2007 Lexus ES 350FACTORY OEM SERVICE PROCEDURE

Fuel Pump: Reassembly

  1. INSTALL FUEL PRESSURE REGULATOR ASSEMBLY 
    1. Apply a light coat of spindle oil or gasoline to a new O-ring, and install it to the fuel pressure regulator.
      Fig 1: Identifying Fuel Pressure Regulator O-Ring
      G04975047Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Push in the fuel pressure regulator to the fuel filter.
      Fig 2: Identifying Fuel Pressure Regulator
      G04975048Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL FUEL PUMP 
    1. Apply a light coat of gasoline or grease to the O-ring of the fuel pump.
    2. Push in the fuel pump to the fuel filter.
      Fig 3: Identifying Fuel Pump
      G04975043Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL FUEL PUMP HARNESS 
    1. Connect the connector (*1).
    2. Install the fuel pump harness (*2).
      Fig 4: Locating Fuel Pump Harness And Connector
      G04975042Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSTALL FUEL SUCTION PLATE SUB-ASSEMBLY 
    1. Connect the fuel pump connector (*1).
    2. Install the fuel suction plate.
      Fig 5: Locating Fuel Suction Plate And Fuel Pump Connector
      G04975051Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. INSTALL FUEL SENDER GAUGE ASSEMBLY 
    1. Slide the fuel sender gauge to engage with the claw (*1).
    2. Connect the fuel sender gauge connector (*2).
      Fig 6: Sliding Fuel Sender Gauge To Engage With Claw
      G05134533Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. INSTALL FUEL PUMP CUSHION RUBBER 
    1. Install the fuel pump cushion rubber to the fuel pump.
      Fig 7: Locating Fuel Pump Cushion Rubber
      G04975039Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. INSTALL NO. 2 FUEL SUCTION SUPPORT 
    1. Install the No. 2 fuel suction support.
      Fig 8: Locating Fuel Suction Support
      G04975054Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.