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Home >> Lexus >> 2007 >> GS 430 >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel (3UZ-FE) >> Fuel Pump >> Disassembly

Fuel Pump: Disassembly

  1. REMOVE FUEL SENDER GAUGE ASSEMBLY 
    1. Disconnect the fuel sender gauge connector.
    2. Press down on the sender gauge claw labeled A. Then slide the sender gauge upward.
      Fig 1: Identifying Fuel Sender Gauge Claw Labeled A
      G05287162Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. REMOVE SUB-TANK SUB-ASSEMBLY 
    1. Using a screwdriver, detach the 4 claws from the claw holes and remove the sub-tank.

      HINT:

      Tape the screwdriver tip before use.

  3. REMOVE FUEL PUMP ASSEMBLY 
    1. Disconnect the fuel pump connector.
      Fig 2: Detaching Claws From Claw Holes And Remove Sub-Tank
      G05287163Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Detach the 2 claws from the claw holes and remove the fuel pump.
      Fig 3: Detaching Claws From Claw Holes
      G05287164Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the fuel pump filter seal from the fuel pump.
    4. Remove the fuel pump spacer from the fuel pump.
  4. REMOVE FUEL RELIEF VALVE ASSEMBLY 
    1. Disconnect the fuel pump connector from the fuel filter.
      Fig 4: Locating Fuel Pump Filter Seal From Fuel Pump
      G05287165Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a screwdriver, detach the claw and remove the relief valve.
    Fig 5: Detaching Claw
    G05287166Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE FUEL PRESSURE REGULATOR ASSEMBLY 
    1. Remove the clip and fuel pressure regulator from the relief valve.
      Fig 6: Removing Clip And Fuel Pressure Regulator From Relief Valve
      G05287167Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 O-rings from the fuel pressure regulator.
    Fig 7: Identifying Fuel Pressure Regulator O-Rings
    G05287168Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002