1997 Pontiac Grand Prix Owner's Manual - Page 350

Maintenance Schedule Follow this maintenance schedule only if none of the conditions from the Short TripKityMaintenance Schedule is true.Do not use this schedule 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 f i l l y warmed engine under Every 7,500 Miles (12 500 km): Engine Oil and Filter Change (or every I 2 months, whichever occurs first). Tire Rotation. 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. highway conditions causes engine oil to break down slowel: Every 50,000 Miles (83 000 km): Automatic Transaxle Service (severe conditions only). Every 60,000 Miles (I00 000 km): Engine Accessory Drive Belt Inspection. Every 100,000 Miles (166 000 km): Spark Plug Wire Inspection. Spark Plug Replacement. Every 150,000 Miles (240 000 km): Cooling System Service (orevery 60 months, whichever occurs first). These intervals only summarize maintenance services. Be sure to follow the complete maintenance schedule on the fo Zlowing pages. 7-6