1997 Chevrolet Blazer Owner's Manual - Page 324

Maintenance Schedule I Short TripKity Definition Short TripKity Intervals ~- Follow the Short TripKity Maintenance Schedule any if one of these conditions is true for your vehicle: 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). You operate your vehicle in dusty areas or off-road frequently. 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. One of the reasonsyou should follow this schedule f you i operate your vehicle under any of these conditions is that these conditions cause engineoil to break down sooney: I Short TripKity Intervals Every 3,000 Miles (5000 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 (10 000 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 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 (severe conditions only). Every 60,000 Miles (100 000km): 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 (240000 km): Cooling System Service (or every 60 months, whichever occurs first). These intervals only summarize maintenance services. Be sure tofollow thecomplete maintenanceschedule on the following pages.