2003 CHEVROLET ASTRO engine

Short Trip/City Scheduled Maintenance
The services shown in this schedule up to 100,000 miles
(166 000 km) should be repeated after IQ0,OOQ miles
(166 000 km) at the same intervals for the life of
this vehicle. The services shown at
150,000 miles
(240
000 km) should be repeated at the same interval
after
150,000 miles (240 000 km) for the life of this
vehicle.
See
Part B: Owner Checks and Services on page 6-26
and Part C: Periodic Maintenance Inspections on
page 6-30.
Footnotes
t 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, parking brake cable
guides and brake pedal springs.
+ A good time to check your brakes is during tire
rotation. See Brake System Inspection
on page 6-3 1.
3,000 Miles (5 000 km)
0 Change engine oil and filter (or every 3 months,
0 Lubricate chassis components (or every 3 months,
0 Check readfront axle fluid level and add fluid as
whichever
occurs first).
An Emission Control Service.
whichever occurs first). (See footnote #.)
needed. Check constant velocity joints and axle seals
for leaking.
6,000 Miles (IO 000 km)
0
0
0
0
Change engine oil and filter (or every 3 months,
whichever occurs first).
An Emission Control Service.
Lubricate chassis components (or every 3 months,
whichever occurs first).
(See footnote #.)
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 on
page 5-64
for proper rotation pattern and additional
information.
(See footnote +.)
9,000 Miles (15 000 km)
0 Change engine oil and filter (or every 3 months,
0 Lubricate chassis components (or every 3 months,
0 Check readfront axle fluid level and add fluid as
whichever
occurs first).
An Emission Control Service.
whichever occurs first). (See footnote #.)
needed. Check constant velocity joints and axle seals
for leaking.
6-7

12,000 Miles (20 000 km)
0 Change engine oil and filter (or every 3 months,
0 Lubricate chassis components (or every 3 months,
0 Check readfront axle fluid level and add fluid as
whichever
occurs first).
An Emission Control Service.
whichever occurs first). (See footnote #.)
needed. Check constant velocity joints and axle seals
for leaking.
page 5-64 for proper rotation pattern and additional
information.
(See footnote +.)
0 Rotate tires. See Tire lnspection and Rotation on
15,000 Miles (25 000 km)
0 Change engine oil and filter (or every 3 months,
whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components (or every 3 months,
whichever occurs first).
(See footnote #.)
CI Inspect engine air cleaner filter if you are driving in
dusty conditions. Replace filter
if necessary.
An Emission Control Service. (See footnote t.)
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.
- 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
50,000 miles (83 000 km).
18,000 Miles (30 000 km)
0 Change engine oil and filter (or every 3 months,
whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components (or every 3 months,
0 Check readfront axle fluid level and add fluid as
whichever
occurs first).(See
footnote #.)
needed. Check constant velocity joints and axle seals
for leaking.
0 Rotate tires. See Tire lnspection and Rotation on
page
5-64 for proper rotation pattern and additional
information.
(See footnote +.)
6-8

21,000 Miles (35 000 km) 7,000 Miles (45 000 km)
B Change engine oil and filter (or every 3 months, 0 Change engine oil and filter (or every 3 months,
d Lubricate chassis components (or every 3 months, U Lubricate chassis components (or every 3 months,
whichever
occurs first).
An Emission Control Service. whichever occurs first). An Emission Control Service.
whichever occurs first). (See footnote #.) whichever occurs first). (See footnote #.) ,I
U Check readfront axle fluid level and add fluid as B Check readfront axle fluid level and add fluid as
needed. Check constant velocity joints and axle seals
for leaking.
needed. Check constant
velocity joints and axle seals
for leaking.
30,000 Miles (50 000 km)
24,000 Miles (40 000 km) 0 Change enqine oil and filter (or every 3 months,
u
Change engine oil and filter (or every 3 months,
whichever &curs first). An Emission- Control Service.
Lubricate chassis components (or every 3 months, whichever
occurs first). (See footnote #.)
whichever OCCUrS first). An Emission Control Service. 0 Lubricate chassis components (or every 3 months,
whichever occurs first):
(See footnote #.)
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 on
page 5-64 for proper rotation pattern and additional
information.
(See footnote +.)
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).
(See footnote t.)
0 Replace fuel filter. An Emission Control Service.
B Replace engine air cleaner filter. An Emission Control
Service.
6-9

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 and filter every
50,000 miles (83 000 km),
U Rotate tires. See Tire Inspection and Rotation on
page 5-64
for proper rotation pattern and additional
information.
(See footnote +.)
33,000 Miles (55 000 km)
0 Change engine oil and filter (or every 3 months,
whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components (or every 3 months,
whichever occurs first).
(See footnote #.)
36,000 Miles (60 000 km)
D Change engine oil and filter (or every 3 months,
whichever occurs first).
An Emission Control Service.
U Lubricate chassis components (or every 3 months,
0 Rotate tires. See Tire Inspection and Rotation on
whichever occurs first). (See footnote #.)
page 5-64 for proper rotation pattern and additional
information.
(See footnote +.)
needed. Check constant velocity joints and axle seals
for leaking.
0 Check readfront axle fluid level and add fluid as
39,000 Miles (65 000 km)
0 Change engine oil and filter (or every 3 months,
0 Lubricate chassis components (or every 3 months,
tl Check readfront axle fluid level and add fluid as
whichever
occurs first).
An Emission Control Service.
whichever occurs first). (See footnote #.)
needed. Check constant velocity joints and axle seals
for leaking.
0 Check readfront axle fluid level and add fluid as
needed. Check constant velocity joints and axle seals
for leaking.
6-1 0

42,000 Miles (70 000 km)
CI Change engine oil and filter (or every 3 months,
whichever occurs first).
An Emission Control Service.
U Lubricate chassis components (or every 3 months,
whichever occurs first).
(See footnote #.)
c1 Check readfront axle fluid level and add fluid as
needed. Check constant velocity joints and axle seals
for leaking.
page 5-64 for proper rotation pattern and additional
information.
(See footnote +.)
0 Rotate tires. See Tire Inspection and Rotation on
45,000 Miles (75 000 km)
0 Change engine oil and filter (or every 3 months,
whichever occurs first).
An Emission Control Service.
Cl Lubricate chassis components (or every 3 months,
whichever occurs first).
(See footnote #.)
Cl Check readfront axle fluid level and add fluid as
needed. Check constant velocity joints and axle seals
for leaking.
CI For Two-Wheel-Drive vehicles only: Clean and repack
the front wheel bearings (or at each brake relining,
whichever occurs first).
U 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.
U Inspect engine air cleaner filter if you are driving
in dusty conditions. Replace filter
if necessary.
An Emission Control Service. (See footnote t.)
If you do not use your vehicle under any of these
conditions, change the fluid and filter every
50,000 miles (83 000 km).
6-1 1

48,000 Miles (80 000 km)
0 Change engine oil and filter (or every 3 months,
U Lubricate chassis components (or every 3 months,
U Check readfront axle fluid level and add fluid as
whichever
occurs first).
An Emission Control Service.
whichever occurs first). (See footnote #.)
needed. Check constant velocity joints and axle seals
for leaking.
page 5-64 for proper rotation pattern and additional
information.
(See footnote +.)
0 Rotate tires. See Tire lnspection and Rotation on
50,000 Miles (83 000 km)
0 If you haven’t used your vehicle under severe service
conditions listed previously and, therefore, haven’t
changed your automatic transmission fluid, change
both the fluid and filter.
0 Change transfer case fluid.
51,000 Miles (85 000 km)
0 Change engine oil and filter (or every 3 months,
whichever occurs first).
An Emission Control Service.
U Lubricate chassis components (or every 3 months,
whichever occurs first).
(See footnote #.)
U Check readfront axle fluid level and add fluid as
needed. Check constant velocity joints and axle seals
for leaking.
54,000 Miles (90 000 km)
0 Change engine oil and filter (or every 3 months,
U Lubricate chassis components (or every 3 months,
0 Check readfront axle fluid level and add fluid as
whichever
occurs first).
An Emission Control Service.
whichever occurs first). (See footnote #.)
needed. Check constant velocity joints and axle seals
for leaking.
page 5-64 for proper rotation pattern and additional
information.
(See footnote +.)
U Rotate tires. See Tire lnspection and Rotation on
6-1 2

57,000 Miles (95 000 km)
0 Change engine oil and filter (or every 3 months,
B Lubricate chassis components (or every 3 months,
0 Check readfront axle fluid level and add fluid as
whichever
occurs first).
An Emission Control Service.
whichever occurs first). (See footnote #-)
needed. Check constant velocity joints and axle seals
for leaking.
60,000 Miles (100 000 km)
0 Change engine oil and filter (or every 3 months,
whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components (or every 3 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.
U For Two-Wheel-Drive vehicles only: Clean and repack
the front wheel bearings (or at each brake relining,
whichever occurs first).
U 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 and filter every
50,000 miles (83 000 km).
0 Replace fuel filter. An Emission Control Service.
0 Replace engine air cleaner filter. An Emission
0 Rotate tires. See Tire Inspection and Rotation on
(See footnote
f.)
Control Service.
page
5-64 for proper rotation pattern and additional
information.
(See footnote +.)
6-1 3

63,000 Miles (105 000 km)
0 Change engine oil and filter (or every 3 months,
0 Lubricate chassis components (or every 3 months,
0 Check readfront axle fluid level and add fluid as
whichever
occurs first).
An Emission Control Service,
whichever occurs first). (See footnote #.)
needed. Check constant velocity joints and axle seals
for leaking.
66,000 Miles (1 10 000 km)
Cl Change engine oil and filter (or every 3 months,
0 Lubricate chassis components (or every 3 months,
c3 Check readfront axle fluid level and add fluid as
whichever
occurs first).
An Emission Control Service.
whichever occurs first). (See footnote #.)
needed. Check constant velocity joints and axle seals
for leaking.
page 5-64 for proper rotation pattern and additional
information.
(See footnote +.)
0 Rotate tires. See Tire lnspection and Rotation on
69,000 Miles (115 000 km)
0 Change engine oil and filter (or every 3 months,
0 Lubricate chassis components (or every 3 months,
0 Check readfront axle fluid level and add fluid as
whichever
occurs first).
An Emission Control Service.
whichever occurs first). (See footnote #,)
needed. Check constant velocity joints and axle seals
for leaking.
72,000 Miles (120 000 km)
0 Change engine oil and filter (or every 3 months,
c1 Lubricate chassis components (or every 3 months,
0 Check readfront axle fluid level and add fluid as
whichever
occurs first).
An Emission Control Service.
whichever occurs first). (See footnote #.)
needed. Check constant velocity joints and axle seals
for leaking.
page 5-64 for proper rotation pattern and additional
information.
(See footnote +.)
0 Rotate tires. See Tire lnspection and Rotation on
6-1 4