1994 Chevrolet Corvette Owner's Manual - Page 238

ITEM NO. SERVICE Index. This provides proper freeze and boil protection, corrosion inhibitor level and maintains proper engine operating temperature. Inspect hoses and replace if they are cracked, swollen or deteriorated. Tighten screw-type of hose clamps. Clean the outside the radiator andair conditioning condenser. Wash the pressure cap and neck. To help ensure proper operation, we recommend a pressure testof both the cooling systemand the pressure cap. 5 TransmissionService - For manual transmissions, fluid doesn't require changing.See "Periodic Maintenance Inspection." For automatic transmissions, change both the fluid and filter every 15,000 miles (25 000 km) ITEM NO. SERVICE if the vehicle is mainly driven under one or moreof these conditions: In heavy city traffic where the outside temperature regularly reaches 90 O F (32 C) or higher. In hilly or mountainous terrain. Uses such as found in taxi, police car or delivery service. If you do not use yourvehicle under any of these conditions, change both the fluid and filter every 100,000 miles (166 000 km). 6 SparkPlug Replacement* Replace spark plugs with the proper type. See "Replacement Parts" in the Index. 7 SparkPlugWire Inspection*? Inspect for burns, cracks or other damage. Check the boot at the fit coils and at the spark plugs. Replace wires as needed. O ITEM NO. SERVICE 8 AirCleaner Filter Replacement*Replace every 30,000 miles (50 000 km) or more often under dusty conditions. Ask yourdealer for the 'proper replacement intervals for your driving conditions. 9 FuelTank.Cap and Lines 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 anydamage. Replace parts as needed. Periodic replacement of the fuel filter is not required. I -I * An Emission Control Service. t 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, urgesthat all recommended maintenance services be performed at the indicated intervalsand the maintenance be recorded in "SectionE: Maintenance Record." 237. ..