CHEVROLET ASTRO 1997 2.G Owners Manual

Downloaded from www.Manualslib.com manuals search engine - In heavy city traffic where the outside
temperature regularly reaches
90 OF
(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
30,000 miles (50 000 km).
0 Rotate tires. See “Tire Inspection and
Rotation” in the Index for proper rotation
pattern and additional information. (See footnote
+.)
0 Inspect engine accessory drive belt.
Replace fuel filter. An Emission Control Service.
0 Replace air cleaner filter.
13 Inspect fuel tank, cap and lines for damage
or leaks. Inspect fuel cap gasket for any
damage. Replace parts as needed.
An Emission Control Service. (See footnote?.)
(See footnote?.)
An Emission Control
Service.
7-37

Downloaded from www.Manualslib.com manuals search engine Long Trip/Highway Maintenance Schedule
67,500 Miles (112 500 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
0 Lubricate chassis components (or every
12 months, whichever occurs first).
(See footnote
#.)
0 Check readfront axle fluid level and add fluid
as needed. Check constant velocity joints and
axle seals for leaking.
(See footnote **.)
0 Rotate tires. See “Tire Inspection and
Rotation” in
the Index for proper rotation
pattern and additional information. (See footnote
+.)
An Emission Control Service.
I DATE I ACTUAL MILEAGE ISERVICED BY: I
75,000 Miles (125 000 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
0 Lubricate chassis components (or every
12 months, whichever occurs first).
(See footnote
#.)
0 Check readfront axle fluid level and add
fluid as needed. Check constant velocity
joints and axle seals for leaking.
(See footnote
** .)
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 O F
(32°C) or higher.
An Emission Control Service.
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Downloaded from www.Manualslib.com manuals search engine - 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
30,000 miles (50 000 km).
0 Rotate tires. See “Tire Inspection and
Rotation” in the Index for proper rotation
pattern and additional information.
(See footnote +.)
I DATE I ACTUAL MILEAGE ISERVICED BEI
82,500 Miles (137 500 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
0 Lubricate chassis components (or every
12 months, whichever occurs first).
(See footnote
#.)
El Check readfiont axle fluid level and add fluid
as needed. Check constant velocity
joints and
axle seals for leaking. (See footnote
**.)
0 Rotate tires. See “Tire Inspection and
Rotation” in the Index for
proper rotation
pattern and additional information.
(See footnote
+.)
An Emission Control Service. .
7-39

Downloaded from www.Manualslib.com manuals search engine 90,000 Miles (150 000 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, whichever occurs first).
(See footnote
#.)
0 Check readfront axle fluid level and add
fluid
as needed. Check constant velocity
joints and axle seals for leaking.
(See footnote
**.)
For Two-Wheel-Drive vehicles only: Clean
each brake relining, whichever occurs first).
1 and repack the front wheel bearings (or at
CJ 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 O C) or higher.
- In hilly or mountainous terrain.
- When doing frequent trailer towing.
- Uses such as found in taxi, police or
If you do not use your vehicle under any of these
conditions, change the
fluid and filter every
30,000 miles (50 000 km).
delivery service.

Downloaded from www.Manualslib.com manuals search engine Replace fuel filter. An Emission Control Service.
CI Replace air cleaner filter.
El Rotate tires. See “Tire Inspection and
Rotation” in
the Index for proper rotation
pattern and additional information.
(See footnote
+.)
(See footnote?.)
An Emission Control Service.
97,500 Miles (162 500 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
Cl Lubricate chassis components (or every
12 months, whichever occurs first).
(See footnote
#.)
0 Check readfkont axle fluid level and add fluid
as needed. Check constant velocity joints and
axle seals
for leaking. (See footnote **.)
El Rotate tires. See “Tire Inspection and
Rotation” in the Index
for proper rotation
pattern and additional information.
(See footnote
+.)
An Emission Control Service.
7-41

Downloaded from www.Manualslib.com manuals search engine 100,000 Miles (I66 000 km)
0 Inspect spark plug wires.
0 Replace spark plugs.
0 Inspect. Positive Crankcase Ventilation
(Pcv) valve. An Emission Control Sewice.
An Emission Control Service.
An Emission
Control Service.
.
DATE ACTUAL MILEAGE SERVICED BY:
-
150,000 Miles (240 000 km)
0 Drain, flush and refill cooling system
(or every
60 months since last service,
whichever occurs first). See “Engine
Coolant” in the Index for what
to use.
Inspect hoses. Clean radiator, condenser,
pressure cap and neck. Pressure test the
cooling system and pressure cap.
An Emission Control Service.
DATE
I
ACTUAL MILEAGE SERVICED BY

Downloaded from www.Manualslib.com manuals search engine 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
per&orm these underhood checks at each fuel
fill.
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 DEX-COOL@
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.
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Downloaded from www.Manualslib.com manuals search engine At Least %ice a Year Automatic Transmission Check
Restraint System Check
Make sure the safety belt reminder light and all your
belts, buckles, latch plates, retractors and anchorages are
working properly. If your vehicle has a built-in child
restraint, also periodically make sure the harness straps,
latch plates, buckle, clip, retractors and anchorages are
working properly. Look for
any other loose or damaged
safety belt and built-in child restraint system parts. If
you see anything that might keep a safety belt or built-in
child restraint system from doing its job, have it
repaired. Have any
torn or frayed safety belts or harness
straps replaced.
Also look for any opened or broken air bag covers, and
have them repaired or replaced. (The air bag system
does not need regular maintenance.)
Wiper Blade Check
Inspect wiper blades for wear or cracking. Replace blade
inserts that appear worn
or damaged or that streak or
miss areas of the windshield. Also see “Wiper Blades,
Cleaning” in the Index. Check
the transmission fluid
level; add if needed. See
“Automatic Transmission’’ in the Index.
A fluid loss
may indicate a problem. Check the system and repair
if needed.
At Least Once a Year
Key Lock Cylinders Service
Lubricate the key lock cylinders with the lubricant
specified in
Part D.
Body Lubrication Service
Lubricate all body door hinges, the body hood, fuel
door and rear compartment hinges, latches and locks
including interior glove box and console doors, and any
moving seat hardware. Lubricate the hood safety lever
pivot and prop rod pivot.
Part D tells you what to use.
More frequent lubrication may be required when
exposed to
a corrosive environment.
7-44

Downloaded from www.Manualslib.com manuals search engine Starter Switch Check
I A CAUTION: I
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. 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.
3. 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.
Brake-Transmission Shift Interlock (BTSI) Check
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.
2.
3.
Before you start, be sure you have enough room
around the vehicle. It should be parked
on a
level surface.
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.
7-45

Downloaded from www.Manualslib.com manuals search engine Ignition Ransmission Lock Check
While parked, and with the parking brake set, try to turn
the ignition key to
LOCK in each shift lever position.
0 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.
0 To check the PARK (P) mechanism’s holding ability:
With the engine running, shift to PARK
(P). Then
release all brakes.
7-46