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Engine Control System (SFI): Injector: Installation

  1. INSTALL INJECTORS AND DELIVERY PIPES 
    1. Apply a light coat of spindle oil or gasoline onto a new O-ring, and install it to each injector.
      Fig 1: Installing O-Ring To Injector
      G02631021Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the 2 spacers and 4 new insulators to the cylinder head.
      Fig 2: Installing Spacers And Insulators To Cylinder Head
      G02631022Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Apply a light coat of spindle oil or gasoline on the place where a delivery pipe touches the O-ring.
    4. While turning the injector clockwise and counterclockwise, push it to the delivery pipes. Then install the 4 injectors.
    5. Position the injector connector upward.
      Fig 3: Positioning Injector Connector Upward
      G02631023Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Attach the delivery pipe together with the 4 injectors to the cylinder head.
    7. Temporarily install the 2 bolts to hold the delivery pipe to the cylinder head.
      Fig 4: Identifying Delivery Pipe Bolts
      G02631024Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Check that the injectors rotate smoothly.

      HINT:

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

    9. Position the injector connector upward.
      Fig 5: Rotating Injectors And Positioning Injector Connector Upward
      G02631025Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    10. Tighten the 2 bolts holding the delivery pipe to the cylinder head.

      Torque: 19 N.m (190 kgf.cm, 13 ft.lbf) 

    11. Connect the 4 injector connectors.
    Fig 6: Identifying Delivery Pipe Bolts
    G02631026Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. CONNECT WIRE HARNESS CLAMPS 

    Connect the 3 wire harness clamps to the clamp brackets.

  3. CONNECT PCV HOSE 
  4. INSTALL NO. 2 CYLINDER HEAD COVER 
  5. INSTALL SUSPENSION UPPER BRACE 
    Fig 7: Connecting Wire Harness Clamps To Clamp Brackets
    G02631027Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002