Removal [11/2021 - ]: Procedure

Refer to REMOVAL [11/2021 - ] 

1. Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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. Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Courtesy 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.

        Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      • Cover the tip of each direct fuel injector assembly to prevent it from being damaged.

1. Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NOTE: Do not damage the area that contacts the O-ring.

1. Courtesy 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.

1. Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1

   O-ring

   *2

   No. 1 Fuel Injector Back-up Ring

1. Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Courtesy 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.