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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 24 (Fuel System - Service Information (1 Of 2)) >> FUEL INJECTOR (for Port Injection) >> Removal [10/2022 - 08/2023] >> Procedure

Removal [10/2022 - 08/2023]: Procedure

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  1. PRECAUTION 
    NOTE:

    After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.

    Refer to BEFORE DISCONNECTING BATTERY [10/2022 - ]
  2. DISCHARGE FUEL SYSTEM PRESSURE 

    Refer to PRECAUTION [10/2022 - 08/2023]

  3. REMOVE BATTERY SERVICE COVER PLATE 

    Refer to PROCEDURE - Step 2

  4. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL 

    Refer to PROCEDURE - Step 3

  5. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY 

    Refer to REMOVAL [10/2022 - 08/2023]

  6. REMOVE EGR VALVE ASSEMBLY 

    Refer to REMOVAL [10/2022 - 08/2023]

  7. REMOVE NO. 2 WATER BY-PASS PIPE 
    Refer to PROCEDURE - Step 12
  8. REMOVE FUEL PIPE CLAMP 

    Refer to PROCEDURE - Step 7

  9. DISCONNECT FUEL TUBE SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 8
  10. REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 9
  11. REMOVE FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY 
    Refer to PROCEDURE - Step 10
  12. REMOVE FUEL PUMP SPACER GASKET 

    Refer to PROCEDURE - Step 11

  13. REMOVE FUEL PUMP LIFTER ASSEMBLY 

    Refer to PROCEDURE - Step 12

  14. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY 
    NOTE:

    If fuel intrudes into the combustion chamber, there may be adverse affects to the engine main body.
    1. GTY1074058Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disconnect the No. 5 engine wire connector.
      2. Remove the 2 bolts and fuel delivery pipe sub-assembly with the 4 port fuel injector assemblies from the cylinder head sub-assembly.
        NOTE:

        Be careful not to drop the port fuel injector assemblies when removing the fuel delivery pipe sub-assembly.

  15. REMOVE NO. 1 DELIVERY PIPE SPACER 
    1. GTY995921Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. REMOVE INJECTOR VIBRATION INSULATOR 
    1. GTY996260Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE NO. 5 ENGINE WIRE 
    1. GTY996262Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. REMOVE PORT FUEL INJECTOR ASSEMBLY 
    NOTE:
    GTY993474Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    • Attach a tag or label with the corresponding cylinder number to each port fuel injector assembly so that they can be installed to their original locations.
    • Cover the port fuel injector assemblies with plastic bags to prevent damage and contamination.
    1. GTY996259Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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