LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2017 >> Avalon XLE Plus >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System (Service Information) - Except Hybrid >> Fuel Injector >> Removal [10/2014 - ] >> Procedure

Removal [10/2014 - ]: Procedure

  1. PRECAUTION 
    NOTE:

    After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notice before proceeding with work (Refer to PRECAUTION [10/2014 - ] ).

  2. DISCHARGE FUEL SYSTEM PRESSURE 

    (Refer to PRECAUTION [10/2014 - ] )

  3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
  4. REMOVE INTAKE AIR SURGE TANK ASSEMBLY 

    (Refer to REMOVAL [10/2014 - ] )

  5. DISCONNECT FUEL TUBE SUB-ASSEMBLY 
    1. Remove the No. 2 fuel pipe clamp.
      GTY549261Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
      TEXT IN ILLUSTRATION

      *1 No. 2 Fuel Pipe Clamp
      *2 Fuel Tube Connector
      *3 Nylon Tube
      *4 O-ring
      *5 Fuel Pipe
      Pinch
      Pull
    2. Pinch the fuel tube connector and pull out the fuel pipe.
      NOTE:
      • Check for foreign matter on the fuel tube around the fuel tube connector. Clean it if necessary. Foreign matter can affect the ability of the O-ring to seal the fuel tube connector and fuel pipe.
      • Do not use any tools to separate the fuel tube connector and fuel pipe.
      • Do not forcibly bend, kink or twist the nylon tube.
      • Keep the connector and fuel pipe free from foreign matter.
      • If the fuel tube connector and fuel pipe are stuck, push and pull to release them.
      • Cover the fuel tube connector and fuel pipe with plastic bags to prevent damage and contamination.
  6. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY 
    1. Disconnect the 6 fuel injector assembly connectors.
      GTY305460Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    2. Remove the 5 bolts and fuel delivery pipe sub-assembly together with the 6 fuel injector assemblies.
      GTY237465Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
      NOTE:

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

    3. Remove the 6 injector vibration insulators from the intake manifold.
      GTY560010Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  7. REMOVE FUEL INJECTOR ASSEMBLY 
    1. Pull the 6 fuel injector assemblies out of the fuel delivery pipe sub-assembly.
      GTY124446Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
      NOTE:

      If the fuel injector assemblies are to be reused, reinstall them to the same cylinder they came from.

    2. Remove the O-ring from each fuel injector assembly.
      GTY603662Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
      TEXT IN ILLUSTRATION

      *1 O-ring
    3. For reinstallation, attach a tag or label with the corresponding cylinder number to each fuel injector assembly shaft.
      NOTE:

      Protect the fuel injector assemblies by covering them with plastic bags.