1998 Oldsmobile 88 Owner's Manual - Page 314
1998 Oldsmobile 88 Manual
Page 314 highlights
I LongTrip/HighwayMaintenanceSchedule I - When doing frequent trailer towing. - Uses such as found in taxi, police or delivery service. If you do not use your vehicle underany of these conditions, the fluid and filter do not require changing. 52,500 Miles (87 500 km) 0 Change engineoil and filter (or every 12 months, whichever occurs first). An Emission Control Service. 17 Lubricate chassis components (or every months, whichever occurs first). 12 (See footnote #.) 0 Rotate tires. See "Tire Inspection and Rotation" the Index for proper in rotation pattern and additional information. (See footnote +.) DATE I 60,000 Miles (100 000 km) 0 Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. 0 Lubricate chassis components (or every months, whichever occursfirst). 12 (See footnote #.) 0 Rotate tires. See "Tire Inspection and Rotation" in Index for the proper rotation pattern and additional information. (See footnote +.) (Also see footnote ++.) DATE MILEAGE I (Continued) 7-25