release all brakes.
Underbody Flushing Service
,At least every spring,
use plain water to flush any
corrosive materials from
the underbody. Take care to
clean thoroughly any areas where mud and other debris
can collect.
7-44

Downloaded from www.Manualslib.com manuals search engine Throttle System Inspection
Inspect the throttle system for interference or binding,
and for damaged
or missing parts. Replace parts as
needed. Replace any components that have high effort
or excessive wear.
Do not lubricate accelerator and
cruise control cables.
Drive Axle Service
Check readfront axle fluid level and add as needed.
Check constant velocity joints and axle seals for leaking.
Transfer Case (All-Wheel Drive) Inspection
Every 12 months or at oil change intervals, check
front axle and transfer case and add lubricant
when
necessary. Check vent hose at transfer case for kinks
and proper installation.
Brake System Inspection
Inspect the complete system. Inspect brake lines and
hoses for proper hook-up, binding, leaks, cracks,
chafing, etc. Inspect disc brake pads for wear and rotors
for surface condition. Also inspect drum brake linings
for wear and cracks. Inspect other brake parts, including
drums, wheel cylinders, calipers, parking brake, etc.
Check parking brake adjustment. You may need to have
your brakes inspected more often
if your driving habits
or conditions result
in frequent braking.
7-46

Downloaded from www.Manualslib.com manuals search engine Part E: Maintenance Record
After the scheduled services are performed, record the
date, odometer reading and who performed the service
in the boxes provided after the maintenance interval.
Any additional information from “Owner Checks and
Services” or “Periodic Maintenance” can be added on
the following record pages. Also, you should retain all
maintenance receipts. Your owner information portfolio
is a convenient place to store them.
Maintenance Record
ODOMETER
DATE MAINTENANCE PERFORMED SERVICED
BY READING
7-49

Downloaded from www.Manualslib.com manuals search engine 1998 CHEVROLET SERVICE PUBLICATIONS ORDERING INFORMATION
The following publications covering the operation and servicing of y\
our vehicle can be purchased by filling out
the Service Publication Order Form in this book and mailing it in with
your check, money order,
or credit card information to Helm, Incorporated (address below.)
CURRENT PUBLICATIONS FOR 1998 CHEVROLET
SERVICE MANUALS
Service Manuals have the diagnosis and repair information
on engines, transmission, axle, suspension, brakes,
electrical, steering, body, etc. RETAIL SELL PRICE:
$90.00
TRANSMISSION, TRANSAXLE, TRANSFER CASE
UNIT REPAIR MANUAL
This manual provides information on unit repair service
procedures, adjustments and specifications for the
1998 GM transmissions, transaxles and transfer cases.
RETAIL SELL PRICE:
$40.00
SERVICE BULLETINS
Service Bulletins give technical service information needed
to knowledgeably service General Motors cars and trucks.
Each bulletin contains instructions to assist in the
diagnosis and service
of your vehicle.
PLEASE COMPLETE THE ORDER FORM SHOWN ON
THE FOLLOWING PAGE AND MAIL TO:
Helm, Incorporated P.0. Box 07130 Detroit, MI 48207
OWNER’S INFORMATION
Owner publications are written directly for Owners and
intended to provide basic operational information about the
vehicle. The owner’s manual will include the Maintenance
Schedule for all models.
In-Portfolio: Includes a Portfolio, Owner’s Manual and
Warranty Booklet. RETAIL SELL PRICE:
$15.00
Without Portfolio: Owner’s Manual only.
RETAIL SELL PRICE:
$1 0.00
CURRENT & PAST MODEL ORDER FORMS
Service Publications are available for current and past
model GM vehicles. To request an order form, please
specify year and model name of the vehicle.
OR
ORDER TOLL FREE: 1-800-782-4356
Monday-Friday 8:OO AM - 6:OO PM Eastern Time
For Credit Card Orders
Only (VISA-MasterCard-Discover)

Downloaded from www.Manualslib.com manuals search engine ORDER TOLL FREE Orders will be mailed within 10 days of receipt. Please allow ade uate time for postal
(NOTE: For Credit Card Holders Only) service. If further information is needed, write to the address s gn own below or call
(Monday-Friday 8:OO AM - 6:OO PM EST) information within 30 days of delivery. On returns, a re-stocking fee may be applied 1-800-782-4356 1-800-782-4356. Material cannot be returned for credit without packing slip with return
FAX Orders Only 1-31 3-865-5927 against the original order.
PUBLICATION FORM ITEM DESCRIPTION VEHICLE MODEL PRICE
EACH* TOTAL
NUMBER NAME YEAR PRICE
Service Manual 1998 $90.00
Car
& Light Truck
Transmission Unit Repair 1998
$40.00
Owner’s Manual In Portfolio 1998 $1
5.00
Owner’s Manual Without Portfolio
1998 $1 0.00
QTYm
1
9
9
8
G
S
H
I
P
T
0
NOTE: Dealers and Companies please provide dealer or company name, and also the
name of the person to whose attention the shipment should be sent.
Mail completed order form to:
For purchases outside U.S.A. please write
to the above address for quotation.
HELM, INCORPORATED P.O. Box 07130 Detroit, MI 48207
(CUSTOMER’S NAME)
(ATTENTION)
(STREET ADDRESS-NO P.O.
BOX NUMBERS)
(CITY) (STATE) (ZIP CODE)
DAYTIME TELEPHONE NO.
0
AREA CODE
GM-CHE-ORD98 *(Prices are subject to change without notice and without incurring
obligation. Allow ample time for delivery.)
L
-
P
A
Y
M
E
N
T
TOTAL MATERIAL
Order payable to Michigan Purchasers
Helm, Inc. (USA funds add 6% sales tax
only - do not send cash.) U.S. Order Processing
Mastercard
c] VISA
0 Discover
Account Number:
UIn tun UIn uIn
Expiration m ml Check here if your billing address
Date mo/yr: is different from your shipping
address shown.
CUSTOMER SIGNATURE L
are to make checks payable in US. funds. To cover Canadian postage, add $1 1.50 plus the
Note to Canadian Customers: All listed prices are quoted
in U.S. funds. Canadian residents
U.S. order processing.

Downloaded from www.Manualslib.com manuals search engine Section 9 Index
Accessory Power Outlet ......................... 2-50
Add-on Equipment ............................. 4-28
AirBag
....................................... 1-26
Adding Equipment
............................ 1-32
How Does
it Restrain .......................... 1-30
How
it Works ................................ 1-28
Location
.................................... 1-28
Readiness Light
......................... 1.27. 2.58
Servicing
................................... 1-31
What Makes
it Inflate .......................... 1-29
What Will You See After
it Inflates ............... 1-30
When Should it Inflate ......................... I -29
AirCleanerFilter
............................... 6-19
Air Conditioning
................................ 3-5
Air Conditioning Refrigerants
..................... 6-68
Alignment and Balance. Tire
...................... 6-48
All-Wheel Drive
.......................... 2.28. 6.23
Aluminum Wheels. Cleaning ...................... 6-56
Antenna. Fixed Mast
............................ 3-30
Antifreeze
..................................... 6-25
Anti-Lock Brake System Warning Light
................ 2.61. 4.7
Brakes
...................................... 4-7
Anti.Theft. Radio
.............................. 3-26
Appearance Care
............................... 6-5 1
Appearance Care Materials ....................... 6-58
Arbitration Program .............................. 8-9
Ashtrays
...................................... 2-48 Audio Equipment.
Adding
...................... 3-28
Audio Systems
........................... ... 3-9
Automatic Transmission Check
........................... 7-42
Transmission Operation
........................ 2-19
Transmission Fluid
............................ 6-20
Front
......... ... ................... 6-24
Locking Rear
.............................. 2-28
Rear
...... ............................ 6-25
Axle
Battery
...................................... 6-35
Jump Starting ................................. 5-3
Replacement. Remote Keyless Entry
............... 2-9
Warnings .................................... 5-3
BBB Auto Line ................................. 8-9
Better Business Bureau Mediation
................... 8-9
Blizzard ...................................... 4-24
Brake Adjustment
................ .............. 6-35
Fluid
....................................... 6-31
Master Cylinder
.............................. 6-31
Parking
..................................... 2-22
PedalTravel
................................. 6-35
Replacing System Parts
........................ 6-35
Trailer
...................................... 4-32
Transmission Shift Interlock Check
............... 7-43
9-1

Downloaded from www.Manualslib.com manuals search engine Brake (Continued)
Wear
..................................
Brakes. Anti-Lock .........................
Braking ..................................
Braking in Emergencies .....................
Break-In. New Vehicle .....................
BTSI Check ..............................
Built-in Child Restraint .....................
Bulb Replacement ........................
System Warning Light ....................
Canadian Roadside Assistance ..............
Capacities and Specifications .................
Carbon Monoxide ..... 2- 13.2.27.2.30.4.25.
Care
of Compact Disc Player .................
Care of Your Cassette Tape Player .............
Care of Your Compact Discs .................
Cassette Deck Service ......................
Cassette Tape Player .......................
Cassette Tape Player Care ...................
Center Passenger Position ...................
Certification/Tire Label .....................
Chains. Safety ............................
Chains. Tire ..............................
Changing a Flat Tire ........................
Charging System Light .....................
Check Gages Light .........................
Checking Transmission Fluid Hot .............
Checking Your Restraint Systems .............
Chemical Paint Spotting .....................
Child Restraints ...........................
Care ..................................
Cleaning ...............................
9-2
..... 6-34
..... 2-60
...... 4-7
...... 4-6
...... 4-8
..... 2-15
..... 7-43
..... 1-44
.... 6-36
...... 8-7
..... 6-67
4.32. 4.33
..... 3-30
..... 3-29
..... 3-30
..... 7-41
3-1 1. 3.13
..... 3-29
..... 1-38
..... 4-26
..... 4-32
..... 6-50
..... 5-23
..... 2-59
..... 2-66
..... 6-21
..... 1-68
..... 6-57
..... 1-52
..... 6-53
..... 6-53 Securing
in a Rear
Outside Seat Position ........... 1-58
Securing in the Center Seat Position .............. 1-60
Securing
in the Right Front Seat Position .......... 1-62
TopStrap
................................... 1-58
Where to Put ........................... 1-56. 1-57
Cigarette Lighter ............................... 2-48
Circuit Breakers and Fuses
....................... 6-61
Cleaner.
Air Filter .............................. 6-19
Cleaning
Aluminum Wheels ............................ 6-56
Built-in Child Restraint ........................ 6-53
Fabric
...................................... 6-52
Glass ....................................... 6-54
Inside
of Your Vehicle ......................... 6-51
Instrument Panel
............................. 6-53
Leather
..................................... 6-53
Outside of Your Vehicle
........................ 6-55
Stains ...................................... 6-52
Tires
....................................... 6-56
Wheels
..................................... 6-56
Windshield and Wiper Blades
................... 6-54
Clock. Setting the
................................ 3-9
Comfort Controls
................................ 3-2
Compact Disc Care
............................. 3-30
Compact Disc Player
....................... 3-19. 3-24
Compact Spare Tire
............................. 5-36
Control
of a Vehicle .............................. 4-5
ConvenienceNet
............................... 2-47
Convex Outside Mirror
.......................... 2-41
Coolant
....................................... 6-25
Heater. Engine
............................... 2-18
Recovery Tank ............................... 5-16
Special Problems
................. ....... 6-52
Vinyl ....................................... 6-53

Downloaded from www.Manualslib.com manuals search engine Cooling System .................. ... 5-15
Customer Assistance for Text Telephone Users ......... 8-4
Courtesy Transportation
......................... 8-8
Cruise Control
................................. 2-34
Customer Assistance Information
................... 8- I
Customer Satisfaction Procedure .................... 8-2
Damage. Finish
............................... 6-57
Damage. Sheet Metal ............................ 6-57
Daytime Running Lamps
......................... 2-38
Daytime Running Lamps Indicator Light
............ 2-66
Dead Battery
................................... 5-3
Defects. Reporting Safety
................... 8- IO. 8- 1 1
Defensive Driving ............................... 4-2
Defogger. Rear Window
.......................... 3-8
Defrosting
..................................... 3-6
Dimensions. Vehicle
............................ 6-69
Dome Lamps
.............................. 2-39
Door Front
.......... ........................ 2-4
Rear
........................................ 2-4
Sliding
..................................... 2-10
Drive Position ................................. 2-21
Driver Position
................................. 1 - I 8
Driving
City
........................................ 4-17
Defensive
.................................... 4-2
Drunken
..................................... 4-2
Freeway
.................................... 4-18
InaBlizzard
................................. 4-24
In Foreign Countries
........................... 6-5
IntheRain .................................. 4-15
Locks
....................................... 2-6 Night
...................................... 4-13
OnCurves
................................... 4-9
On Grades While Towing a Trailer
............... 4-35
On
Hill and Mountain Roads .................... 4-21
OnSnowandIce ............................. 4-23
Through Water
............................... 4-17
WetRoads
.................................. 4-15
Winter
...................................... 4-22
With
a Trailer ................................ 4-33
Drunken Driving
................................ 4-2
Electrical Equipment. Adding
.......... 2-18. 3-28. 6-60
Electrical System
............................... 6-60
Engine
........................................ 6-9
Coolant
..................................... 6-25
Coolant Heater
............................... 2-18
Coolant Level Check
.......................... 7-41
Cooling System Capacity
....................... 6-67
Cover
...................................... 6-15
Exhaust
................. 2-13.2-27.2.30.4.25. 4.33
FuseBlock
.................................. 6-64
Identification
................................ 6-59
OilLevelCheck
.............................. 7-41
Overheating
................................. 5-13
Running While Parked
......................... 2-27
Specifications
................................ 6-67
Starting
..................................... 2-17
Temperature Gage
............................ 2-61
Engineoil
.................................... 6-10
Adding ..................................... 6-12
Additives
................................... 6-14
Checking
................................... 6-11
Pressure Gage
................................ 2-64
9-3