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Fuel Pump Module Replacement < Fwd >

  1. Remove the second seat assembly (Refer to SECOND SEAT ASSEMBLY ) and turn up the floor carpet.
  2. Remove the floor inspection lid (LH).
    Fig 1: Identifying Floor Inspection Lid (LH)
    G05430937Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  3. Disconnect the fuel pump module connector and fuel tank differential pressure sensor connector.
  4. Release the fuel pressure in the fuel line. [Refer to FUEL PUMP CONNECTOR DISCONNECTION (HOW TO REDUCE PRESSURIZED FUEL LINES) .]
    Fig 2: Releasing Fuel Pressure In Fuel Line
    G05430938Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  5. Insert a flat-tip screwdriver [6 mm (0.24 inch) wide and 1 mm (0.04 inch) thick] into the retainer of the fuel main pipe.
    Fig 3: Identifying Retainer And Fuel Pump Module
    G05430939Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  6. Turn the flat-tip screwdriver about 90 degrees to push up the retainer, and disconnect the fuel main pipe from the fuel pump module.
    Fig 4: Disconnecting Fuel Main Pipe From Fuel Pump Module
    G05430940Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  7. Remove the mounting nuts of fuel pump module.
    CAUTION: Pay attention not to damage the fuel level sensor and float of the fuel pump module when removing the fuel pump module from the fuel tank.
  8. Remove the fuel pump module from service hole.
  9. Replace the fuel pump module gasket with a new one.
    CAUTION:
    • Pay attention not to damage the fuel level sensor and the float of the fuel pump module when installing it to the fuel tank.
    • When installing the fuel pump module to the fuel tank, check that the fuel level sensor moving area moves smoothly.
  10. Install the fuel pump module to the fuel tank through the service hole, and tighten the mounting nuts to the specified torque.

    Tightening torque: 2.5 ± 0.4 N.m (22 ± 4 in-lb) 

    Fig 5: Locating Mounting Nuts Of Fuel Pump Module
    G05430941Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  11. Before the installation, push up the retainer of the fuel main pipe.
    Fig 6: Pushing Retainer Of Fuel Main Pipe
    G05430942Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  12. Connect the connector of fuel main pipe to the fuel pump module securely and push down the retainer of the connector to lock it firmly.
  13. After the installation, slightly pull the fuel main pipe to check that it is connected securely. At this time, also check that there is approximately 1 mm (0.04 inch) play.
    Fig 7: Pulling Fuel Main Pipe
    G05430943Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  14. Connect the fuel pump module connector and fuel tank differential pressure sensor connector.
    Fig 8: Identifying Fuel Pump Module Connector And Fuel Tank Differential Pressure Sensor Connector
    G06481453Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  15. Install the floor inspection lid (LH).
  16. Return the floor carpet to the original condition and install the second seat assembly (Refer to SECOND SEAT ASSEMBLY ).
    Fig 9: Identifying Floor Inspection Lid (LH)
    G05430937Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.