1999 CHEVROLET ASTRO PASSENGER service schedule

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8-12
CURRENT PUBLICATIONS FOR 1999 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
1999 GM transmissions, transaxles and transfer cases.
RETAIL SELL PRICE: $50.00
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.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: $20.00
Without Portfolio: Owner's Manual only.
RETAIL SELL PRICE: $15.00
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.
PLEASE COMPLETE THE ORDER FORM SHOWN ON
THE FOLLOWING PAGE AND MAIL TO:
Helm, Incorporated
P.O. Box 07130
Detroit, MI 48207OR ORDER TOLL FREE: 1-800-551-4123
Monday-Friday 8:00 AM ± 6:00 PM Eastern Time
For Credit Card Orders Only (VISA±MasterCard±Discover)
1999 CHEVROLET SERVICE PUBLICATIONS ORDERING INFORMATION
The following publications covering the operation and servicing of your 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.)

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9-6
Key Lock Cylinders Service 7-42 . . . . . . . . . . . . . . . . . . . . .
Keyless Entry System 2-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Keys 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Labels
Certification/Tire 4-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Parts Identification 6-59 . . . . . . . . . . . . . . . . . . . . .
Tire-Loading Information 4-28 . . . . . . . . . . . . . . . . . . . . . .
Vehicle Identification Number 6-59 . . . . . . . . . . . . . . . . . . .
Lamps
Dome 2
-38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior 2-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior 2-38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On Reminder 2-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Latches, Seatback 1-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Leaving Your Vehicle 2-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Leaving Your Vehicle with the Engine Running 2-25 . . . . . . .
Lighter 2-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lights
Air Bag Readiness 1
-28, 2-60 . . . . . . . . . . . . . . . . . . . . . . .
Anti-Lock Brake System Warning 2-63, 4-7 . . . . . . . . . . . .
Brake System Warning 2-62 . . . . . . . . . . . . . . . . . . . . . . . . .
Charging System 2-61 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Check Engine 2-64 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Check Gages 2-68 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Daytime Running Lamps Indicator 2-68 . . . . . . . . . . . . . . .
Safety Belt Reminder 1-13, 2-60 . . . . . . . . . . . . . . . . . . . . .
Security 2-67 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service AWD 2-68 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Engine Soon 2-64 . . . . . . . . . . . . . . . . . . . . . . . . . . Loading Your Vehicle 4
-28 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Locks
Cylinders 7
-42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Door 2-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ignition Transmission Lock Check 7-44 . . . . . . . . . . . . . . .
Key Lock Cylinder Service 7-42 . . . . . . . . . . . . . . . . . . . . .
Power Door 2-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sliding Door Child Security 2-11 . . . . . . . . . . . . . . . . . . . . .
Lubricants and Fluids 7-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lubrication Service, Body 7-42 . . . . . . . . . . . . . . . . . . . . . . . .
Luggage Carrier 2-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lumbar Controls 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance, Normal Replacement Parts 6-69 . . . . . . . . . . .
Maintenance Record 7-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance Schedule 7-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Long Trip/Highway 7-29 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Long Trip/Highway Definition 7-6 . . . . . . . . . . . . . . . . . . .
Long Trip/Highway Intervals 7-6 . . . . . . . . . . . . . . . . . . . . .
Owner Checks and Services 7-41 . . . . . . . . . . . . . . . . . . . . .
Periodic Maintenance Inspections 7-45 . . . . . . . . . . . . . . . .
Recommended Fluids and Lubricants 7-47 . . . . . . . . . . . . .
Scheduled Maintenance Services 7-4 . . . . . . . . . . . . . . . . . .
Short Trip/City 7-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Short Trip/City Definition 7-5 . . . . . . . . . . . . . . . . . . . . . . .
Short Trip/City Intervals 7-5 . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance, Underbody 6-57 . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance When Trailer Towing 4-38 . . . . . . . . . . . . . . . . .
Malfunction Indicator Lamp 2-64 . . . . . . . . . . . . . . . . . . . . . .
Manual Front Seat 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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9-9
How to Wear Properly 1-17 . . . . . . . . . . . . . . . . . . . . . . . . .
Incorrect Usage 1-20, 1-60, 1-61 . . . . . . . . . . . . . . . . . . . .
Lap Belt 1-40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lap-Shoulder 1-17 1-34 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Larger Children 1-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Questions and Answers 1-16 . . . . . . . . . . . . . . . . . . . . . . . .
Rear Seat Outside Passenger Positions 1-34 . . . . . . . . . . . .
Rear Seat Passengers 1-34 . . . . . . . . . . . . . . . . . . . . . . . . . .
Reminder Light 1-13, 2-60 . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing After a Crash 1-63 . . . . . . . . . . . . . . . . . . . . . . . .
Right Front Passenger Position 1-26 . . . . . . . . . . . . . . . . . .
Shoulder Belt Height Adjuster 1-19 . . . . . . . . . . . . . . . . . . .
Smaller Children and Babies, Cargo Vans 1-44 . . . . . . . . . .
Smaller Children and Babies, Except Cargo Vans 1-41 . . . .
Use During Pregnancy 1-25 . . . . . . . . . . . . . . . . . . . . . . . . .
Why They Work 1-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Chains 4-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Defects, Reporting 8-10, 8-11 . . . . . . . . . . . . . . . . . . .
Safety Warnings and Symbols iii. . . . . . . . . . . . . . . . . . . . . . .
Scheduled Maintenance
Long Trip/Highway 7
-29 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Long Trip/Highway Definition 7-6 . . . . . . . . . . . . . . . . . . .
Long Trip/Highway Intervals 7-7 . . . . . . . . . . . . . . . . . . . . .
Short Trip/City 7-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Short Trip/City Definition 7-5 . . . . . . . . . . . . . . . . . . . . . . .
Short Trip/City Intervals 7-5 . . . . . . . . . . . . . . . . . . . . . . . .
Scheduled Maintenance Services 7-4 . . . . . . . . . . . . . . . . . . . . Seatback
Latches 1
-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reclining 1-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Seats
Manual Front 1
-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manual Lumbar Support 1-3 . . . . . . . . . . . . . . . . . . . . . . . .
Power 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear 1-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removable Rear 1-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Restraint Systems 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Seat Controls 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Securing a Child Restraint 1-52, 1-54, 1-56 . . . . . . . . . . . .
Tw o-Way Manual 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Second Gear 2-22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Security Light 2-67 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service 6-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AWD Light 2-68 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bulletins, Ordering 8-11, 8-12 . . . . . . . . . . . . . . . . . . . . . . .
Engine Soon Light 2-64 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manuals, Ordering 8-11, 8-12 . . . . . . . . . . . . . . . . . . . . . . .
Parts Identification Label 6-59 . . . . . . . . . . . . . . . . . . . . . . .
Publications, Ordering 8-11, 8-12 . . . . . . . . . . . . . . . . . . . .
Work, Doing Your Own 6-2 . . . . . . . . . . . . . . . . . . . . . . . . .
Service and Appearance Care 6-1 . . . . . . . . . . . . . . . . . . . . . .
Service and Owner Publications 8-11, 8-12 . . . . . . . . . . . . . .
Service Publications 8-11 8-12 . . . . . . . . . . . . . . . . . . . . . . . .
Servicing Your Air Bag-Equipped Vehicle 1-33 . . . . . . . . . . .
Sheet Metal Damage 6-57 . . . . . . . . . . . . . . . . . . . . . . . . . . . .