check engine CHEVROLET ASTRO 1996 Repair Manual

Long Trip/Highway Maintenance Schedule
- 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 uny oj
these conditions, change the fluid and filter every
30,000 miles (50 000 km).
0 Replace fuel filter.
0 Replace air cleaner filter.
An Emission Control Service.
An Emission Control Service.
I DATE ACTUAL MILEAGE SERVICED BY
97,500 Miles (162 500 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Control Service.
Lubricate chassis components; see footnote ##
(or every 12 months, whichever occurs first).
Check readfront axle fluid level and add fluid
as needed. Check constant velocity joints and
axle seals for leaking.
**
0 Rotate tires. See “Tire Incption and Rotation’’
in the Index for proper rotation pattern and
additional information. During tire rotation,
check brake calipers for freedom of movement. Refer
to the appropriate GM service manual for
oroDer calioer service Drocedures.
DATE SERVICED BY ACTUAL MILEAGE
7-39

Part B: Owner Checks and Services
Listed below are owner checks and services which
should be performed at the intervals specified
to help
ensure the safety, dependability and emission control
performance of your vehicle.
Be sure
any necessary repairs are completed at once.
Whenever
any fluids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown
in Part
D.
At Each Fuel Fill
It is important for you or a service station attendant to
perform these underhood checks at each
filelfill.
Engine Oil Level Check
Check the engine oil level and add the proper oil
if necessary. See “Engine Oil” in the Index for
further details.
Engine Coolant Level Check
Check the engine coolant level and add the proper
coolant mix if necessary. See “Engine Coolant” in the
Index for further details.
Windshield Washer Fluid Level Check
Check the windshield washer fluid level in the
windshield washer tank and add the proper fluid if
necessary. See “Windshield Washer Fluid”
in the Index
for further details.
At Least Once a Month
Tire Inflation Check
Make sure tires are inflated to the correct pressures.
See “Tires” in the Index for further details.
Cassette Deck Service
Clean cassette deck. Cleaning should be done every
50 hours of tape play. See “Audio Systems” in the
Index for further details.
7-41

Starter Switch Check When you are doing this check, the vehicle could
move suddenly. If it does, you or others could be
injured. Follow the steps below. Brake-Transmission Shift Interlock (BTSI) Check
c
,A CAUTION:
When you are doing this check, the vehicle could
move suddenly. If
it does, you
or others could be
injured. Follow the steps below.
1. Before you start, be sure you have enough room
around the vehicle.
2.
3.
Firmly apply both the parking brake (see “Parking Brake” in the Index
if necessary) and the regular brake.
NOTE: Do not use the accelerator pedal, and be
ready to turn
off the engine immediately if it starts.
Try
to start the engine in each gear. The starter
should work only
in PARK (P) or NEUTRAL (N). If
the starter works in any other position, your vehicle
needs service.
1. Before you start, be sure you have enough room
around the vehicle. It should be parked on a
level surface.
2.
3.
Firmly apply the parking brake (see “Parking Brake”
in the Index if necessary).
NOTE: Be ready to apply the regular brake
immediately
if the vehicle begins to move.
With the engine
off, turn the key to the RUN position,
but don’t start the engine. Without applying the regular
brake, try to move the shift lever out of PARK
(P)
with normal effort. If the shift lever moves out of
PARK (P), your vehicle’s BTSI needs service.
7-43

Steering Column Lock Check
While parked, and with the parking brake set, try
to turn
the key to
LOCK in each shift lever position.
0 The key should turn to LOCK only when the shift
lever is in PARK (P).
The key should come out only in LOCK.
Parking Brake and Automatic Transmission
PARK (P) Nlorhanism Check 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: 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.
0 To check the PARK (P) mechanism’s holding ability:
With
the engine running, shift to PARK (P). Then
release all brakes.
A CAUTION:
r
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.
7-44

Brakes. Anti-Lock ............................... 4-6
Braking
........................................ 4-5
Braking
in Emergencies ........................... 4-8
Break-In. New Vehicle
.......................... 2- 13
BTSICheck ................................... 7-43
Bulb Replacement
.............................. 6-36
Canadian Roadside Assistance
.................... 8-6
Capacities and Specifications
...................... 6-67
Carbon Monoxide
............... 2.26.4.25.4.32. 4.33
Cassette Deck Service
........................... 7-41
Cassette Tape Player
.................. 3- 10. 3. 12. 3.20
Cassette Tape Player Care
........................ 3-27
Center Passenger Position
........................ 1-34
Chains. Safety
................................. 4-32
Chains. Tire
................................... 6-49
Changing a Flat Tire
............................. 5-23
Charging System Light
.......................... 2-55
Check Gages Light
.............................. 2-63
Check Oil Light
................................ 2-61
Checking
Your Restraint Systems .................. 1-52
Chemical Paint Spotting
.......................... 6-57
Child Restraints
................................ 1-4 I
Securing in a Rear Outside Seat Position ........... 1-43
Securing
in the Center Seat Position .............. 1-45
Securing
in the Right Front Seat Position .......... 1-46
TopStrap
................................... 1-42
Where to Put
........................... 1-4 I. 1-42
Cigarette Lighter
............................... 2-48
Circuit Breakers and Fuses
....................... 6-61
Cleaner. Air ................................... 6-19 Cleaning
Aluminum Wheels ............................ 6-55
Fabric
...................................... 6-50
Glass
....................................... 6-53
Inside
of Your Vehicle ......................... 6-50
Instrument Panel
............................. 6-53
Leather
..................................... 6-52
Outside
of Your Vehicle ........................ 6-54
Special Problems
............................. 6-51
Stains
...................................... 6-51
Tires
....................................... 6-56
Vinyl ....................................... 6-52
Wheels
..................................... 6-55
Windshield and Wiper Blades
................... 6-53
Clock. Setting the
................................ 3-8
Comfort Controls
................................ 3-1
Compact Disc Care
............................. 3-28
Compact Disc Player
............................ 3-16
Compact Spare Tire
............................. 5-36
Control of a Vehicle .............................. 4-5
ConvenienceNet
............................... 2-46
Convex Outside Mirror
.......................... 2-39
Coolant
....................................... 6-25
Heater. Engine
............................... 2-16
RecoveryTank
............................... 5-15
Courtesy Lamps
................................ 2-37
Courtesy Transportation
........................... 8-6
Cruise Control
................................. 2-32
Customer Assistance for Text Telephone Users
......... 8-3
Customer
Assistance Information ................... 8-1
Customer Satisfaction Procedure .................... 8-1
Cooling System
................................ 5-15
9-2

Damage. Finish ........................ . . 6-56
Damage. Sheet Metal
............................ 6-56
Daytime Running Lamps
......................... 2-36
Daytime Running Lamps Indicator Light
............ 2-62
Dead Battery
................................... 5-2
Defects. Reporting Safety
......................... 8-8
Defensive Driving ............................... 4- 1
Defogger. Rear Window .......................... 3-7
Defrosting
..................................... 3-6
Dimensions. Vehicle
............................ 6-69
Dome Lamps
.................................. 2-37
Door Locks
....................................... 2-5
Sliding ...................................... 2-9
DrivePosition
................................. 2-20
DriverPosition
................................. 1-16
Driving City
........................................ 4-17
Defensive
.................................... 4-1
Drunken ..................................... 4-2
Freeway
.................................... 4-18
InaBlizzard ................................. 4-24
In Foreign Countries ........................... 6-4
In the Rain .................................. 4-14
Night
...................................... 4-13
OnCurves
................................... 4-8
On Grades While Towing
a Trailer ............... 4-35
On Hill and Mountain Roads
.................... 4-20
On Snow and Ice
............................. 4-22
Through Water
................... ....... 4-16
WetRoads
.................................. 4-14
Winter ...................................... 4-22
With a Trailer ................................ 4-33
Drunken Driving
................................ 4-2 Electrical
Equipment. Adding
........ 2- 16. 3.26. 6-60
Electrical System
............................... 6-60
Engine ........................................ 4-9
Coolant
..................................... 6-25
Coolant Heater
............................... 2-16
Coolant Level Check
.......................... 7-41
Cooling System Capacity
....................... 6-67
Cover
...................................... 6-15
Exhaust
..................................... 2-26
FuseBlocks
............................ 6-61. 6-64
Identification
................................ 6-59
OilLevelCheck
.............................. 7-41
Overheating
................................. 5-13
Running While Parked
......................... 2-26
Specifications
................................ 6-67
Starting
..................................... 2-15
Temperature Gage
............................ 2-62
Engineoil
.................................... 6-11
Adding
..................................... 6-12
Additives
................................... 6-14
Checking
................................... 6-12
Pressure Gage
........................... .... 2-60
Used
....................................... 6-15
Whentochange .............................. 6-14
Exhaust. Engine
................................ 2-26
Express-Down Window
........................ 2-28
Fabric Cleaning
............................... 6-50
Fiberglass Springs
.............................. 6-57
Filling Your Tank
................................ 6-5
Filter. Air
..................................... 6-69
Filter. Engine Oil
............................... 6-69
Finish Care
.................................... 6-54
9-3

Finish Damage ................................. 6-56
First Gear
..................................... 2-20
Flashers. Hazard Warning
......................... 5-1
Flat Tire. Changing ............................. 5-23
Fluid Capacities
................................ 6-67
Fluids and Lubricants
............................ 7-47
Foreign Countries. Fuel
........................... 6-4
French Language Manual
11
Front Axle .................................... 6-24
Front Storage Area
.............................. 2-40
Front Towing
.............................. 5-9. 5- 10
Front Turn Signal Lamp Bulb Replacement .......... 6-40
Fuel
.......................................... 6-3
Canada
...................................... 6-3
Filling Your Tank
.............................. 6-5
Gage
....................................... 2-63
In Foreign Countries
........................... 6-4
Regulator
................................... 2-16
Fuses
and Circuit Breakers ....................... 6-61
Gages
.. ...........................
Engine Coolant Temperature .................... 2-62
Engine Oil Pressure
........................... 2-60
Fuel
....................................... 2-63
Garage Door Opener
............................ 2-43
Gear Positions. Automatic Transmission
............. 2- 18
GloveBox .................................... 2-40
Gross Axle Weight Rating
........................ 4-26
Gross Vehicle Weight Rating
...................... 4-26
Guide en FranGais
11
GVWR ....................................... 4-26
GAWR
....................................... 4-26
.. .................................
Halogen
Bulbs ................................ 6-36
Hatch Release
.................................. 2-11
Hazard Warning Flashers .......................... 5-1
Head Restraints ................................. 1-5
Headlamps .................................... 2-35
Bulb Replacement
............................ 6-36
Highkow Beam Changer
...................... 2-30
OnReminder
................................ 2-36
Wiring
..................................... 6-60
Hearing Impaired. Customer Assistance
.............. 8-3
Heating ........................................ 3-5
High-Beam Headlamps
.......................... 2-30
Highway Hypnosis
.............................. 4-20
Hill and Mountain Roads
......................... 4-20
Hitches. Trailer
................................. 4-32
Hood Checking Things Under
......................... 6-7
Prop
....................................... 6-10
Release
...................................... 6-8
Horn
......................................... 2-29
Hydroplaning
.................................. 4-16
Ignition Positions
.............................. 2-14
Inflation. Tire
.................................. 6-43
Inside Daymight Rearview Mirror
................. 2-38
Inspections
.................................... 7-45
Brakesystem
................................ 7-46
Drive Axle
.................................. 7-46
Exhaust Systems
............................. 7-45
Radiator and Heater Hose
...................... 7-45
Steering
.................................... 7-45
Suspension
.................................. 7-45
Throttle Linkage
.............................. 7-45
9-4

Instrumentpanel ............................... 2-50
Brightness Control
.................... i ....... 2-35
Cleaning
.................................... 6-53
Cluster
..................................... 2-52
FuseBlock
.................................. 6-61
Interior Lamps
................................. 2-37 Charging System
........................... 2-55
Check Gages
................................ 2-63
Check Oil
................................... 2-61
Daytime Running Lamps Indicator
............... 2-62
Safety Belt Reminder
..................... 1 - 12. 2-54
Service Engine Soon
.......................... 2-58
Loading Your Vehicle
........................... 4-26 .
J
Locks
ack. Tire .................................... 5-24
Cylinders ................................... 7-42
Jump Starting ................................... 5-2
Door ........................................ 2-5
Key Lock Cylinders Service
..................... 7-42
Keyless Entry System
............................ 2-7
Keys
.......................................... 2-1
Key Lock Cylinder Service ..................... 7-42
PowerDoor
.................................. 2-6
Sliding Door Child Security
..................... 2-10
Steering Column Lock Check
................... 7-44
Lubricants and Fluids
............................ 7-47
Lubrication Service. Body
........................ 7-42
Luggagecarrier
................................ 2-47
Certificationflire
............................. 4-26 Lumbar Controls ................................ 1-2
Service Parts Identification ..................... 6-59
Tire-Loading Information
...................... 4-26
Vehicle Identification Number
................... 6-59
Lamps ........................................ 2-35
Dome
...................................... 2-37
Interior
..................................... 2-37
OnReminder
................................ 2-36
Latches. Seatback ................................ 1-5
Leaving Your Vehicle ............................. 2-6
Leaving Your Vehicle with the Engine Running
....... 2-24
Lighter
....................................... 2-48
Lights
Air Bag Readiness ....................... 1-25. 2-54
Anti-Lock Brake System Warning
............ 2-57. 4-6
Brake System Warning
......................... 2-57 Maintenance.
Normal Replacement Parts
........... 6-69
Maintenance Record
............................ 7-49
Maintenance Schedule
............................ 7-1
Long Trip/Highway Definition
................... 7-5
Long TripMighway Intervals
..................... 7-5
Owner Checks and Services
..................... 7-41
Periodic Maintenance Inspections
................ 7-45
Recommended Fluids and Lubricants
............. 7-47
Scheduled Maintenance Services
.................. 7-2
Short Trip/City Definition
....................... 7-4
Short Trip/City Intervals ........................ 7-4
Maintenance. Underbody ......................... 6-X
9-5

Maintenance When Trailer Towing ............... 4-36
Malfunction Indicator Lamp
...................... 2-58
ManualFrontSeat
............................... 1-1
Manual Lumbar Support .......................... 1-2
Methanol
...................................... 6-4
Mirrors
....................................... 2-38
Convex Outside
.............................. 2-39
Inside Day/Night Rearview
..................... 2-38
Outside
..................................... 2-39
Visor Vanity ................................. 2-49
MMT
......................................... 6-3
ModelReference
................................. vi
Mountain Roads ........ ................ 4-20
Net. Convenience
.............................. 2-46
Neutral
....................................... 2-19
New Vehicle Break-In
........................... 2- I3
Nightvision
................................... 4-13
Odometer
.................................... 2-53
Odometer. Trip
................................. 2-53
Off-Road Recovery
............................. 4- IO
Oil. Engine .................................... 6-11
Opener. Garage Door ............................ 2-43
Outside Mirror
................................. 2-39
Overhead Console
.............................. 2-42
Overheating Engine
............................. 5- I3
Owner Checks and Services
....................... 7-41
Owner Publications. Ordering ...................... 8-9
Paint Spotting. Chemical ........................ 6-57
Park
......................................... 2-18
Shifting Into
................................. 2-22
Shifting Out
of ............................... 2-25
AtNight
.................................... 2-13
Brake ...................................... 2-21
Brake Mechanism Check
....................... 7-44
Lots
....................................... 2-13
Over Things That Burn
......................... 2-25
With
a Trailer ................................ 4-36
Passing
....................................... 4-10
Payload
....................................... 4-28
Periodic Maintenance Inspections
.................. 7-45
Power Accessory Outlet
............................. 2-49
DoorLocks
................................... 2-5
Option Fuses
................................ 6-60
Seat ......................................... 1-3
Steering ..................................... 4-8
Steering Fluid
................................ 6-30
Windows
.................................... 2-27
Pregnancy, Use of Safety Belts
.................... 1-30
Problems on the Road
............................ 5-1
Publications, Service and Owner .................... 8-9
Parking
Radiator
..................................... 5-19
Radiator Pressure Cap ........................... 6-29
Radio Reception
................................ 3-26
Radios
........................................ 3-8
Rain. Driving In ................................ 4-14
Reading
Lamps ................................ 2-38
9-6

Seatback Latches
.................................... 1-5
Reclining .................................... 1-3
Bench
....................................... 1-6
Bucket ...................................... 1-6
ManualFront
................................. 1-1
Manual Lumbar Support ........................ 1-2
Power
....................................... 1-3
Rear
........................................ 1-5
Removable Rear Bucket ......................... 1-8
Restraint Systems
.............................. 1 - 1
Seat Controls ................................. 1 . 1
Securing a Child Restraint ................. 1.41. 1-42
Two-WayManual
............................. 1-2
Second Gear
................................... 2-20
Service
........................................ 6-1
Bulletins. Ordering
............................. 8-9
EngineSoonLight
............................ 2-58
Manuals. Ordering
............................. 8-9
Parts Identification Label
....................... 6-59
Publications. Ordering
........................... 8-9
Work. Doing Your Own
......................... 6-2
Service and Appearance Care
...................... 6- 1
Service Publications .............................. 8-9
Servicing Your Air Bag-Equipped Vehicle
........... 1-29
Sheet Metal Damage
............................ 6-56
Shifting
....................................... 2-18
IntoPark
.................................... 2-22
Outofpark
.................................. 2-25
Shoulder Belt Height Adjuster
..................... 1 - 18
SIR .......................................... 1-24
Skidding
....................................... 4-12
Sound Equipment. Adding
........................ 3-26
Seats
Spare Tire.
Compact
............................. 5-36
Specifications and Capacities
...................... 6-67
Speech Impaired. Customer Assistance
............... 8-3
Speedometer
................................... 2-53
Springs. Fiberglass
.............................. 6-57
Stains. Cleaning
................................ 6-51
Starter Switch Check ............................ 7-43
Starting Your Engine
............................ 2-15
Steam
........................................ 5-13
Steering
....................................... 4-8
Column Lock Check
.......................... 7-44
In Emergencies ................................ 4-9
Power
....................................... 4-8
Tips
......................................... 4-8
Wheel. Tilt
.................................. 2-29
Storage Compartments
........................... 2-40
Storage. Vehicle
................................ 6-36
Stuck:
In Sand. Mud. Ice or Snow .................. 5-37
Sunvisors
.................................... 2-49
Sunglasses Storage
.............................. 2-46
Supplemental Inflatable Restraint
.................. 1-24
Symbols. Vehicle
.................................. v
Taillamp Bulb Replacement ...................... 6-40
Tape Player Care
............................... 3-27
Theft
......................................... 2-12
Theft-Deterrent Feature
.............. ; ........... 3-23
THEFTLOCK" ................................ 3-23
Thermostat
.................................... 6-30
Third Gear
.................................... 2-20
Tilt Steering Wheel
............................. 2-29
Time. Setting
................................... 3-8
Tirechains
.................................... 6-49
9-8