1998 Buick Park Avenue Owner's Manual - Page 356

Follow this maintenance schedule only if none of the conditions from the Short Trip/City Maintenance Schedule is true. Do not use this schedule if the vehicle is used for trailertowing, driven in a dusty area orused of€paved roads. Use the Short TripKity schedule for these conditions. Driving a veizicie with a,fulky warnzed engine utzckQ~ hig/wctv cwatclition.,scausm C ~ I ~ ~ oilWto J brcnk down S ~ O M ~ G P : Every 7,500 Miles (12 500 km): Engine Oil and Filter Change (or every 12 months, whichever occurs first). Chassis Lubrication (or every 22 months, whichever occurs first). Tire Rotation. Every 15,000 Miles(25 000 km): Passenger Compartment Air Filter Replacement. Every 30,000 Miles (50 000 km): Supercharger Oil Check (or every 36 months, whichever occurs first) (3.8L Code I engine only). Air Cleaner Filter Repiacernent. Fuel Tank, Cap a d Lines Inspection. Every 50,000 Miles (83 000 km): Automatic Transaxle Service (severe conditi~ns oniy). Every 60,QOOMiles (100000 km): Engine Accessory Drive Belt Inspection. Every 100,000 Miles (166 QOO km): Spark Plug Wire Inspection. Spark Plug Replacement. 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 tofollow the complete maintenance schedule on the following pages.