1998 Chevrolet Astro Owner's Manual - Page 364
1998 Chevrolet Astro Manual
Page 364 highlights
1 Long Tripmighway Maintenance Schedule 7,500 Miles (12 500 km) r DATE 0 Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. 0 Lubricate chassis components (or every 12 months, whichever occurs first). (See footnote #.) 0 Check readfront axle fluid level and add fluidas needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) 0 Rotate tires. See "Tire Inspection and Rotation" in the Index proper for rotation pattern and additional information. (See footnote +.) 1 15,000 Miles (25 000 km) 0 Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. 0 Lubricate chassis components (or every 12 months, whichever occurs first). (See footnote #.) 0 Check readfront axle fluid level and add fluidas needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) 0 Change automatic transmission fluid and filter if the vehicle is mainly driven under one ormore of these conditions: - In heavy city traffic where the outside temperature regularly reaches 90°F (32°C) or higher. - In hilly or mountainous terrain. DATE I 7-30