Fuel Pump Removal

Engine. Lexus Is250, Is220D. Gse20 Ale20
4Gr-Fse Fuel. Lexus Is250, Is220D. Gse20 Ale20

  1. DISCHARGE FUEL SYSTEM PRESSURE

  2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

  3. REMOVE REAR SEAT CUSHION ASSEMBLY

  4. REMOVE NO. 2 REAR FLOOR SERVICE HOLE COVER

  5. REMOVE FUEL SUCTION WITH PUMP AND GAUGE TUBE ASSEMBLY

  6. REMOVE FUEL SENDER GAUGE ASSEMBLY

  7. REMOVE NO. 1 FUEL SUB-TANK

  8. REMOVE FUEL PUMP

  9. REMOVE FLANGE ASSEMBLY

  10. REMOVE FUEL RELIEF VALVE ASSEMBLY

  11. REMOVE JET PUMP

  12. REMOVE FUEL PRESSURE REGULATOR ASSEMBLY

Fuel Pump -- Removal



1. DISCHARGE FUEL SYSTEM PRESSURE
HINT:
Click here.


2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL


3. REMOVE REAR SEAT CUSHION ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Fuel.Fuel System.Fuel Pump  Removal
  1. Detach the 2 front hooks of the seat cushion from the vehicle body.

    NOTICE:
    Follow the instructions below carefully as the cushion frame deforms easily.

    1. Choose a hook to detach first. Place your hands near the hook as shown in the illustration. Then lift the seat cushion to detach the hook.

    2. Repeat for the other hook.

  1. Detach the 2 rear hooks of the seat cushion from the seatback.

  1. Remove the seat cushion.



4. REMOVE NO. 2 REAR FLOOR SERVICE HOLE COVER


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the No. 2 rear floor service hole cover and disconnect the fuel suction tube connector.



5. REMOVE FUEL SUCTION WITH PUMP AND GAUGE TUBE ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Disconnect the connector from the fuel suction with pump and gauge assembly.



  1. Disconnect fuel pump tube.

    NOTICE:
    Before beginning this procedure, check for foreign matter on the joint clips. Clean if necessary.



      Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Fuel.Fuel System.Fuel Pump  Removal
    1. Remove the 2 tube joint clips, fuel tank main tube and fuel tank return vent tube.

      NOTICE:
      1. Keep the O-ring free of foreign matter, as it becomes contaminated easily.
      2. Do not use any tools in this procedure.
      3. Do not forcefully bend or twist the tube.
      4. Put the tube in a plastic bag to prevent damage and contamination.
      5. If the fuel suction plate and tube are stuck together, pinch the tube and turn it carefully to disconnect it.
      6. Be careful not to damage any clips. If a clip is damaged, replace it.


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 8 bolts and the fuel tank vent tube set plate.

    HINT:
    While holding the fuel suction tube by hand, remove the fuel tank vent tube set plate.


    Lexus Is250, Is220D. Gse20 Ale20
  1. Disconnect the fuel tube.

  1. Remove the fuel suction tube from the fuel tank.

    HINT:
    1. Make sure that the fuel sender gauge arm does not bend.
    2. Do not damage the No. 2 fuel hose.


6. REMOVE FUEL SENDER GAUGE ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Disconnect the fuel sender gauge connector.

  1. Press down on the sender gauge claw labeled A. Then slide the sender gauge upward.



7. REMOVE NO. 1 FUEL SUB-TANK


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Fuel.Fuel System.Fuel Pump  Removal
  1. Using needle nozzle pliers, remove the E-ring.



    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Fuel.Fuel System.Fuel Pump  Removal
  1. Using a screwdriver with the tip taped, disengage the claw and remove the jet pump nozzle.



    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Fuel.Fuel System.Fuel Pump  Removal
  1. Using a screwdriver with the tip taped, disengage the 3 claws and remove the No. 1 sub-tank.



    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Fuel.Fuel System.Fuel Pump  Removal
  1. Using a clip remover with the tip taped, remove the jet pump and No. 1 fuel sub-tank.

    NOTICE:
    The O-ring is installed firmly between the jet pump and No. 1 fuel sub-tank. Therefore, the jet pump and No. 1 fuel sub-tank should be removed carefully using a clip remover.


8. REMOVE FUEL PUMP


    Lexus Is250, Is220D. Gse20 Ale20
  1. Disconnect the 2 connectors and terminal and remove the fuel pump wire.



    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Fuel.Fuel System.Fuel Pump  Removal
  1. Using a screwdriver with the tip taped, detach the 2 claws from the claw holes and remove the fuel pump.



    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Fuel.Fuel System.Fuel Pump  Removal
  1. Remove the fuel pump seal from the fuel pump.

    NOTICE:
    If the fuel pump seal still remains in the fuel filter, remove it using a wire tip (φ1 mm) that is formed as shown in the illustration. Be careful not to damage the sealing surface.


9. REMOVE FLANGE ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Fuel.Fuel System.Fuel Pump  Removal
  1. Using a screwdriver with the tip taped, disengage the 2 claws and remove the flange assembly.



10. REMOVE FUEL RELIEF VALVE ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Fuel.Fuel System.Fuel Pump  Removal
  1. Using a screwdriver with the tip taped, disengage the claw and remove the fuel relief valve assembly.



11. REMOVE JET PUMP


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Fuel.Fuel System.Fuel Pump  Removal
  1. Using a screwdriver with the tip taped, disengage the 2 claws and remove the jet pump.



12. REMOVE FUEL PRESSURE REGULATOR ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Fuel.Fuel System.Fuel Pump  Removal
  1. Remove the clip and fuel pressure regulator from the relief valve.



    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Fuel.Fuel System.Fuel Pump  Removal
  1. Remove the 2 O-rings from the fuel pressure regulator.