1997 Buick Skylark Owner's Manual - Page 302

Maintenance Schedule Trip/City I Short Definition I Short Trip/City Intervals Every 3,000 Miles (5 000 km): Engine Oil and Filter Change (or 3 months, whichever occurs first). Every 6,000 Miles (10 000 km): Chassis Lubrication (or 6 months, whichever occurs first). Tire Rotation. Follow the Short Trip/City Maintenance Schedule any if one of these conditionsis true for your vehicle: 0 Most trips are less than to 10 miles (8 to 16 km). 5 This is particularly important when outside temperatures are below freezing. 0 Every 15,000 Miles (25 000 km): Air Cleaner Filter Most trips include extensive idling (such as frequent Inspection, if driving in dusty conditions. driving in stop-and-go traffic). Every 30,000 Miles (50 000 km): Air Cleaner Filter Replacement. Fuel Tank, Cap and Lines Inspection. You frequently tow a trailer or use carrier on top a of your vehicle. (With some models, you should never tow a trailer. See "Towing a Trailer"in the Index.) If the vehicle is used delivery service,police, taxi for or other commercial application. 0 Most trips are through dusty areas. 0 Every 50,000 Miles (83 000 km): Automatic Transaxle Service (severe conditions only). Every 60,000 Miles (100000 km): Engine Accessory Drive Belt Inspection. Every 100,000 Miles (166 000 km): Spark Plug Wire Inspection. Spark Plug Replacement. Every 150,000 Miles (240 000 km): Cooling System 60 Service (or every months, whichever occurs first). These intervals only summarize maintenance services. Be sure tofollow the complete maintenance schedule on the following pages. n 0 One of the reasons you should follow this schedule if you operate your vehicle under any of these conditions is that these conditions cause engine oil to break down sooner. 'I-3 v