1995 Pontiac Bonneville Owner's Manual - Page 273

Maintenance Schedule Schedule I Definition Follow Maintenance Schedule I if any one of these is true for your vehicle: e Most trips are less than 5 to 10 miles (8 to 16 km). Schedule I Intervals Every 6,000 Miles (10 000km) or 6 months, Whichever Occurs First Chassis Lubrication At 6,0010 Miles (10 000 km) Then Every 12,000 Miles (25 000 km) Tire Rotation 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 FilterReplacement Spark PlugReplacement Spark PlugWire Inspection Fuel Tank, Cap and Lines Inspection Engine Accessory Drive BeltInspection (or every 24 months, whichever occurs first) Cooling System Service (or every months, whichever 24 occurs first) Supercharger Oil Check (or every 36 months, whichever occurs first) (3.8L Code 1 'engineonly) Every 50,000 Miles (83 000 km) Automatic Transaxle Service (severe conditions) This is particularly important when outside temperatures are below freezing. Most trips include extensive idling (such as frequent driving in stop and go traffic). Most trips are through dusty areas. You frequently tow a trailer or use a carrier on top of your vehicle. (With some models, you should never tow a trailer. See "Towing a Trailer" in the Index.) Schedule I should also be followed if the vehicle is used for delivery service, police, taxi, or other commercial application. - Schedule I Intervals Every 3,000 Miles (5 000 km) or 3 Months, Whichever Occurs First Engine Oil and Filter Change 7-4