2004 Toyota Celica GT, StandardFACTORY OEM SERVICE PROCEDURE

SFI System: Injector: Installation

  1. INSTALL INJECTORS AND DELIVERY PIPES 
    1. Install the grommet to each injector.
    2. Apply a light coat of spindle oil or gasoline to new O-ring and install them to each injector.
      Fig 1: Installing Grommet To Each Injector
      G00945171Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Apply a light coat of spindle oil or gasoline on the place where a delivery pipe touches on O-ring.
    4. While turning the injector clockwise and counterclockwise, push it to the delivery pipes. Install the 4 injectors.
    5. Position the injector connector outward.
      Fig 2: While Turning Injector , Push It To Delivery Pipes
      G00945172Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Place the 2 spacers in position on the cylinder head.
    7. Apply a light coat of spindle oil or gasoline on the place where a cylinder head touches an O-ring of the injector.
    8. Place the delivery pipe and fuel pipe together with the injectors in position on the cylinder head.
      Fig 3: Placing Spacers In Position On Cylinder Head
      G00945173Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    9. Temporarily install the 2 bolts holding the delivery pipe to the cylinder head.
    10. Temporarily install the bolt holding the fuel pipe to the cylinder head.
      Fig 4: Temporarily Install Bolts Holding Delivery Pipe To Cylinder Head
      G00945174Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    11. Check that the injectors rotate smoothly.
      Fig 5: Checking Injectors Rotate Smoothly
      G00945175Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

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

    12. Position the injector connector outward.
    13. Tighten the 2 bolts holding the delivery pipe to the cylinder head.

      Torque: 

      • 1ZZ-FE: 19 N.m (190 kgf.cm, 14 ft.lbf) 
      • 2ZZ-GE: 29 N.m (290 kgf.cm, 21 ft.lbf) 
    14. Tighten the bolt holding the fuel pipe to the cylinder head.
      • Torque: 9 N.m (92 kgf.cm, 7 ft.lbf) 
    Fig 6: Tightening Bolt Holding Fuel Pipe To Cylinder Head
    G00945176Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. CONNECT FUEL TUBE 
    1. Connect the fuel tube (fuel tube connector) to the fuel pipe.
      Fig 7: Connecting Fuel Tube (Fuel Tube Connector) To Fuel Pipe
      G00945177Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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