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Home >> Mitsubishi >> 2011 >> Endeavor SE, FWD >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel Supply System >> On-Vehicle Service >> Fuel Pump Module Replacement

Fuel Pump Module Replacement

  1. Remove the left rear seat cushion mounting bolts, and lift the left rear seat cushion and tie it to the head restraint.
    Fig 1: Locating Left Rear Seat Cushion Mounting Bolts
    G06699050Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  2. Cut the floor mat and then remove the service hole cover to gain access to the service hole.
    NOTE: Push the floor mat to find the notches and cut the floor mat along them.
    Fig 2: Identifying Service Hole Cover
    G06699051Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  3. Disconnect the fuel pump module connector.
  4. Crank the engine for two seconds or more.
  5. If the engine does not start, turn the ignition switch to "LOCK" (OFF) position.
  6. If the engine starts, stop it naturally and turn the ignition switch to "LOCK" (OFF) position.
    Fig 3: Identifying Fuel Pump Module Connector
    G06699052Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    CAUTION: As there will be some pressure remaining in the fuel pipe line, cover it with a shop towel to prevent fuel from spraying out.
  7. Disconnect the fuel tank differential pressure sensor connector and fuel high-pressure hose.
  8. Remove the fuel pump module mounting nuts and plate.
    Fig 4: Identifying Fuel Tank Differential Pressure Sensor Connector And Fuel High-Pressure Hose
    G06699053Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    CAUTION:
    • When removing the fuel pump module from the fuel tank, be careful not to spill the fuel remaining in the fuel pump module.
    • When withdrawing the fuel pump module from the fuel tank, be careful not to damage the module unit and the float.
  9. Drain the fuel remaining in the fuel pump module while removing the fuel pump module from the service hole.
    Fig 5: Identifying Fuel Pump Module And Float
    G06699054Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  10. Disconnect the suction hose and remove the fuel pump module from the fuel tank.
  11. Replace the packing with a new one.
    Fig 6: Identifying Fuel Pump Module And Suction Hose
    G06699055Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    CAUTION: When installing the fuel pump module into the fuel tank, be careful not to damage the module unit and the float.
    Fig 7: Identifying Fuel Pump Module And Float
    G06699054Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  12. Connect the suction hose to the fuel pump module, and install the fuel pump module to the fuel tank whilst ensuring that the suction hose is not kinked.
  13. Install the plate to the fuel tank.
    CAUTION: After installing, slightly pull the fuel high-pressure hose and ensure that there is no disengaged fuel high-pressure hose. Also confirm that there is approximately 3 mm (0.12 inch) play at this time.
    Fig 8: Identifying Fuel Pump Module And Suction Hose
    G06699055Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  14. Connect the fuel pump module connector, fuel tank differential pressure sensor connector and fuel high-pressure hose connection.
    Fig 9: Identifying Fuel Pump Module Connector And Fuel Tank Differential Pressure Sensor Connector
    G06699058Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  15. Install the service hole cover.

    Tightening torque: 1.5 ± 0.5 N.m (14 ± 4 in-lb) 

  16. Install the floor mat into its original position.
    Fig 10: Identifying Service Hole Cover
    G06699051Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  17. Untie the left rear seat cushion, install it into its original position and tighten the mounting bolts to the specified torque.

    Tightening torque: 44 ± 10 N.m (33 ± 7 ft-lb) 

    Fig 11: Locating Left Rear Seat Cushion Mounting Bolts
    G06699050Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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