Chevrolet 1997 Astro Owner's Manual page 344

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Short Trip/City Maintenance Schedule
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40,000 Miles (100 000 km) (Continued)
- In heavy city traffic where the outside
temperature regularly reaches 90
O 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$uid and filter every
30,000 miles (50 000 km).
El
Inspect engine accessory drive belt.
0
Replace fuel filter.
An Emission Control Service.
(See footnote?.)
0
Replace air cleaner filter.
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 Service.
(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.
DATE ACTUAL MILEAGE SERVICED B Y
7-20