1994 Pontiac Bonneville Owner's Manual - Page 256

6. Transaxle Service -- Change both the fluid and filter every 15,000 miles (25 000 km) if the vehicle is mainly driven under one or moreof these conditions: 0 8. Spark Plug Wire Inspection"? -- Inspect for burns, cracks or other damage. Check the boot fit at the coils and at the spark plugs. Replace wires as needed. In heavy city traffic where the outside temperature regularly reaches 90°F (32 "C) or higher. In hilly or mountainous terrain. When doing frequent trailer towing. (With some models, you shouldn't ever tow a trailer. See "Towing a Trailer" in the Index.) Uses such as found i n taxi, police car or delivery service. 9. Supercharger Oil Check -- Check oil every 30,000 miles (50 000 km) or 36 months. Add the proper synthetic oil. See "Recommended Fluids and Lubricants'' and "Supercharger Oil" in the Index. (Engine must be cold before checking oil level. Oil is pressurized when hot and will blow out of bearing case). 0 0 0 1 O.Air Cleaner Filter Replacement* -- Replace every 30,000 miles (50 000 km) or more often under dusty conditions. Ask your dealer for the proper replacement intervals for your driving conditions. If you do not use your vehicle under any these of conditions, change both thefluid and filter every 100,000 miles (166 000 km). 11. Fuel Tank, Cap andLines Inspection"? -- Inspect fuel tank, cap and lines (including fuel rails and injection assembly) 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. 7. Spark Plug Replacement* -- Replace spark plugs with the proper type. See "Replacement Parts''in the Index. * An Emission Control Service. The U.S. Environmental Protection Agency or the California Air Resources Board has determined that the failure to 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 "Section E: Maintenance Record". 255 .