1998 GMC Safari Owner's Manual - Page 339

Maintenance Schedule 1 Short Trip/City Definition Most trips are less than 5 to 10 miles (8 to 16 km). This is particularly important when outside temperatures are below freezing. Most trips include extensive idling (such frequent as driving in stop-and-go traffic). 0 - I Short TripKity Intervals Every 3,000 Miles (5 000 km): Engine Oil and Filter Change (or 3 months, whichever occurs first). Chassis Lubrication (or 3 months, whichever occurs first). Drive Axle Service (or 3 months, whichever occurs first). Every 6,000 Miles (10 k ) Tire Rotation. 000 m : Every 15,000 Miles 000 km): Air Cleaner Filter (25 Inspection, if driving in dusty conditions. Front . Wheel Bearing Repack (2WD only) (or at each brake relining, whichever occurs first). Automatic Transmission Service (severe conditions only). Every 30,000 Miles (50 000 km): Air Cleaner Filter Replacement. Fuel Filter Replacement. Every 50,000 Miles (83 000km): Automatic Transmission Service (normal conditions). Every 60,000 Miles (100 km): Engine 000 Accessory Drive Belt Inspection. Fuel Tank,. Cap and Lines Inspection. Follow the Short TripKity Maintenance Scheduleif any one of these conditionsis true for your vehicle: Most trips are through dusty areas. You frequently tow a trailer or usea carrier on top of your vehicle. If the vehicle is usedfor delivery service, police, taxi or other commercial application. 0 One o the reasons you should follow this scheduleif f you operate your vehicle under any these conditions of is that theseconditions cause engine oil to break down sooneK 7-5