1994 Oldsmobile Silhouette Owner's Manual - Page 241

6. Transaxle Service - Change both the fluid and filter every 15,000 miles (25 000 ltm) if the vehicle is mainly driven under one or more of these conditions: In heavy city traffic where the outside temperatureregularly reaches 90°F (32°C) or higher. In hilly or mountainous terrain. When doing frequent trailer towing. 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 every 100,000 miles (166 000 ltm) . 7. Spark Plug Replacement::'Replace spark plugs with the proper type. See Replacement Parts in the Index. 8. Spark Plug Wire Inspection''Inspect for burns, cracks or other damage. Check the boot fit at the distributor or coils and at the spark plugs. Replace wires as needed. 9. Exhaust Gas Recirculation (EGR) System 1nspection':t - Conduct the EGR system service as described in the service manual. To purchase a service manual, see Service Publications in the Index. IO. Air Cleaner Filter Replacement+Replace every 30,000 miles (50 000 ltm) or more often under dusty conditions. Ask your dealer for the proper replacement intervals for your driving conditions. 1 1 . Air Cleaner Inspection''? - Inspect all hoses and ducts for proper hookup. Make sure thevalve works properly. 12. Fuel Tank, Cap and Lines 1nspection';:t- Inspect fuel tank, cap and lines for damage or leaks. Inspect fuel cap gasket for an even filler neck imprint or any damage. Replace parts as needed. Periodic replacement of the fuel filter is not required. 13. Engine Timing and Distributor Check (3100 Code D engine only)'xt- Adjust the timing to the underhood label specifications. Inspect the inside and outside of the distributor cap and rotorfor cracks, carbon tracking and corrosion. Clean or replace as needed. NOTE: To determine your engine's displacement and code, see Engine Identification in the Index. ' = An : t Enzission Control Service. = The U.S. Environmental Protection Agency or the CaliforniaAir Resources Boa1.d has determined that the failureto pelform this maintenance item will not nullify the emission warranty or limit recall liability prior to fhe completion of ~~ehicle useful life. General Motors: however, urges that all recornmended maintenance services be performed at the indicated intervals and the maintenance be recorded in "Section E: Maintenance Record." 239