1997 Buick Park Avenue Owner's Manual - Page 350

Maintenance Schedule I Short Trip/City Intervals Every 150,000 Miles (240 000 k ) Cooling System m: Service (or every 60 months, whichever occurs first). These intervals only summarize maintenance services. Be sure to follow complete maintenance schedule on the the following pages. I Every 7,500 Miles (12500 km):Engine ull and Filter Change (or every 12 months, whichever occurs fist). Chassis Lubrication (or every 12 months, whichever occurs first). Tire Rotation. Every 15,000 Miles (25 000 k ) Passenger m: Compartment Air Filter Replacement. Every 30,000 Miles (50 000 km): Supercharger Oil Check (or every 36 months, whichever occurs first) (3.8L Code 1 engine only). Air Cleaner Filter 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 km):Engine Accessory Drive BeltInspection. Every 100,000 Miles (166000 k ) Spark Plug Wire m: Inspection. Spark Plug Replacement. Every 150,000 Miles (240 k ) Cooling System 000 m : Service (or every 60 months, whichever occurs first). These intervals only summarize maintenance services. Be sure to follow complete maintenance schedule on the the following pages. * Follow this maintenance schedule only if none of the conditions from the ShortTrip/City Maintenance Schedule is true. Do not use this schedule if the vehicle is used for trailer towing, driven in a dusty area orused off paved roads. Use the ShortTrip/City schedule for these conditions. Driving a vehicle with a fully warmed engine under highway conditions causes engine oil to break down slowel: