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Home >> Lexus >> 2021 >> LX 570 >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System (Service Information) >> Fuel Pump >> Disassembly [09/2015 - ] >> Procedure
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Disassembly [09/2015 - ]: Procedure

  1. REMOVE FUEL SENDER GAUGE ASSEMBLY 

    See step  2

  2. REMOVE NO. 1 FUEL SUB-TANK 
    1. Disconnect the fuel pump connector.
      GTY148712Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the jet pump from the sub-tank.
      GTY684543Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Jet Pump
    3. Using a small screwdriver, detach the claw from the sub-tank.

      HINT: 

      Tape the screwdriver tip before use.

    4. Detach the tube from the 2 clamps on the sub-tank.
    5. Using a screwdriver, detach the 3 claws from the claw holes.
      GTY577713Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Do not damage the fuel sub-tank.

      HINT: 

      Tape the screwdriver tip before use.

    6. Using a screwdriver, detach the 3 claws from the claw holes and remove the No. 1 fuel sub-tank.
      GTY577714Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Do not damage the fuel sub-tank.

      HINT: 

      Tape the screwdriver tip before use.

  3. REMOVE FUEL PUMP 
    1. Using a screwdriver, detach the 5 claws from the claw holes and disconnect the fuel pump from the fuel filter case.
      GTY655086Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Fuel Filter Case

      HINT: 

      Tape the screwdriver tip before use.

    2. Disconnect the fuel pump wire harness connector from the fuel pump to remove it.
      GTY606237Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the O-ring and spacer from the fuel pump.
      GTY665094Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 O-ring
      *2 Spacer
  4. REMOVE FUEL MAIN VALVE ASSEMBLY 
    1. Remove the fuel main valve from the fuel filter case.
      GTY671579Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 O-ring
      *a Fuel Filter Case
    2. Remove the 2 O-rings from the fuel main valve.
  5. REMOVE NO. 1 FUEL SUCTION SUPPORT 
    1. Detach the 2 claws from the claw holes to remove the fuel suction support.
      GTY611178Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002