1996 Chevrolet Express Van Owner's Manual - Page 306

Maintenance Schedule I Long TripMighway Intervals -- -- Gasoline En 1,ong 'lrip/Highn.ay Intervals -- Gasoline Engines Every 7,500 Miles (12 500 km): Engine Oil and Filter Change (orevery 12 months, whichever occurs first). Chassis Lubrication (or every 12 months, whichever occurs first). Drive Axle Service. At 7,500 Miles (12 500 km) Then Every 000 15,000 Miles (25 km): Tire Rotation. Every 60,000 Miles (100 000 km): Engine Accessory Drive Belt Inspection. Fuel Tank, Cap and Lines Inspection. Exhaust Gas Recirculation System Inspection. Evaporative Control System Inspection. Every 100,000 Miles (166 000 km): Cooling System Service (or every 60 months, whichever occurs first). Spark Plug Wire Inspection. Spark Plug Replacement. Positive Crankcase Ventilation (PCV) Valve Inspection. These intervals only summarize maintenance services. Be sure to follow the complete maintenance schedule on the following pages. Every 15,000 Miles (25 000 km): Shields and Underhood Insulation Inspection (GVWR above 8,500 lbs. only). Thermostatically Controlled Engine Cooling Fan Check (or every 12 months, whichever occurs first). Every 30,000 Miles (50 000 km): Fuel Filter Replacement. Air Cleaner Filter Replacement. Front Wheel Bearing Repack (or at each brake relining, whichever occurs first). Every 50,000 Miles (83 000 km): Automatic Transmission Service (vehicles over8600 GVWR or driven under severe conditions only).