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Home >> Lexus >> 2017 >> ES 350 >> Repair and Diagnosis >> Engine Mechanical >> Fuel System >> Fuel System (Service Information) >> Fuel Injector >> Installation [07/2015 - ] >> Procedure

Installation [07/2015 - ]: Procedure

  1. INSTALL FUEL INJECTOR ASSEMBLY 

    HINT: 

    Perform "Inspection After Repair" after replacing the fuel injector assembly (Refer to INITIALIZATION [07/2015 - ] ).

    1. Apply a light coat of spindle oil or gasoline to new O-rings, and install them to each fuel injector assembly.
    2. Apply a light coat of spindle oil or gasoline where the fuel delivery pipe contacts each O-ring.
      GTY315878Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Turn
      Push
    3. Push and twist each fuel injector assembly to install it into the fuel delivery pipe sub-assembly.
    4. Position each fuel injector connector outward.
      NOTE:
      • Be careful not to twist the O-rings.
      • After installing a fuel injector assembly, check that it turns smoothly. If not, reinstall it with a new O-ring.
  2. INSTALL FUEL DELIVERY PIPE SUB-ASSEMBLY 
    1. Install 6 new injector vibration insulators to the intake manifold.
    2. Place the fuel delivery pipe sub-assembly with the 6 fuel injector assemblies in position on the intake manifold.
      NOTE:

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

    3. Temporarily install the 5 bolts which are used to hold the fuel delivery pipe sub-assembly to the intake manifold.
      GTY168925Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      After installing the fuel injector assemblies, check that they turn smoothly. If not, reinstall them with new O-rings.

    4. Tighten the 5 bolts which are used to hold the fuel delivery pipe sub-assembly to the intake manifold.

      Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf) 

    5. Connect the 6 fuel injector connectors.
  3. CONNECT FUEL TUBE SUB-ASSEMBLY 
    1. Push in the fuel tube connector onto the fuel pipe until the fuel tube connector makes a "click" sound.
      GTY668500Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 No. 2 Fuel Pipe Clamp
      *2 Retainer
      *3 Fuel Tube Connector
      *4 O-ring
      *5 Fuel Pipe
      Push
      NOTE:
      • Before connecting the fuel tube connector and fuel pipe, check that there is no damage or foreign matter on the connecting part of the fuel pipe.
      • After connecting the fuel tube connector and fuel pipe, check that they are securely connected by trying to pull them apart.
    2. Install the No. 2 fuel pipe clamp.
  4. INSTALL INTAKE AIR SURGE TANK ASSEMBLY 

    (Refer to INSTALLATION [07/2015 - ] )

  5. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
    NOTE:

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected (Refer to INITIALIZATION [07/2015 - ] ).

  6. INSPECT FOR FUEL LEAK 

    Refer to PROCEDURE - Step 1