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Removal [11/2021 - ]: 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 [11/2021 - ]
  2. DISCHARGE FUEL SYSTEM PRESSURE 

    Refer to PRECAUTION [11/2021 - ]

  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 INTAKE MANIFOLD 

    Refer to REMOVAL [11/2021 - ]

  6. REMOVE FUEL PIPE CLAMP 

    See step  7

  7. DISCONNECT FUEL TUBE SUB-ASSEMBLY 
    See step  8
  8. REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY 
    See step  9
  9. REMOVE FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY 
    See step  10
  10. REMOVE FUEL PUMP SPACER GASKET 

    See step  11

  11. REMOVE FUEL PUMP LIFTER ASSEMBLY 

    See step  12

  12. DISCONNECT WIRE HARNESS 
    1. GTY995925Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE FUEL DELIVERY PIPE 
    NOTE:
    • If fuel intrudes into the combustion chamber, there may be adverse effects to the engine main body.
    • When replacing the fuel delivery pipe, it is necessary to replace the No. 1 fuel pipe sub-assembly with a new one.
    • Make sure not to touch or strike the tips of the direct fuel injector assemblies.
    • Pull and remove the fuel delivery pipe in a straight line without tilting it.
    1. GTY996529Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE DIRECT FUEL INJECTOR ASSEMBLY 
    1. GTY1074509Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Secure the fuel delivery pipe in a vise between aluminum plates.
      2. Pull out the 4 direct fuel injector assemblies.
        NOTE:
        • Pull and remove each direct fuel injector assembly in a straight line to avoid damaging the seal surface of the fuel delivery pipe O-ring.
        • After removing the direct fuel injector assemblies, remove any O-rings, No. 1 fuel injector back-up rings and No. 3 fuel injector back-up rings remaining on the fuel delivery pipe side.
        • Attach a tag or label with the corresponding cylinder number to each direct fuel injector assembly so that they can be installed to their original locations.
          GTY996222Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        • Cover the tip of each direct fuel injector assembly to prevent it from being damaged.
  15. REMOVE NOZZLE HOLDER CLAMP 
    1. GTY995404Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. REMOVE NO. 3 FUEL INJECTOR BACK-UP RING 
    NOTE:

    Do not damage the area that contacts the O-ring.
    1. GTY1074305Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using needle nose pliers, remove the No. 3 fuel injector back-up ring from each direct fuel injector assembly.
  17. REMOVE NO. 1 FUEL INJECTOR BACK-UP RING 
    1. GTY996155Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 O-ring *2 No. 1 Fuel Injector Back-up Ring
  18. REMOVE C-RING 
    1. GTY995568Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. REMOVE INJECTOR VIBRATION INSULATOR 
    1. GTY996300Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. REMOVE FUEL INJECTOR SEAL 
    1. GTY1047335Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using the tip of needle nose pliers, pinch and pull the fuel injector seal at several points to stretch it.
        NOTE:
        • Excessively pinching the fuel injector seal may damage the groove of the direct fuel injector assembly.
        • If a direct fuel injector assembly is dropped or the tip of the direct fuel injector assembly is struck, replace it with a new one.
      2. Remove the fuel injector seal from each direct fuel injector assembly.
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