1996 Buick Century Owner's Manual

Maintenance Scl aule1 Short Trip/City Definition 1Follow the Short Trip/City Maintenance Schedule if anyone of these conditions is true for your vehicle:aaaaMost trips are less than 5 to 10 miles (8 to 16 km).This is particularly important when outsidetemperatures are below freezing.Most trips include extensive idling (such as frequentdriving in stop-and-go traffic).Most trips are through dusty areas.You frequently tow a trailer or use a carrier on top ofyour car. (With some models, you should never tow atrailer. See “Towing a Trailer” in the Index.)0 If the vehicle is used for delivery service, police, taxior other commercial application.One of the reasons you should follow this schedule ifyou operate your vehicle under any of these conditionsis that these conditions cause engine oil to breakdown sooneE7-4Short Trip/City Intervals-Every 3,000 Miles (5 000 km): Engine Oil and FilterChange (or 3 months, whichever occurs first).Every 6,000 Miles (10 000 km): Chassis Lubrication(or 6 months, whichever occurs first).At 6,000 Miles (10 000 km) -- Then Every12,000 Miles (20 000 km): Tire Rotation.Every 15,000 Miles (25 000 km): Air Cleaner FilterInspection, if driving in dusty conditions.Every 30,000 Miles (50 000 km): Air Cleaner FilterReplacement. Fuel Tank, Cap and Lines Inspection.Exhaust Gas Recirculation (EGR) System Inspection(2.2L Code 4 engine only).Every 50,000 Miles (83000 km): Automatic TransaxleService (severe conditions only).Every 60,000 Miles (100 000 km): Engine AccessoryDrive Belt Inspection.Every 100,000 Miles (166 000 km): Cooling SystemService (or every 60 months, whichever occurs first).Spark Plug Wire Inspection. Spark Plug Replacement.These intervals only summarize maintenance services.Be sure to follow the complete maintenance schedule onthe following pages.