2005 GMC Safari Owner's Manual - Page 325

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 #.) 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. 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 5-64 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 5-27 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. 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 #.) 6-15