1998 GMC Jimmy Owner's Manual - Page 341

Maintenance Schedule I Short TripKity Intervals Every 100,000 Miles (166 km): Spark Plug Wire 000 Inspection. Spark Plug Replacement. Positive Crankcase Ventilation (PCV) Valve Inspection. Every 150,000 Miles (240 000 km): Cooling System Service (or every 60 months, whichever occurs first). These intervals only summarize maintenance services. Be sure to follow the complete maintenance schedule on the following pages. 1L Long Tripmighway Intervals Every 7,500 Miles (12500 km): Engine Oil and Filter Change (or every 12 months, whichever occurs first). Chassis Lubrication (or every 12 months, whichever occurs first). Drive Axle Service. Tire Rotation. Every 15,000 Miles 000 km): Automatic (25 Transmission Service (severe conditions only). Every 30,000 Miles (50 000 km): Fuel Filter Replacement. Air Cleaner Filter Replacement. Every 50,000 Miles (83 000 km): Automatic Transmission Service (normal conditions). Every 60,000 Miles (100 km): Engine 000 Accessory Drive Belt Inspection. Fuel Tank, Cap and Lines Inspection. Every 100,000 Miles (166 km): Spark Plug Wire 000 Inspection. Spark Plug Replacement. Positive Crankcase Ventilation (PCV) Valve Inspection. Every 150,000 Miles (240 km): Cooling System 000 Service (or every 60 months, whichever OCCUTS first). These intervals only summarize maintenance services. Be sure tofollow the complete maintenance schedule on the following pages. I Lone 'I'ridHighway Definition Follow this maintenance schedule only if none of the conditions from the ShortTrip/City Maintenance Schedule is true. not usethis schedule if the vehicle Do is used for trailer towing, driven in a dusty area or used off paved roads. Use the ShortTrip/City schedule for these conditions. Driving a vehicle with afully warmed engine under highway conditions causes engine oil break to down slower. 7-6