1998 Chevrolet Venture Owner's Manual - Page 408

Maintenance Schedule I Short Trip/City Definition 1 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 (10000 km): Chassis Lubrication (or 6 months, whichever occurs first). Tire Rotation. Every 12,000 Miles (20 000 km): Passenger Compartment Air Filter Replacement. Every 15,000 Miles(25 000 km): Air Cleaner Filter Inspection, if driving in dusty conditions. Every 30,000 Miles (50 000 km): Air Cleaner Filter Replacement. Every 50,000 Miles (83 000 k m ) :Automatic Transaxle Service (severe conditions only). Every 60,000 Miles (100000 km): Engine Accessory Drive Belt Inspection. Fuel Tank, Cap and Lines Inspection (or every60 months, whichever occurs first). Every 100,000 Miles (166 000 km): Spark Plug Wire Inspection. Spark Plug Replacement. (Continued) ' I-3 U F Follow the Short TripKity Maintenance Schedule if any one of these conditions is true for your vehicle: Most trips are less than5 to 10 miles (8 to 16 krn). This is particularly important when outside temperatures are below freezing. 0 Most trips include extensive idling (such as frequent driving in stop-and-go traffic). Most trips are through dusty areas. You frequently tow a traileror use a carrieron top of your vehicle. If the vehicle isused for delivery service, police, taxi or othercommercial application. 0 One of the reasonsyou should follow this scheduleif you operate your vehicle under any of these conditions is that these conditions cause engine oil to break down soonex