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Home >> Lexus >> 2008 >> GS 460 >> Repair and Diagnosis >> Engine Mechanical >> Fuel System >> Fuel (1UR-FSE) >> Fuel Pump >> Disassembly

Fuel Pump: Disassembly

  1. REMOVE FUEL SENDER GAUGE ASSEMBLY 
    1. Disconnect the fuel sender gauge connector from the fuel suction plate.
    2. Press down on the sender gauge claw labeled A. Then slide the sender gauge upward.
      NOTE: Do not touch the sender plate's resistance plate area or the contact area.
      Fig 1: Disconnecting Fuel Sender Gauge Connector From Fuel Suction Plate
      G05805618Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. SEPARATE FUEL SUCTION PLATE SUB-ASSEMBLY 
    1. Disconnect the fuel pump connector from the fuel suction plate.
      NOTE:
      • Do not damage the wire harness.
      • Do not separate the tube indicated in the illustration (See PRECAUTION  ).
        Fig 2: Locating Fuel Pump Connector From Fuel Suction Plate
        G04947947Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using needle nose pliers, remove the E-ring.
    3. Separate the fuel suction plate and remove the spring from the sub-tank.
      Fig 3: Identifying E-Ring
      G04947948Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE FUEL FILTER 
    1. Disengage the 2 claws and remove the filter from the sub-tank.
      Fig 4: Locating Fuel Filter Claws
      G04947949Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE JET PUMP 
    1. Using a screwdriver with the tip taped, detach the claw of the jet pump nozzle.
      Fig 5: Detaching Claw Of Jet Pump Nozzle
      G05805622Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a screwdriver with the tip taped, remove the jet pump from the sub-tank.
      Fig 6: Identifying Jet Pump From Sub-Tank
      G05805623Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the O-ring from the jet pump.
      Fig 7: Locating O-Ring From Jet Pump
      G04947958Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE FUEL PUMP HARNESS 
    1. Disconnect the fuel pump connector from the fuel pump then remove the fuel pump harness.
      Fig 8: Locating Fuel Pump Harness
      G04947952Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE NO. 1 FUEL SUCTION SUPPORT 
    1. Using a screwdriver with the tip taped, disengage the claw and remove the No. 1 fuel suction support.
      Fig 9: Disengaging Claw
      G05805626Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE FUEL PUMP ASSEMBLY 
    1. Disengage the 5 claws on the filter and remove the fuel pump from the fuel filter.
      Fig 10: Locating Fuel Pump Assembly Claws
      G05750067Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the O-ring and spacer from the fuel pump.
      Fig 11: Identifying O-Ring And Spacer From Fuel Pump
      G05008916Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002