Chevrolet 1997 Astro Owner's Manual page 337

I
Short 6iplCity Maintenance Schedule
I
30,000 Miles (50
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
#.)
17
Check readfront axle fluid level and add
fluid as needed. Check constant velocity
joints and axle seals for leaking.
(See footnote
* *
.)
0
For Two-Wheel-Drive vehicles only: Clean
and repack the front wheel bearings (or at
each brake relining, whichever occurs first).
0
Replace fuel filter.
An Emission Control Service.
0
Replace air cleaner filter.
An Emission Control Service.
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.
(See footnote?.)
(Continued)
7-13