2004 Chevrolet S10 Pickup Owner's Manual - Page 380

❑ Replace fuel filter. An Emission Control Service. (See footnote †.) ❑ Replace engine air cleaner filter. See Engine Air Cleaner/Filter on page 5-18 for more information. An Emission Control Service. ❑ Rotate tires. See Tire Inspection and Rotation on page 5-74 for proper rotation pattern and additional information. (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. ❑ Inspect Positive Crankcase Ventilation (PCV) valve. An Emission Control Service. 97,500 Miles (162 500 km) ❑ Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. ❑ Lubricate chassis components (or every 12 months, whichever occurs first). (See footnote #.) ❑ Check rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) ❑ Rotate tires. See Tire Inspection and Rotation on page 5-74 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 5-23 for what to use. Inspect hoses. Clean radiator, condenser, pressure cap and neck. Pressure test the cooling system and pressure cap. An Emission Control Service. ❑ Inspect engine accessory drive belt. An Emission Control Service. 6-24