1994 CHEVROLET ASTRO PASSENGER service

Downloaded from www.Manualslib.com manuals search engine NAME
DRL**
PWR
MIRRORS*
TRAILER*
CIRCUITS
PROTECTED
Canadian Daytime Running
Lights
Power Mirror
Trailer Wiring Harness
FUSE
10 Amp
3 Amp
30 Amp
*In-line fuse
**Canada only
***In-line fuse (certain models)
Service Replacement Part and Filter
Recommendations
ENGINE (VIN)
OIL FILTER
AIR CLEANER FILTER
PCV VALVE
SPARK PLUGS*
FUEL FILTER
RADIATOR CAP 4.3L (2)
PF52
A773C
CV789C
.CR43TSM
GF48
1
RC36
*Use copper-cored resistor type spark plugs.
CIRCUIT
BREAKER
4.3L
(W)
PF52
A1163C
cv774c
.CR43TSM GF48
1
RC36
6-74

Downloaded from www.Manualslib.com manuals search engine Scheduled Maintenance Services
I
Section
This section covers the maintenance required for your vehicle . Your vehicle
needs these services to retain its safety. dependability. and emission control
performance
.
A Word About Maintenance ................. . . 7-2
Your Vehicle and the Environment
......................... 7-2
Scheduled Maintenance Services
............................... 7-3
Selecting The Proper Maintenance Schedule
................. 7-3
Maintenance Schedule I
.............................. 7-4
Maintenance Schedule I1
................................ 7-6
Explanation
of Scheduled Maintenance Services .............. 7-7
Owner Checks and Services
................................ 7-10
At Least Once a Month .............. ............... 7-10
At Least Once a Year
............. ........... .... 7-10
Periodic Maintenance Inspections
............... ...... 7-12
Recommended Fluids
& Lubricants ........................... 7-13
MaintenanceRecord
....................................... 7-15
Service Station Checks
................................... 7-16
Protection
Plan
Have you purchased the GM Protection Plan? The Plan supplements
your new vehicle warranties
. See your Vehicle dealer for details .
7-1

Downloaded from www.Manualslib.com manuals search engine A Word About Maintenance
We at General Motors want to help you keep your vehicle in good working
condition. But we don’t know exactly how you’ll drive
it. You may drive
very short distances only a few times a week. Or you may drive long distances
all the time in very hot, dusty weather. You may use your vehicle in making
deliveries. Or
you may drive it to work, to do errands, or in many other ways.
Because of all the different ways people use their
GM vehicles, maintenance
needs vary.
You may even need more frequent checks and replacements than
you will find
in the schedules in this section. So please read this section and
note how
you drive. If you have any questions on how to keep your vehicle
in good condition, see your GM dealer, the place many GM owners choose
to have their maintenance work done. Your dealer can be relied upon to
use
proper parts and practices.
Your Vehicle A d The Environment
Proper vehicle mainte nce not only helps keep your vehicle in good
working condition, bur
11 also helps the environment. All recommended
maintenance procedures are important. Improper vehicle maintenance or the
removal of important components can significantly affect the quality
of the
air we breathe. Improper fluid levels or even the wrong tire inflation can
increase
the level of emissions from your vehicle. To help protect our
environment, and to help keep your vehicle
in good condition, please
maintain your vehicle properly.
If you are skilled enough to do some work on your vehicle,
you will
probably want to get the service information GM publishes. You will find a
list
of publications and how to get them in Section 8, Customer Assistance
Information.
See “Service Publications” in the Index.
The Maintenance Record provides a place for you to record the maintenance
performed on your vehicle. Whenever
any maintenance is performed, be
sure to write it down in this section. This will help you determine when your
next maintenance should be done. In addition,
it is a good idea to keep your
maintenance receipts. They may be needed
to qualify your vehicle for
warranty repairs.
7-2

Downloaded from www.Manualslib.com manuals search engine Scheduled Maintenance Services
This part tells you the maintenance services you should have done and when
you should schedule them. Your GM dealer knows your vehicle best and
wants you to be happy with
it. If you go to your dealer for all your service
needs, you’ll know
that GM-trained and supported service people will
perform the work using genuine GM parts.
These schedules are for vehicles that:
0 carry passengers and cargo within the recommended limits. You will
find these limits on your vehicle’s Certification Label. See “Loading
Your Vehicle”
in the Index.
are driven on regular road surfaces, and within legal driving limits, as
described in Section
4, Your Driving and the Road.
use the proper fuel. See “Fuel” in the Index.
Selecting The Proper Maintenance Schedule
Your driving conditions and how you use your vehicle will help you
determine which schedule to use. The schedules are found later in this
section.
MAINTENANCE SCHEDULE I
Is any one of these true for your vehicle?
0 Most trips are less than 4 miles (6 kilometers).
0 Most trips are less than 10 miles (16 kilometers) and the outside
temperatures are below freezing.
0 The engine is at low speed most of the time (as in stop-and-go traffic,
0 You operate in dusty areas.
door-to-door
delivery, or other commercial uses).
You tow a trailer.
If any one (or more) of these is true for your driving, follow Schedule I. The
chart for Schedule
I has plus signs (+).
MAINTENANCE SCHEDULE I1
Follow Schedule I1 ONLY if none of the above conditions are true. The
chart for Schedule
I1 has dots (0).
7-3

Downloaded from www.Manualslib.com manuals search engine MAINTENANCE SCHEDULE I
Item
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
* An Emission Control Service
** See “Explanation of Scheduled Maintenance Services” in the Index
$ The California Air Resources Board has determined that the fail\
ure to perform this
maintenance item will not nullify the emission warranty or limi\
t recall liability prior
to the
completion of vehicle useful life. General Motors, however, urges that all re\
commended
maintenance services be performed at the indicated intervals and\
the maintenance be
recorded.
Ti
001
7-4

Downloaded from www.Manualslib.com manuals search engine MAlNTENANCE SCHEDULE / (continued)
THE SERVICES SHOWN ON THIS CHART UP TO 60,000 MILES (100 000 km) ARE TO BE
DONE AFTER
60,000 MILES AT THE SAME INTERVALS.
T1002
7-5

Downloaded from www.Manualslib.com manuals search engine MAlNTENANCE SCHEDULE I/
Item Miles (000) 7.5 15 22.5 30
No. Kilometers (000) 12.5 25 37.5 50
Service
Oil Filter Change*- 12 Months, or
1 12 Months, or I 1 1 I
2 Chassis Lubrication-Every
3 Cooling System Service*
-Every
24 Months or
4 I Air Cleaner Filter Replacement* I I I I 0
5 Front Wheel Bearing Repack
(2WD Only) 0
6 Transmission Service **
7 Fuel Filter Replacement*$ 0
8 Spark Plug Replacement* 0
9 Spark Plug Wire Inspection*
10 Engine Timing Check*$
11 Fuel Tank, Cap and Lines
12 Engine Accessory Drive Belt
13 Tire and Wheel Rotation
0 0
14 Drive Axle Service 0.00
15 Brake Systems Inspection** Inspection*$
Inspection”
* An Emission Control Service
** See “Explanation of Scheduled Maintenance Services” in the Index
$ The California Air Resources Board has determined that the fail\
ure to perform this
maintenance item will not nullify the emission warranty or limi\
t recall liability prior
to the
completion
of vehicle useful life. General Motors, however, urges that all recommended
maintenance services be performed at the indicated intervals and\
the maintenance be
recorded.
THE SERVICES SHOWN
ON THIS CHART UP TO 60,000 MILES (100 000 km) ARE TO BE
DONE AFTER
60,000 MILES AT THE SAME INTERVALS.
TI 003
7-6

Downloaded from www.Manualslib.com manuals search engine Explanation Of Scheduled Maintenance Services
Below are explanations of the services listed in the maintenance charts.
The proper fluids and lubricants to use are listed
in this section. Make sure
whoever services your vehicle uses these. All parts should
be replaced and
all necessary repairs done before you or anyone else drives the vehicle.
1.
2.
3.
4.
5.
ENGINE OIL AND OIL FILTER CHANGE“ - ALWAYS USE
API SERVICE
SH OR SG ENERGY CONSERVING I1 OILS OF THE
PROPER VISCOSITY. The
“SH7 or “SG7 designation may be shown
alone or in combination with others, such as “SWCD”, or
“SH, SG,
CD,” or “SG/CD”, etc. To determine the preferred viscosity oil for your
vehicle’s engine see “Engine Oil”
in the Index.
CHASSIS LUBRICATION - Lubricate the front suspension,
steering linkage, transfer case shift linkage, parking brake cab\
le guides,
and brake pedal springs at the intervals specified on the proper
maintenance schedule, or at every engine oil change, whichever \
comes
first.
Ball joints and king pin bushings should not be lubricated unless their
temperature is
10°F (-1 2°C) or higher. When the weather is cold, let
them warm up before lubricating them or they could be damaged.\

Also, be sure to check all the vehicle fluid levels at this \
time.
COOLING SYSTEM SERVICE* - Drain, flush and refill the
system
with new or approved recycled coolant conforming to “GM
Specification 6038-M”. See “Engine Coolant”
in the Index for the
proper coolant and mixture to use
in your vehicle.
Also inspect the hoses and replace them
if they are cracked, swollen, or
deteriorated. Clean the outside of the radiator and air conditioning
condenser. Wash the radiator neck.
To ensure proper operation,
pressure test the radiator and cap.
AIR CLEANER FILTER REPLACEMENT* - Replace at
specified intervals. Ask your dealer for the proper replacement
intervals for your driving conditions.
FRONT WHEEL BEARING REPACK
(2-WHEEL DRIVE ONLY)
- Clean and repack the front wheel
bearings at each brake relining,
or at the specified interval, whichever
comes first.
* An Emission Control Service
7-7