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Home >> Mitsubishi >> 2004 >> Endeavor LS, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Supply >> On-Vehicle Service >> Fuel Pump Module Replacement
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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: Removing Left Rear Seat Cushion Mounting Bolts
    G00859041Courtesy 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.
  3. Fuel Pump Connector Disconnection (How to Reduce Fuel Pressure). (Refer to FUEL PUMP CONNECTOR DISCONNECTION (HOW TO REDUCE PRESSURIZED FUEL LINES) ).
    Fig 2: Removing Service Hole Cover
    G00859042Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  4. Disconnect the fuel pump module connector, the fuel tank differential pressure sensor connector and fuel high-pressure hose.
    Fig 3: Disconnecting Fuel Pump Module Connector
    G00859043Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    CAUTION: When withdrawing the fuel pump module from the fuel tank, be careful not to damage the module unit and the float.
  5. Remove the mounting nuts and plate, and remove the fuel pump module from the fuel tank.
    Fig 4: Removing Fuel Pump Module From Fuel Tank
    G00859044Courtesy 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 5: Installing Fuel Pump Module Into Fuel Tank
    G00859045Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  6. Connect the suction hose to the fuel pump module, and install the fuel pump module to the fuel tank while ensuring that the suction hose is not kinked.
    Fig 6: Installing Suction Hose To Fuel Pump Module
    G00859046Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  7. Install the plate to the fuel tank.
  8. Connect the fuel pump module connector, the fuel tank differential pressure sensor connector and fuel high-pressure hose.
  9. Fig 7: Connecting Fuel Pump Module Connector
    G00859047Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  10. Install the service hole cover.
    Fig 8: Installing Service Hole Cover
    G00859048Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    1. Tightening torque: 1.5 + 0.5 N.m (14 + 4 in-lb) 
  11. Install the floor mat into its original position.
  12. Untie the left rear seat cushion, install it into its original position and tighten the mounting bolts to the specified torque.
    1. Tightening torque: 44 + 10 N.m (33 + 7 ft-lb) 
    Fig 9: Tightening Mounting Bolts
    G00859049Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.