1998 Pontiac Firebird Owner's Manual - Page 330

Maintenance Schedule Short Trip/City Definition Follow the Short TripKity Maintenance Schedule if any one of these conditions true for your vehicle: is Most trips are less than to 10 miles (8 to 16 km). 5 This is particularly important when outside temperatures are below freezing. 0 Short TripKity Intervals Every 3,000 Miles (5 000 km): Engine Oil and Filter Change (or 3 months, whichever occurs first). Every 6,000 Miles (10 000 km): Tire Rotation. Every 6,000 Miles (10 000 km) of Trailering: Rear Axle Fluid Change (Vehicles Towing Trailers). At the First6,000 Miles (10 000km): Rear Axle Fluid Change (Limited-Slip Differential). Every 15,000 Miles (25 000 km): Air Cleaner Filter Inspection, if driving in dusty conditions.Automatic Transmission Service(severe conditions only). Every 30,000 Miles (50 000 km): Air Cleaner Filter Replacement. Fuel Tank, and Lines Inspection. Cap Every 50,000 Miles (83 000 km): Automatic Transmission Service(normal conditions). Every 60,000 Miles (100 000 km): Engine Accessory Drive Belt Inspection. Most trips include extensive idling (such frequent as driving in stop-and-go traffic). Most trips are through dusty areas. You frequently tow a traileror use a carrier on topof your vehicle. If the vehicle is used delivery service, police, taxi for or other commercial application. 0 0 0 One o the reasonsyou should follow this schedule if f you operate your vehicle under any of these conditions is that these conditions cause engine oil to break down soonez 7-5