2005 Chevrolet Astro Owner's Manual - Page 329
2005 Chevrolet Astro Manual
Page 329 highlights
− 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). ❑ Replace fuel filter. An Emission Control Service. (See footnote †.) ❑ Rotate tires. See Tire Inspection and Rotation on page 5-65 for proper rotation pattern and additional information. (See footnote +.) 99,000 Miles (165 000 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 #.) 100,000 Miles (166 000 km) ❑ Inspect spark plug wires. An Emission Control Service. ❑ Replace spark plugs. An Emission Control Service. ❑ 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. ❑ Inspect Positive Crankcase Ventilation (PCV) valve. An Emission Control Service. 93,000 Miles (155 000 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 #.) 96,000 Miles (160 000 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 +.) 150,000 Miles (240 000 km) ❑ Drain, flush and refill cooling system (or every 60 months since last service, whichever occurs first). See Engine Coolant on page 5-26 for what to use. Inspect hoses. Clean radiator, condenser, pressure cap and neck. Pressure test cooling system and pressure cap. An Emission Control Service. ❑ Inspect engine accessory drive belt. An Emission Control Service. 6-15