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Home >> Mitsubishi >> 2014 >> Lancer Evolution GSR >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Fuel System >> Fuel Supply System - Lancer Evolution >> On-Vehicle Service >> Fuel Pump Module Replacement
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Fuel Pump Module Replacement

  1. Remove the rear seat cushion assembly. (Refer to REAR SEAT ASSEMBLY ).
  2. Remove the floor inspection lid (LH).
    Fig 1: Identifying Floor Inspection Lid (LH)
    G09640848Courtesy 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 HOW TO REDUCE PRESSURIZED FUEL LINES ).
  5. Disconnect the fuel return hose.
    Fig 2: Identifying Fuel Tank Differential Pressure Sensor Connector, Module And Fuel Return Hose
    G09640849Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  6. Insert a flat-tip screwdriver [6mm (0.24 inch) wide and 1mm (0.04 inch) thick] into the retainer of the fuel main pipe.
    Fig 3: Inserting Flat-Tip Screwdriver Into Retainer Of Fuel Main Pipe
    G09640850Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  7. Turn the flat-tip screwdriver about 90 degrees angle 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
    G09640851Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  8. Remove the mounting nuts of fuel pump module.
    Fig 5: Locating Fuel Pump Module Mounting Nuts
    G09640852Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    CAUTION: When removing the fuel pump module from the service hole, be careful not to damage the gauge unit and the float of the fuel pump module.
  9. Disconnect the fuel tank suction hose while removing the fuel pump module from the service hole, and then remove the fuel pump module from the service hole.
  10. Replace the fuel pump module gasket with a new one.
    Fig 6: Remove/Install Fuel Pump Module From Service Hole
    G09640853Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    CAUTION:
    • When installing the fuel pump module into the fuel tank from the service hole, be careful not to damage the gauge unit and the float of the fuel pump module. In addition, be careful that the float does not catch the fuel tank suction hose in the fuel tank.
    • When installing the fuel pump module into the fuel tank from the service hole, check that the moving part of the gauge works smoothly.
  11. While inserting the fuel pump module into the fuel tank from the service hole, connect the fuel tank suction hose, and install the fuel pump module to the fuel tank.
    Fig 7: Remove/Install Fuel Pump Module From Service Hole
    G09640854Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  12. Before the installation, push up the retainer of the fuel main pipe.
    Fig 8: Pushing Up Retainer Of Fuel Main Pipe
    G09640855Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  13. 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.
  14. 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 m (0.04 inch) play.
  15. Connect the fuel return hose.
    Fig 9: Connecting Fuel Main Pipe To Fuel Pump Module
    G09640856Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  16. Connect the fuel pump module connector and fuel tank differential pressure sensor connector.
  17. Check the fuel leak of fuel tank.
  18. Install the floor inspection lid (LH).
  19. Install the rear seat cushion assembly. (Refer to REAR SEAT ASSEMBLY ).
    Fig 10: Identifying Fuel Tank Differential Pressure Sensor Connector, Module And Fuel Return Hose
    G09640857Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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