1998 Buick Skylark Owner's Manual - Page 293

I Maintenance Schedule Follow this maintenance schedule only if none of the conditions from the Short TripKity Maintenance Do if Schedule is true. not use this schedule the vehicle is used for trailer towing, drivenin a dusty area or used off paved roads. Use Short TripKity schedule for the these conditions. Driving a vehicle with a fully warmed engine under highway conditions causes engine oil break to down slower: Every 7,500 Miles'(12500 km): Engine Oil and Filter Change (or every12 months, whichever occursfirst). Chassis Lubrication(or every 12 months, whichever occurs first). Tire Rotation. Every 30,000 Miles (50 000 k ) Air Cleaner Filter m: Replacement. Fuel Tank, Cap and Lines Inspection. Every 50,000 Miles (83 000 km): Automatic Transaxle Service (severe conditions only). Every 60,000 Miles (100 000 k ) Engine Accessory m: Drive Belt Inspection. Every 100,000 Miles(166 000 k ) Spark Plug Wire m: Inspection. Spark Plug Replacement. Every 150,000 Miles (240 k ) Cooling System 000 m : 60 Service (or every months, whichever occursfirst). These intervalsonly summarize maintenance services. Be sure to follow complete maintenance schedule the on the following pages. 7-6