Ford E7TZ-9H307-B Sender And Pump Assembly

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The three electric fuel pump configurations for F-series and Bronco vehicles are: 1. Carbureted 7.5L engines with the "Hot Fuel" option utilizing an in-tank low-pressure fuel pump. 2. Early EFI models (pre-1990) employing a low-pressure in-tank pump and an externally mounted high-pressure pump. 3. Later models (1990 and onward) featuring an in-tank fuel delivery module (FDM) housing a high-pressure fuel pump, venturi jet pump, relief check valves, and shuttle selector valve.

Before removing a potentially defective fuel pump, ensure the tank has fuel, the fuel filter is not plugged, and inspect mechanical connections and hoses for leaks.

For installation, place a new gasket coated with RTV sealant, lubricate the fuel pump rocker arm, position the pump against the block or timing cover, and tighten the retaining bolts. Connect the inlet and outlet lines, reconnect the battery cable, and start the engine, checking for leaks.