1994 Oldsmobile Achieva Owner's Manual - Page 227

6. Transaxle Service -For manual transaxles, fluid doesn't require changing. See Periodic Maintenance Inspections. For automatic transaxles, change both thefluid and filter every 15,000 miles (25 000 lun) if the vehicle is mainly driven under one or more of these conditions: In heavy city trafficwhere the outside temperature regularly reaches 90°F (32°C) or higher. In hilly or mountainous terrain. When doingfrequent trailer towing. (With some models, you shouldn't ever tow a trailer. See Towing a Trailer in the Index.) Uses such as found in taxi, police car or delivery service. If you do not use your vehicle under any of these conditions, change both the fluid and filter every100,000 miles (166 000 km) . 7. Spark Plug Replacement': - Replace spark plugs with the proper type. See Replacement Parts in the IO. Fuel Tank, Cap and Lines Inspection'xt- Inspect fuel tank, cap and lines (including fuel rails and injection assembly) for damage or leaks. Inspect fuel cap gasket for an even filler neckimprint or any damage. Replace parts as needed. Periodic replacement of the fuel filter isnot required. NOTE: To determine your engine's displacement and code, see Engine Identification in the Index. * = An Emission Control Service. j- = The U S . Environmental Protection Agency Index. 8. Spark Plug Wire Inspection(3100 Code M engine only)"? - Inspect I for burns, cracks or otherdamage. Check the boot fit at thecoils and at the spark plugs. Replace wiresas needed. 9. Air Cleaner Filter Replacement* Replace every 30,000 miles (50 000 lan) or more often under dusty conditions. Ask your dealer the for proper replacement intervals for your driving conditions. or the CaliforniaAir Resources Board has determined that the failureto perform this maintenance item will not nullify the emission warranty or limit recall liability prior to the completion of vehicle useful life. General Motors,however, urges that all recommended maintenance services be performed at the indicated intervals and the maintenance be recorded in "SectionE: Maintenance Record. " 225