1997 Chevrolet Astro Owner's Manual - Page 362

Long Trip/Highway Maintenance Schedule 67,500Miles (112 500 km) 0Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. 75,000 Miles (125 000 km) 0Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. 0Lubricate I chassis components (or every 0Lubricate chassis components (or every 12 months, whichever occursfirst). 12 months, whichever occurs first). (See footnote #.) (See footnote #.) 0Check readfront axle fluid level and add fluid 0Check readfront axle fluid level and add as needed. Check constant velocity joints and fluid as needed. Check constant velocity axle seals for leaking.(See footnote **.) joints and axle seals forleaking. (See footnote ** .) 0Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation 0Change automatic transmission fluid and pattern and additional information. filter if the vehicle is mainly driven under (See footnote +.) one or more of these conditions: - In heavy city traffic where the outside DATE ACTUAL MILEAGE BY: temperature regularly reaches O F 90 (32°C) or higher. I ISERVICED I 7-38