1998 Chevrolet Tracker Owner's Manual - Page 317
1998 Chevrolet Tracker Manual
Page 317 highlights
Short Trip/City Maintenance Schedule 30,000 Miles (50 000 km) (Continued) if 0 Change automatic transmission fluid and filter 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. I f you do not useyour vehicle under any of these conditions, change the fluid and filter every 100,000 miles (166 000 km). Rotate tires. See "Tire Inspection and Rotation" the Index for proper in rotation pattern and additional information. (See footnote +.) Change manual transmission fluid. CI Change transfercase fluid. 0 Change differential fluid. Inspect the valve lash and adjust if necessary. An Emission Control Service. Replace fuelfilter (or every 30 months, whichever occurs first, or sooner if filter is clogged). An Emission Control Service.(See footnote"f ) it to 0 Check engine idle speed and adjust underhood label specifications. An Emission Control Service.(See footnote?.) 7-14