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Fuel Injector: Installation

  1. INSTALL INJECTOR AND DELIVERY PIPE 
    NOTE:
    • Be careful not to drop the injectors when installing the delivery pipes. 
    • Do not apply any load to the injector on horizontal direction. 
    1. Install a new grommet to each injector.
    2. Apply a light coat of gasoline to a new O-ring and install it to each injector.
      Fig 1: Installing Grommet & O-Ring To Injector
      G04507446Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. While turning the injector clockwise and counterclockwise, push it to the delivery pipes. Install the 8 injectors.
    4. Position the injector connector outward.
    5. Place the 8 new insulators on the intake manifold.
    6. Place the 2 delivery pipes and injectors assemblies on the lower intake manifold.
    7. Temporarily install the 4 nuts.
      Fig 2: Turning Injector Clockwise & Counterclockwise, Push It To Delivery Pipes
      G04507447Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Install the front fuel pipe with the bolt, 4 new gaskets and 2 union bolts.

      Torque: 39 N*m (400 kgf*cm, 29 ft.*lbf) for union bolts 

      7.5 N*m (76 kgf*cm, 66 in.*lbf) for bolt 

    9. Install the bolt holding the clamp on the fuel return pipe to the LH delivery pipe.

      Torque: 7.5 N*m (76 kgf*cm, 66 in.*lbf) 

      Fig 3: Installing Front Fuel Pipe With Bolt, New Gaskets & Union Bolts
      G04507448Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    10. Check that the injectors rotate smoothly.

      HINT:

      If the injectors do not rotate smoothly, the probable cause is incorrect installation of O-rings. Replace the O-ring of the injector that does not rotate smoothly.

    11. Position injector connector outward.
    12. Tighten the 4 nuts holding the delivery pipes to the lower intake manifold.

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

      Fig 4: Checking that injectors rotate smoothly
      G04507449Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    13. Connect the 8 injector connectors.
  2. INSTALL ENGINE WIRES 
    1. Install the 2 wire clamps on the engine wire to the brackets on the RH delivery pipe.
    2. Connect the engine wire clamps to the No.1 engine hanger and engine wire bracket.
    3. Install the engine wire protector with the 2 bolts.
  3. CONNECT PCV HOSE TO PCV VALVE 
    Fig 5: Installing Engine Wires
    G04507450Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. CONNECT VSV FOR EVAP TO UPPER INTAKE MANIFOLD 
    1. Install the VSV for the EVAP to the upper intake manifold.
    2. Connect the EVAP hose.
    3. Connect the VSV connector for the EVAP.
    4. Fig 6: Connecting VSV For EVAP To Upper Intake Manifold
      G04507451Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. INSTALL THROTTLE BODY COVER BRACKET 
    1. Install the throttle body cover bracket with the bolt.
  6. INSTALL FUEL PRESSURE PULSATION DAMPER 

    (See INSTALLATION  )

  7. INSTALL INTAKE AIR CONNECTOR ASSEMBLY 
  8. INSTALL THROTTLE BODY COVER