Mercury F8AZ-9424-CA Kit - Manifold Hardware

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After disconnecting the electrical and vacuum connectors, the distributor is removed, followed by relieving the fuel system pressure and disconnecting the fuel supply and return lines. If equipped, the carburetor is also removed.

Disconnect the radiator, heater, and water pump bypass hoses.

Various components that should be disconnected include the accelerator cable, automatic transmission cable, speed control linkage, ignition wire brackets, boots, wires, alternator, ignition coils, CID sensor, and multiple electrical connectors.

Make sure all intake port openings, coolant passage holes, and bolt holes are aligned correctly.

During installation, ensure the gasket is in place and position new gasket(s) onto the lower intake mounting face. Secure the air intake plenum and throttle body assembly with the six upper intake manifold retaining bolts, tightening them to the specified torque.

Start the engine and check carefully for oil and coolant leaks at the intake manifold joints.

Start by relieving fuel pressure, disconnecting the battery cable, and removing the air intake plenum assembly on 5.0L engines or the air intake assembly on 4.6L engines. Use a special spring lock coupling tool to disconnect the fuel feed and return lines from the fuel rail assembly. Remove the four fuel rail assembly retaining bolts and carefully disengage the fuel rail from the fuel injectors. The installation process is the reverse of removal.

Disconnect the accelerator cable, automatic transmission cable, and speed control linkage (if so equipped).