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Home >> Lexus >> 2012 >> RX 350 AWD >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System (Service Information) >> Fuel Pressure Regulator >> Removal >> Removal

Fuel Pressure Regulator: Removal: Removal

  1. REMOVE FUEL SUCTION TUBE ASSEMBLY WITH PUMP AND GAUGE 
    1. Remove the fuel suction tube assembly with pump and gauge. Refer to REMOVAL .
  2. REMOVE FUEL SENDER GAUGE ASSEMBLY  See step  2
  3. REMOVE FUEL SUCTION PLATE SUB-ASSEMBLY 
    1. Disconnect the fuel pump connector from the fuel suction plate.
      Fig 1: Location of Fuel Pump Connector
      GTY100268Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Do not damage the wire harness.

    2. Using needle nozzle pliers, remove the E-ring.
      Fig 2: Remove The E-Ring
      GTY283987Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 E-ring
    3. Separate the fuel suction plate sub-assembly and remove the spring from the No. 1 fuel sub-tank.
      Fig 3: Identifying spring
      GTY285449Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Tube
      NOTE:

      Do not disconnect the tube shown in the illustration when disassembling the fuel suction tube assembly with pump and gauge. Doing so will cause reassembly of the fuel suction tube assembly with pump and gauge to be impossible as the tube is welded to the plate.

    4. Disengage the 2 claws and remove the fuel filter from the No. 1 fuel sub-tank.
      Fig 4: Identifying 2 Claws
      GTY268946Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Using a screwdriver with the tip taped, disengage the claw of the jet pump nozzle.
      Fig 5: Identifying Claw
      GTY271570Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Separate the fuel pump filter hose.
    7. Using a screwdriver with the tip taped, remove the fuel pump filter hose.
      Fig 6: Remove The Fuel Pump Filter Hose
      GTY270881Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE FUEL PUMP ASSEMBLY WITH FILTER 
    1. Using a screwdriver with its tip wrapped in protective tape, disengage the 5 claws and remove the fuel pump assembly with filter from the fuel filter.
      Fig 7: Identifying Disengage The 5 Claws
      GTY257013Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Do not damage the fuel filter.
      • Do not remove the suction filter.
      • Do not use either the fuel pump or the suction filter if the suction filter is removed from the fuel pump.
    2. Disconnect the fuel pump connector.
      Fig 8: Identifying Fuel Pump Connector
      GTY262291Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the fuel pump filter seal from the fuel pump. If the fuel pump filter seal still remains in the fuel filter element, remove it using a wire tip (1 mm) that is formed as shown in the illustration.
      Fig 9: Identifying Wire Tip (1 mm) That Is Formed
      GTY266102Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Be careful not to damage the sealing surfaces.

    4. Remove the fuel pump spacer from the fuel pump.
      Fig 10: Identifying Fuel Pump Spacer
      GTY282004Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE NO. 1 FUEL SUCTION SUPPORT 
    1. Using a screwdriver with the tip taped, disengage the claw and remove the fuel No. 1 suction support.
      Fig 11: Identifying Claw
      GTY271093Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE FUEL PRESSURE REGULATOR ASSEMBLY 
    1. Remove the pressure regulator from the fuel filter.
      Fig 12: Identifying Fuel Pressure Regulator Assembly
      GTY340275Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 O-rings from the fuel pressure regulator.
      Fig 13: Remove The 2 O-rings
      GTY274285Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 O-ring