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Home >> Mitsubishi >> 2004 >> Lancer Evolution >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Supply - 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 service hole cover.
  3. Disconnect the harness connector.
    NOTE: Check the fuel pump (Refer to ON-VEHICLE SERVICE ). If defective, replace the fuel pump, which is incorporated in the fuel pump module.
  4. Disconnect fuel high-pressure hose, suction hose and fuel return hose.
    Fig 1: View Of Fuel Pump Module
    G00984257Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    CAUTION: When withdrawing the fuel pump module from the fuel tank, be careful not damage the module unit and the float.
  5. Unscrew the mounting nuts to remove the fuel pump module.
  6. Replace the fuel pump (Refer to FUEL PUMP MODULE DISASSEMBLY AND ASSEMBLY ).
    Fig 2: Identifying Fuel Pump Module
    G00984258Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    CAUTION: When installing the fuel pump module into the fuel tank, be careful not damage the module unit and the float.
  7. Install the fuel pump module. Tighten the mounting nuts to the specified torque.
    1. Tightening torque: 2.5 +/- 0.5 N.m (23 +/- 4 in-lb) 
    Fig 3: View Of Fuel Pump Module
    G00984259Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    CAUTION: Snap the fuel high-pressure hose one-touch joint into place, then pull back slightly on the hose to assure it is secure. However, the connection should have a play of approximately 3.0 mm (0.12 inch).
  8. Connect the harness connector, fuel high-pressure hose, suction hose and fuel return hose.
  9. Replace the service hole cover.
  10. Install the rear seat cushion assembly (Refer to REAR SEAT ASSEMBLY ).
    Fig 4: Identifying Fuel High Pressure Hose Connector Play
    G00984260Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.