Chevrolet 1997 Astro Owner's Manual page 338

I
Short 'MplCity Maintenance Schedule
I
30,000 Miles (50 000 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
o f
these
conditions, change the fluid and filter every
30,000 miles (50 000 km).
I3 Rotate tires. See "Tire Inspection and
Rotation" in the Index for proper rotation
pattern and additional information.
(See footnote
+.)
I
DATE ACTUAL MILEAGE SERVICED BY:
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
#.)
0
Check readfront axle fluid level and add
fluid as needed. Check constant velocity
joints and axle seals for leaking.
(See footnote
*
*.)
DATE ACTUAL MILEAGE SERVICED BY:
7-14