2003 Chevrolet Astro Owner's Manual - Page 332

57,000 Miles (95 000 km) 0 Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. B Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #-) 0 Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. U Change automatic transmission fluid and filter if the vehicle is mainly driven under oneor more ofthese conditions: - In heavy city traffic where the outside 60,000 Miles (100 000 km) 0 Change engine oil and filter (or every 3 months, 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. If you do not use your vehicle underany of these conditions, change the fluid and filter every 50,000 miles (83 000 km). 0 Replace fuel filter. An Emission Control Service. (See footnote f.) 0 Replace engine air cleaner filter. An Emission Control Service. 0 Rotate tires. See Tire Inspection and Rotation on page 5-64 for proper rotation pattern and additional information. (See footnote +.) whichever occurs first). An Emission Control Service. 0 Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) 0 Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. U For Two-Wheel-Drive vehicles only: Clean and repack the front wheel bearings (or at eachbrake relining, whichever occurs first). 6-13