1996 Oldsmobile Silhouette Owner's Manual - Page 311

Maintenance Schedule I Long Tripmighway Definition m I Long Tripmighway Intervals Follow this maintenance schedule only if none of the conditions from the Short Trip/City Maintenance Schedule is true. Driving n vehicle with n fidly wnrnzed engine under lziglzwny conditions causes engine oil to brecrk down slowe~ Every 7,500 Miles (12 500 km): Engine Oil and Filter Change (or every 12 months, whichever occurs first). Chassis Lubrication (or every I2 months, whichever occurs first). At 7,500 Miles(12 500 km) Then Every 15,000 Miles(25 000 km): Tire Rotation. Every 30,000 Miles (50 000 km): Air Cleaner Filter Replacement. Every 50,000 Miles(83 000 km): Automatic Transaxle Service (severe conditions only). Every 60,000 Miles(100 000 km): Engine Accessory Drive Belt Inspection. Fuel Tank, Cap and Lines Inspection (or every 60 months, whichever occurs first). Every 100,000 Miles(166 000 km): Cooling System Service (orevery 60 months, whichever occurs first). Spark Plug Wire Inspection. Spark Plug Replacement. Tlwse intervals only surntnnrize maintenance services. Be sure to follow the completemaintenarzce sch,edule on the jollowing pages. --