How to Change the Fuel Pump on a Ford F-150

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Your Ford F-150’s fuel pump is inside the fuel tank. This allows the pump to generate the high pressure needed for the fuel injection system installed on the latest model F-150 gasoline engines. Read on and discover how to change the fuel pump on a ford f-150.

Fuel pressure may not build up after internal pump components wear. You may have difficulty starting the engine, or it may stop suddenly or not start at all. If these scenarios apply to you, it’s time to replace the pump.

How to Change the Fuel Pump on a Ford F-150

  1. Remove the splash shield from the frame rail located under the driver’s side door. Use a ratchet and socket.
  1. Unplug the electrical connector that you will see after removing the splash guard. The connector leads to the fuel pump module.
  1. Start the engine and let it idle until it stops. Next, crank the engine for about five seconds to relieve any remaining fuel pressure from the system. If the engine won’t start due to a faulty fuel pump, crank the engine to make sure the fuel pressure is relieved.
  1. Turn the ignition key to the “Off” position.
  1. Disconnect the ground cable from the battery with a wrench.
  1. Raise the rear of your F-150 using a floor jack and support it on two jack feet.
  1. Remove the tank protector if your particular model is equipped with it using a ratchet, ratchet extension and socket.
  1. Support the fuel tank with the floor jack.
  1. Disconnect the straps that hold the tank to the truck body using the ratchet, ratchet extension and socket.
  1. Lower the fuel tank enough to gain access to the fuel lines, vapor lines, and fuel pump electrical connector at the top of the tank.
  1. Disconnect fuel lines and vapor lines from sending unit/pump module. Press the locking tabs on the line quick connectors and carefully remove the lines from their fittings. Unplug the electrical connector from the pump module.
  1. Release the sending unit/pump module by turning the locking ring counterclockwise with wrench 310-123 or equivalent for the fuel tank sending unit.
  1. Carefully lift the sender unit/pump module out of the tank and discard the o-ring seal under the module flange.
  1. Remove the old fuel pump from the module with a screwdriver and a pair of slip joint pliers and install the new pump on the module.
  1. Lubricate the new o-ring seal with clean motor oil and place the seal in the fuel tank opening.
  1. Install the sender unit/pump module in the tank and turn the lock ring clockwise using the key from the fuel tank sending unit.
  1. Raise the fuel tank enough to connect the fuel and vapor lines and plug in the electrical connector for the pump module.
  1. Lift the fuel tank into its mounting location and secure the tank straps with the ratchet, ratchet extension and socket.
  1. Install the fuel tank shield with the ratchetthe ratchet extension and the socket, in case you need to disassemble it.
  1. Lower your F-150.
  1. Connect the ground, the battery cable with the key.
  1. Plug into the electrical connector located on the frame rail below the driver’s side door.
  1. Attach the splash guard to the frame rail with the ratchet and socket.
  1. Turn the ignition key to position “On” for three seconds to allow the fuel system to build pressure. Then turn the key to the “Off” position. Repeat the cycle three times to make sure the system has enough pressure.
  1. Start the engine and check for fuel leaks.

Tips

You can rent a fuel tank wrench from an auto parts store if you don’t have access to one.

Now that you know how to change the fuel pump on a Ford F-150 you should know that to clear any diagnostic trouble codes (DTCs) that may have been set during the fuel pump change, connect a scan tool to the connector. under the dash of your F-150 and clear the codes. If you don’t have access to a scan tool, you can rent one from an auto parts store. Sometimes a technician at an auto parts store can clear the DTCs for you.

Ford F-150 5.4 Lariat SuperCrew 2008
Ford F-150 5.4 Lariat SuperCrew 2008

Your Ford F-150’s fuel pump is inside the fuel tank. This allows the pump to generate the high pressure needed for the fuel injection system installed on the latest model F-150 gasoline engines. Read on and discover how to change the fuel pump on a ford f-150.

Fuel pressure may not build up after internal pump components wear. You may have difficulty starting the engine, or it may stop suddenly or not start at all. If these scenarios apply to you, it’s time to replace the pump.

How to Change the Fuel Pump on a Ford F-150

  1. Remove the splash shield from the frame rail located under the driver’s side door. Use a ratchet and socket.
  1. Unplug the electrical connector that you will see after removing the splash guard. The connector leads to the fuel pump module.
  1. Start the engine and let it idle until it stops. Next, crank the engine for about five seconds to relieve any remaining fuel pressure from the system. If the engine won’t start due to a faulty fuel pump, crank the engine to make sure the fuel pressure is relieved.
  1. Turn the ignition key to the “Off” position.
  1. Disconnect the ground cable from the battery with a wrench.
  1. Raise the rear of your F-150 using a floor jack and support it on two jack feet.
  1. Remove the tank protector if your particular model is equipped with it using a ratchet, ratchet extension and socket.
  1. Support the fuel tank with the floor jack.
  1. Disconnect the straps that hold the tank to the truck body using the ratchet, ratchet extension and socket.
  1. Lower the fuel tank enough to gain access to the fuel lines, vapor lines, and fuel pump electrical connector at the top of the tank.
  1. Disconnect fuel lines and vapor lines from sending unit/pump module. Press the locking tabs on the line quick connectors and carefully remove the lines from their fittings. Unplug the electrical connector from the pump module.
  1. Release the sending unit/pump module by turning the locking ring counterclockwise with wrench 310-123 or equivalent for the fuel tank sending unit.
  1. Carefully lift the sender unit/pump module out of the tank and discard the o-ring seal under the module flange.
  1. Remove the old fuel pump from the module with a screwdriver and a pair of slip joint pliers and install the new pump on the module.
  1. Lubricate the new o-ring seal with clean motor oil and place the seal in the fuel tank opening.
  1. Install the sender unit/pump module in the tank and turn the lock ring clockwise using the key from the fuel tank sending unit.
  1. Raise the fuel tank enough to connect the fuel and vapor lines and plug in the electrical connector for the pump module.
  1. Lift the fuel tank into its mounting location and secure the tank straps with the ratchet, ratchet extension and socket.
  1. Install the fuel tank shield with the ratchetthe ratchet extension and the socket, in case you need to disassemble it.
  1. Lower your F-150.
  1. Connect the ground, the battery cable with the key.
  1. Plug into the electrical connector located on the frame rail below the driver’s side door.
  1. Attach the splash guard to the frame rail with the ratchet and socket.
  1. Turn the ignition key to position “On” for three seconds to allow the fuel system to build pressure. Then turn the key to the “Off” position. Repeat the cycle three times to make sure the system has enough pressure.
  1. Start the engine and check for fuel leaks.

Tips

You can rent a fuel tank wrench from an auto parts store if you don’t have access to one.

Now that you know how to change the fuel pump on a Ford F-150 you should know that to clear any diagnostic trouble codes (DTCs) that may have been set during the fuel pump change, connect a scan tool to the connector. under the dash of your F-150 and clear the codes. If you don’t have access to a scan tool, you can rent one from an auto parts store. Sometimes a technician at an auto parts store can clear the DTCs for you.

Ford F-150 5.4 Lariat SuperCrew 2008
Ford F-150 5.4 Lariat SuperCrew 2008

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