Fuel Pump Removal

Engine. Lexus Is250, Is220D. Gse20 Ale20
2Ad-Fhv Fuel. Lexus Is250, Is220D. Gse20 Ale20

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

  2. REMOVE REAR SEAT CUSHION ASSEMBLY

  3. REMOVE REAR NO. 2 FLOOR SERVICE HOLE COVER

  4. REMOVE FUEL SUCTION WITH PUMP AND GAUGE TUBE ASSEMBLY

  5. REMOVE FUEL SENDER GAUGE ASSEMBLY

  6. SEPARATE FUEL SUCTION PLATE SUB-ASSEMBLY

  7. REMOVE FUEL PUMP HARNESS

  8. REMOVE FUEL RETURN JET TUBE

  9. REMOVE FUEL PUMP

  10. REMOVE NO. 2 FUEL SUCTION SUPPORT

  11. REMOVE CUSHION RUBBER

  12. REMOVE FUEL PRESSURE REGULATOR ASSEMBLY

Fuel Pump -- Removal



1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL


2. REMOVE REAR SEAT CUSHION ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv 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.



3. REMOVE REAR NO. 2 FLOOR SERVICE HOLE COVER


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



4. 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 the fuel pump tube.

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

    1. Widen the tip of the 2 tube joint clips and pull out the clip in the direction indicated by the arrow.



    2. Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Fuel.Fuel System.Fuel Pump  Removal
    3. Remove the No. 1 fuel tank main tube and No. 2 fuel tank suction tube.

      NOTICE:
      1. Keep the O-rings free of foreign matter, as they will become 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 it from becoming contaminated or damaged.
      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.
    4. Widen the tip of the 2 tube joint clips and pull out the clip in the direction indicated by the arrow.



    5. Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Fuel.Fuel System.Fuel Pump  Removal
    6. Remove the 2 tube joint clips, No. 2 fuel main tube and fuel tank suction tube.

      NOTICE:
      1. Keep the O-rings free of foreign matter, as they will become 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 it from becoming contaminated or damaged.
      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 No. 2 fuel hose.

  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.
  1. Remove the fuel suction tube set gasket.



5. REMOVE FUEL SENDER GAUGE ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Fuel.Fuel System.Fuel Pump  Removal
  1. Unlock and then slide the fuel sender gauge to remove it.



6. SEPARATE FUEL SUCTION PLATE SUB-ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Disconnect the fuel suction filter as shown in the illustration.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Using a screwdriver with its tip wrapped with tape, disengage the 4 snap claws from the claw holes, and pull out the fuel suction plate.

    NOTICE:
    Do not damage the fuel suction support.


    Lexus Is250, Is220D. Gse20 Ale20
  1. Using a screwdriver with the tip taped, disconnect the fuel hose from the fuel filter.



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



7. REMOVE FUEL PUMP HARNESS


    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Fuel.Fuel System.Fuel Pump  Removal
  1. Disconnect the fuel pump harness connector from the fuel suction plate(*1).

  1. Using a screwdriver, pry out the fuel pump harness (*2).



8. REMOVE FUEL RETURN JET TUBE


    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Fuel.Fuel System.Fuel Pump  Removal
  1. Press down on the return jet housing claw. Then slide the return jet housing upward.



    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Fuel.Fuel System.Fuel Pump  Removal
  1. Using a screwdriver with the tip taped, remove the jet pump from the return jet housing.

    NOTICE:
    The O-ring is installed firmly between the jet pump and return jet housing. Therefore, the jet pump and return jet housing should be removed carefully using a screwdriver.


    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Fuel.Fuel System.Fuel Pump  Removal
  1. Remove the O-ring.



9. REMOVE FUEL PUMP


    Lexus Is250, Is220D. Gse20 Ale20
  1. Using a screwdriver with its tip wrapped in protective tape, disengage the 5 claws.

    NOTICE:
    1. Do not damage the fuel pump filter.
    2. Do not remove the suction filter.


    Lexus Is250, Is220D. Gse20 Ale20
  1. Pull out the fuel pump from the fuel filter assembly.

    NOTICE:
    1. Be careful not to damage the O-ring surface.
    2. Do not use either the fuel pump or the suction filter if the suction filter is removed from the fuel pump.
  1. Remove the O-ring.



10. REMOVE NO. 2 FUEL SUCTION SUPPORT


    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Fuel.Fuel System.Fuel Pump  Removal
  1. Remove the No. 2 fuel suction support from the fuel pump.



11. REMOVE CUSHION RUBBER


    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Fuel.Fuel System.Fuel Pump  Removal
  1. Remove the cushion rubber from the fuel pump.



12. REMOVE FUEL PRESSURE REGULATOR ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Fuel.Fuel System.Fuel Pump  Removal
  1. Using a screwdriver, pry out the fuel pressure regulator from the fuel filter assembly.



    Lexus Is250, Is220D. Gse20 Ale20.2Ad-Fhv Fuel.Fuel System.Fuel Pump  Removal
  1. Remove the O-ring from the fuel pressure regulator.