check engine CHEVROLET ASTRO 1996 Workshop Manual

Long Tripmighway Maintenance Schedule
The services sbown in this schedule up to 100,000 miles
(166
000 km) should be performed after 100,000 miles
(166 000 km) at the same, intervals.
Footnotes
The U.S. Environmental Protection Agency or the
California Air Resources Board has determined that the
failure to perform this maintenance item will not
nullify
the emission warranty or limit recall liability prior to the
completion of the vehicle’s useful life. We, however,
urge that all recommended maintenance services be
performed at the indicated intervals and the maintenance
be recorded.
# Lubricate the front suspension, ball joints and
kingpin bushings, steering linkage and transfer case
shift linkage, parking brake cable guides and brake
pedal springs.
** Drive axle service:
0
0
0
Locking Differential -- Drain fluid and refill at first
engine
oil change. At subsequent oil changes, check
fluid level and add fluid as needed. If driving in
dusty areas or towing a trailer, drain fluid and refill
every
15,000 miles (25 000 km).
Standard Differential
-- Check fluid level and add
fluid as needed at every engine
oil change. If driving
in dusty areas or towing a trailer, drain fluid and
refill every 15,000 miles
(25 000 km).
More frequent lubrication may be required for
heavy-duty use.
7-29

7,500 Miles (12 500 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components; see footnote ##
(or every 12 months, whichever occurs first).
0 Check readfront axle fluid level and add fluid
as needed. Check constant .velocity joints
and
axle seals for leaking. **
0 Rotate tires. See “Tire Inspection 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
DroDer calker service txocedures.
15,000 Miles (25 000 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components; see
1 occurs first).
0 Check readfront axle fluid level-and add
fluid as needed. Check constant velocity
joints and axle seals for leaking.
**
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°F
(32 O C) or higher.
footnote
# (or every 12 months, whichever
7-30.

Long Trip/Higl
- 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 oj
these conditions, change the fluid and filter every
30,000 miles (50 000 km).
DATE ACTUAL MILEAGE SERVICED BY I
22,500 Miles (37 500 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components; see footnote ##
(or every 12 months, whichever occurs first).
0 Check readfront axle fluid level and add fluid
as needed. Check constant velocity joints and
axle seals for leaking.
**
0 Rotate tires. See “Tire Inspection 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
proper caliper service procedures.
7-31

I Long Tripmighway Maintenance Schedule
30,000 Miles (50 000 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components; see
footnote
# (or every 12 months, whichever
occurs first).
0 Chekk readfront axle fluid level and add
fluid
as needed. Check constant velocity
joints and axle seals for leaking.
**
0 For Two-Wheel-Drive vehicles only: Clean
and repack
the front wheel bearings (or at
each ,brake relining, whichever occurs first)
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 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 andfilter 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:
7-32

37,500 Miles (62 500 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components; see footnote #
(or every 12 months, whichever occurs first).
0 Check readfront axle fluid level and add fluid
as needed. Check constant velocity joints and
axle seals for leaking.
**
0 Rotate tires. See “Tire Inspection 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
proper caliper service procedures.
45,000 Miles (75 000 km)
0 Change engine oil and filter (or e J ,veri
12 months, whichever occurs first).
0 Lubricate chassis components; see
An Emission Control Service.
footnote # (or every 12 months, whichever
occurs first).
0 Check readfront axle fluid level and add
fluid
as needed. Check constant velocity
joints and
axle seals for leaking. **
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°F
(32°C) or higher.
(Continued)
7-33

LI lg TriplHighway Maintenance Schedule 1
45,000 Miles (75 000 km) (Continued)
- 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 OJ
these conditions, change the fluid andfilter every
30,000 miles (50 000 km).
I DATE ACTUAL MILEAGE SERVICED BY:
52,500 Miles (87 500 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components; see footnote #
(or every 12 months, whichever occurs first).
0 Check readfront axle fluid level and add fluid
as needed. Check constant velocity joints and
axle seals for leaking.
**
Rotate tires. See “Tire Inspection 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
proper caliper service procedures.

Long Trip/Highway Maintenance Schedule I
60,000 Miles (100 000 km)
'17 Change engine oil and filter (or every
12 months, whichever occurs first).
0 Lubricate chassis components; see
An Emission Control Service.
footnote ## (or every 12 months, whichever
occurs first).
0 Check readfront axle fluid level and add
fluid as needed. Check constant velocity
joints and axle seals for leaking.
**
17 For Two-Wheel-Drive vehicles only: Clean
and repack the front wheel bearings (or at
each brake relining, whichever occurs first).
Ch ange 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 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).
(Continued)
7-35

60,000 Miles (1 00 000 km) (Continued)
0 Inspect engine accessory drive belt.
0 Replace fuel filter.
An Emission Control Service.?
0 Replace air cleaner filter.
An Emission Control Service.
0 Inspect fuel ‘tank, cap and lines for damage
or leaks. Inspect fuel cap gasket for
any
damage. Replace parts as needed.’
An Emission Control Seniice.
67,500 Miles (112 500 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components; see footnote ##
(or every 12- months, whichever occurs first). ,
0 Check readfront axle fluid level and add fluid
as needed. Check constant velocity joints and
axle seals for leaking.
**
0 Rotate tires. See “Tire Inspection 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
proper caliper service procedures.
DATE ACTUAL MILEAGE SERVICED BY: 4
,

75,000 Miles (125 000 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
0 Lubricate chassis components; see
An Emission Control Service.
footnote ## (or every 12 months, whichever
occurs first).
0 Check readfront axle fluid level and add
fluid
as needed. Check constant velocity
joints and axle seals for leaking.
**
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" F
(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 andfilter every
30,000 miles (50 000 km).
Long Tripmighway Maintenance Schedule
t
ACTUAL MILEAGE SERVICED BY:
7-37

I Long Trip/Highway Maintenance Schedule
82,500 Miles (137 500 km)
Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components; see footnote ##
(or every 12 months, whichever occurs first).
0 Check readfront axle fluid level and add fluid
as needed. Check constant velocity joints and
axle seals for leaking.
**
0 Rotate tires. See “Tire Inspection 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
proper caliper service procedures.
I
ACTUAL MILEAGE SERVICED BY:
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; see
footnote
# (or every 12 months, whichever
occurs first).
0 Check readfront axle fluid level and add
fluid as needed. Check constant velocity
joints and axle seals for leaking.
**
0 For Two-Wheel-Drive vehicles only: Clean
and repack
the front wheel bearings (or at
each brake relining, whichever occurs first)
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°F
(32°C) or higher.