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Home >> Mitsubishi >> 2004 >> Lancer ES, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Fuel Supply - Except Evolution & SPORTBACK >> On-Vehicle Service >> Fuel Pump Module Replacement
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Fuel Pump Module Replacement

  1. Remove the rear seat assembly (Refer to REMOVAL AND INSTALLATION ).
  2. Fuel pump connector disconnection. (Refer to FUEL PUMP CONNECTOR DISCONNECTION (HOW TO REDUCE PRESSURIZED FUEL LINES) ).
  3. Remove the service hole cover mounting screws to remove the cover.
  4. Disconnect the fuel pump connector.
    NOTE: Check the fuel pump (Refer to FUEL PUMP OPERATION CHECK ). If defective, replace the fuel pump, which is incorporated in the fuel pump module.
  5. Disconnect fuel high-pressure hose.
  6. Remove the mounting nuts and plate, and remove the fuel pump module from the service hole.
    NOTE: To disassemble or assemble the fuel pump module, refer to "FUEL PUMP (MODULE) DISASSEMBLY AND ASSEMBLY ".
    Fig 1: Replacing Fuel Pump Module
    G00809895Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  7. Replace the fuel pump gasket.
  8. Install the fuel pump module to the fuel tank through the service hole.
  9. Install the plate to the fuel tank and tighten the mounting nuts to the specified torque.
    1. Tightening torque: 2.5 +/- 0.5 N.m (23 +/- 4 in-lb) 
    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).
    Fig 2: Connecting Fuel Pump Connector, Fuel High-Pressure Hose And Fuel Hose
    G00809896Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  10. Connect the fuel pump connector, fuel high-pressure hose and fuel hose.
  11. Retain the service hole cover with the screws.
  12. Install the rear seat cushion assembly (Refer to REMOVAL AND INSTALLATION ).