1997 Chevrolet Express Van Owner's Manual - Page 308

Maintenance Schedule Short TripKity Definition -- Gasoline Engines Short TripKity Intervals Gasoline Engines -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 occursfirst). Every 6,000 Miles (10 000 km): Tire Rotation. Every 15,000 Miles 000 km): Air Cleaner Filter (25 Inspection, if driving in dusty conditions. Shieldsand Underhood Insulation Inspection (GVWR above 8,500 lbs. only). Front Wheel Bearing Repack (or at each brake relining, whichever occurs first). Every 30,000 Miles (50 000 km): Air Cleaner Filter Replacement. Fuel Filter Replacement. Every 50,000 Miles(83 000 km): Automatic Transmission Service (vehicles over8600 GVWR or driven under severe conditions only). Every 60,000 Miles (100000 km): Engine Accessory Drive Belt Inspection. Fuel Tank, Cap and Lines Inspection. Exhaust Gas Recirculation System Inspection. Evaporative ControlSystem Inspection. Follow the Short Trip/City Maintenance Schedule if any one of these conditionsis true foryour vehicle: 0 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 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 other commercial application. 0 0 0 0 One o the reasons you should follow this scheduleif f you operate your vehicle under anyof these conditions is that these conditions cause engine to break oil down soonel: