1998 Oldsmobile Achieva Owner's Manual - Page 309
1998 Oldsmobile Achieva Manual
Page 309 highlights
I Short TripKity Maintenance Schedule 17 Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotationpattern and additional information. (See footnote +.) (Also see footnote++.) 99,000 Miles (165 000 km) 0 Change engine oil and filter (or every3 months, whichever occurs first). An Emission Control Service. I I 100,000 Miles (166 000 km) 0 Inspect spark plug wires (except 2.4L Code T engine). An Emission Control Service. Replace spark plugs. An Emission Control Service. 0 Change automatic transaxle fluidand filter if the vehicle is mainly driven under one ormore of these conditions: - In heavy city traffic where the outside temperatureregularly reaches 90°F (32°C) orhigher. - In hilly or mountainous terrain. I (Continued) 7-19