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Home >> Lexus >> 2021 >> RX 450h Base >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System (Service Information) >> Fuel Main Valve >> Installation [10/2015 - ] >> Procedure

Installation [10/2015 - ]: Procedure

  1. INSTALL FUEL MAIN VALVE ASSEMBLY 
    1. Apply gasoline to 2 new O-rings. Then install the O-rings to the fuel main valve assembly (for Low Pressure).
    2. Apply gasoline to 2 new O-rings. Then install the O-rings to the fuel main valve assembly (for High Pressure).
    3. Install the 2 fuel main valve assemblies to the fuel filter assembly.
      GTY638797Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Fuel Main Valve Assembly (for Low Pressure) *2 Fuel Main Valve Assembly (for High Pressure)
      *a Identification Mark (Part Number) - -
      NOTE:
      • Make sure that the O-rings are not cut or pinched during installation.
      • The fuel main valve assembly (for Low Pressure) and fuel main valve assembly (for High Pressure) have identification marks (part numbers). If the parts are installed in the incorrect positions, the engine may stall. Therefore, make sure to install the parts in the correct positions.

      HINT: 

      A Fuel Main Valve Assembly (for Low Pressure) 23070-31***
      B Fuel Main Valve Assembly (for High Pressure) 23070-36***
    4. Install the 2 clips to the fuel filter assembly.
  2. INSTALL FUEL PUMP FILTER 

    See step  2

  3. INSTALL FUEL PUMP CUSHION RUBBER 

    See step  3

  4. INSTALL NO. 2 FUEL SUCTION SUPPORT 

    See step  4

  5. CONNECT FUEL PUMP HARNESS 

    See step  5

  6. INSTALL FUEL SUCTION PLATE SUB-ASSEMBLY 

    See step  6

  7. INSTALL FUEL SENDER GAUGE ASSEMBLY 

    See step  1

  8. INSTALL FUEL TANK PRESSURE SENSOR (VAPOR PRESSURE SENSOR ASSEMBLY) 

    Refer to PROCEDURE - Step 1

  9. INSTALL FUEL SUCTION TUBE WITH PUMP AND GAUGE ASSEMBLY 

    Refer to INSTALLATION [10/2015 - ]