1997 Oldsmobile Silhouette Owner's Manual - Page 368

Maintenance Schedule Long TridHiehwav Definition Follow this maintenance schedule only if none of the conditions from the Short Trip/City Maintenance Schedule istrue. Do not use thisschedule if the vehicle is used for trailer towing, driven in a dusty area or used off paved roads. Use the Short Trip/City schedule for these conditions. Driving a vehicle with a fully warmed engine under highway conditions causes engine to oil break down slowex I Long Tripmighway 1 Intervals m Every 7,500 Miles (12500 km): Engine Oil and Filter Change (orevery 12 months, whichever occurs first). Tire Rotation. Every 15,000 Miles (25 km): Passenger 000 Compartment Air Filter Replacement. Every 30,000 Miles (50 000 k ) Air Cleaner Filter m: Replacement. Every 50,000 Miles (83 000 km): Automatic Transaxle Service (severe conditions only). Every 60,000 Miles(100 000 km): Engine Accessory Drive Belt Inspection. FuelTank, Cap and Lines Inspection (or every60 months, whichever occurs first). Every 100,000 Miles (166000 km): Spark PlugWire Inspection. Spark PlugReplacement. 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 complete maintenance schedule the on the following pages. 1 7-6