2003 GMC Safari Owner's Manual - Page 344

97,500 Miles (162 500 km) 0 Change engine oil and filter (or every 12 months, whichever occurs first).An EmissionControl Service. 0 Lubricate chassis components (or every 12 months, whichever occurs first). (See footnote #). 0 Check readfront axle fluid level and add fluid as needed. Checkconstant velocity joints and axle seals for leaking. 0 Rotate tires. See Tire hspection andRotation on page 5-64 for proper rotation pattern and additional information. (See footnote +). 150,000 Miles (240 000 km) 0 Drain, flush and refill cooling system (or every 60 months since last service, whichever occurs first). See Engine Coolant on page 5-28 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. 0 Inspect engine accessory drive belt. An Emission Control Service. 100,000 Miles (166 000 km) U Inspect spark plug wires. An Emission Control Service. C Replace spark plugs. An Emission Control Service. l D If you haven't used your vehicle under severe service conditions listed previously and, therefore, haven't changed your automatic transmission fluid, change both the fluid and filter. 0 Change transfer case fluid. 0 Inspect Positive Crankcase Ventilation (PCV) valve. An Emission Control Service. 6-25