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Removal [11/2021 - ]: Procedure

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  1. REMOVE FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY 

    Refer to REMOVAL [11/2021 - ] 

  2. DISCONNECT WIRE HARNESS 
    1. GTY1075760Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. 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. GTY1075759Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. 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.
  5. REMOVE NOZZLE HOLDER CLAMP 
    1. GTY995404Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. 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.
  7. 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
  8. REMOVE C-RING 
    1. GTY995568Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE INJECTOR VIBRATION INSULATOR 
    1. GTY996300Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. 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.