1998 Pontiac Bonneville Owner's Manual - Page 325

Maintenance Schedule I Long TripMighway Definition ILong TripMighway. Intervals ~ ~~~~ Follow this maintenance scheduleonly if none of the Every 7,500 Miles (12500 k ) Engine Oil and Filter m: conditions from the Short TripKity Maintenance Change (or every12 months, whichever occurs first). Chassis Lubrication (or every12 months, whichever Schedule is true. Do not use this schedule if the vehicle occurs first). Tire Rotation. is usedfor trailer towing, driven in a dusty area or used off paved roads, Use the Short TripKity schedule for Every 30,000 Miles (50 OOO km): Supercharger Oil these conditions. Check (or every36 months, whichever occurs first) (3.8L Code 1 engine only). Air Cleaner Filter Driving a vehicle with a filly warmed engine under Replacement. Fuel Tank, Cap and Lines Inspection. highway conditions causes engine oil to break down slower: Every 50,000 Miles (83 OOO km): Automatic Transaxle Service (severe conditions only). Every 60,000Miles (100 000 km): Engine Accessory Drive Belt Inspection. Every 100,000Miles (166 000 km):Spark Plug Wire Inspection. Spark Plug Replacement. Every 150,000 Miles(240 000 km):Cooling System Service (or every60 months, whichever occurs fist). These intervals only summarize maintenanceservices. Be sure to follow the complete maintenance schedule on the following pages.