2005 Chevrolet Astro Owner's Manual - Page 325

❑ 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) 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 under any of these conditions, change the fluid and filter every 50,000 miles (83 000 km). 50,000 Miles (83 000 km) ❑ If you have not used your vehicle under severe service conditions listed previously and, therefore, have not changed your automatic transmission fluid, change both the fluid and filter. ❑ Change transfer case fluid. 51,000 Miles (85 000 km) ❑ Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. ❑ Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) 48,000 Miles (80 000 km) ❑ Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. ❑ Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) ❑ Rotate tires. See Tire Inspection and Rotation on page 5-65 for proper rotation pattern and additional information. (See footnote +.) 54,000 Miles (90 000 km) ❑ Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. ❑ Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) ❑ Rotate tires. See Tire Inspection and Rotation on page 5-65 for proper rotation pattern and additional information. (See footnote +.) 6-11