1997 GMC Safari Owner's Manual - Page 329

Maintenance Schedule Trip/City I Short Definition I Short Trip/City Intervals Every 6,000 Miles (10 000 km): Tire Rotation. Every 15,000 Miles (25 000 km): Air Cleaner Filter Inspection, if driving in dusty conditions. Front Wheel Bearing Repack (2WD only) (or ateach 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. Automatic Transmission Service (normal conditions). Every 60,000 Miles (100 000 km): Engine Accessory Drive Belt Inspection. Fuel Tank, Cap and Lines Inspection. Every 100,000 Miles (166 000 km): Spark Plug Wire Inspection. Spark Plug Replacement. Positive Crankcase Ventilation (PCV) Valve Inspection. Every 150,000 Miles (240 km): Cooling System 000 Service (or every60 months, whichever occurs first). These intervals only sunznzarize maintenance services. complete maintenance schedule Be sure to*follow the on the following pages. Follow the Short Trip/City Maintenance Schedule if any one of these conditionsis true for your vehicle: Most trips are less than 5 to 10 miles (8 to 16 km). This isparticularly important when outside temperatures are below freezing. Most trips include extensive idling (such as frequent driving in stop-and-go traffic). Most trips are through dusty areas. You frequently tow a trailer or use a carrier on top of your vehicle. If the vehicle is used for delivery service, police, taxi or othercommercial application. One of the reasons you should follow this schedule if you operute yo~irvelyicle under- o these conditions is that any f these conditionscause engine oil to break down soone'): I Short TripKity Intervals I Every 3,000 Miles (5 000 km): Engine Oil and Filter Change (or 3 months, whichever occurs first). Chassis Lubrication (or 3 months, whichever occursfist). Drive Axle Service (or3 months, whichever occursfirst).