1998 Chevrolet Astro Owner's Manual - Page 348
1998 Chevrolet Astro Manual
Page 348 highlights
I Short TripKity Maintenance Schedule I 30,000 Miles (50 000 km) (Continued) 0 For Two-Wheel-Drive vehicles only: Clean and repack the frontwheel bearings (or at each brake relining, whichever occurs first). Replace fuel filter. An Emission Control Service. (See footnote+.) 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°F (32°C) orhigher. - In hilly or mountainous terrain. - When doing frequent trailer towing. - Uses such as found in taxi, police or delivery service. I f you do not use your vehicle under anyof these conditions, change the fluid and.filter every50,000 miles (83 000 km). 0 Rotate tires. See "Tire Inspection and Rotation"in the Index for proper rotation pattern and additional information. (See footnote+.) 7-14