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SFI System: Injector: Installation

  1. INSTALL INJECTORS AND DELIVERY PIPES 
    NOTE:
    • Be careful not to drop the injectors when installing the delivery pipes.
    • Pay attention to put any hung load on the injector to and from the side direction.
    1. Install a new grommet to each injector.
    2. Apply a light coat of gasoline to a new O-rings and install it to each injector.
      Fig 1: Installing O-Ring
      G04207848Courtesy 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 injector connector outward.
    5. Place the 4 spacers and 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.
    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 (80 kgf.cm, 66 in.lbf) for bolt 

      Fig 2: Installing Injector
      G04207849Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    9. Install the bolt holding the clamp on the fuel return pipe to the LH delivery pipe.

      Torque: 7.5 N.m (80 kgf.cm, 66 in.lbf) 

      Fig 3: Installing Bolt Holding Clamp
      G04207850Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    10. Check that the injectors rotate smoothly.

      HINT:

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

    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) 

    13. Connect the 8 injectors connectors.
    Fig 4: Checking Injector Rotation
    G04207851Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  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: Connecting Engine Wire Clamps
    G04207852Courtesy 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.
  5. INSTALL THROTTLE BODY COVER BRACKET 

    Install the throttle body cover bracket with the bolt.

  6. INSTALL FUEL PRESSURE PULSATION DAMPER (See  PRECAUTION   ) 
  7. INSTALL INTAKE AIR CONNECTOR 
  8. INSTALL THROTTLE BODY COVER 
    Fig 6: Installing Throttle Body Cover Bracket
    G04207853Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002