Fuel Injector: Installation

1. Apply a light coat of gasoline or spindle oil to a new O-ring, then install it onto each fuel injector.
   Fig 1: Installing O-Ring

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2. Apply a light coat of gasoline or spindle oil to the fuel delivery pipe which comes into contact with the O-ring of the fuel injector.
3. Apply a light coat of gasoline or spindle oil to the O-ring again, then install the fuel injector right and left into the fuel delivery pipe.
   NOTE: Make sure that the O-ring is not cracked or jammed when installing.
4. Check that the fuel injector rotates smoothly. If the fuel injector does not rotate, replace the O-ring.
   Fig 2: Installing Fuel Injector

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1. Install 4 new insulators into the cylinder head [A].
2. Install the 2 delivery pipe No. 1 spacers onto the cylinder head [B].
   NOTE: Make sure that the delivery pipe No. 1 spacer is in the correct direction when installing.
   Fig 3: Installing Insulators And Delivery Pipe No. 1 Spacers Onto Cylinder Head

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3. Install the fuel delivery pipe together with the 4 fuel injectors, then temporarily tighten the fuel delivery pipe sub-assembly with the 3 bolts [C].
   NOTE: Do not drop the fuel injectors when installing the fuel delivery pipe.
4. Check that the fuel injector rotates smoothly [D].

   If the fuel injector does not rotate, replace the O-ring.

5. Retighten the 3 bolts to the specified torque [E].

   Torque: Bolt A 

   29 Nm (295 kgf cm, 21 ft. lbf) 

   Bolt B 

   9.0 Nm (90 kgf cm, 80 ft. lbf) 

   Fig 4: Identifying Bolt A And B

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6. Install the clamp with the bolt [F].

   Torque: 9.0 Nm (90 kgf cm, 80 in. lbf) 

   Fig 5: Installing Clamp With Bolt

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7. Connect the fuel tube [G].
   1. Align the fuel tube connector with the pipe, then push the fuel tube connector in until the retainer makes a "click" sound to connect the fuel tube to the pipe.
      NOTE:

      • Check that there are no scratches or foreign objects around the connected part of the fuel tube connector and pipe before performing this work.
      • After connecting the fuel tube, check that the fuel tube is securely connected by pulling the fuel tube connector.
        Fig 6: Connecting Fuel Tube

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8. Install the fuel pipe clamp No. 1 [H].
9. Connect the camshaft position sensor connector [I].
10. Connect the 4 fuel injector connectors [J].
11. Tighten the bolt [K].

    Torque: 10 Nm (100 kgf cm, 7 ft. lbf) 

    Fig 7: Connecting Fuel Injector Connectors

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1. Install the ventilation hose.
   NOTE: Make sure that the hose clamp is at the correct angle when installing.
   Fig 8: Installing No. 1 Ventilation Hose

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1. Install the No. 2 ventilation hose.
   NOTE: Make sure that the hose clamp is at the correct angle when installing.

Torque: 5.4 Nm (55 kgf cm, 48 in. lbf) 

Check fuel leakage (See PRECAUTION  ).

Fig 9: Installing No. 2 Ventilation Hose

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1. Install the No. 2 cylinder head cover with the nut and 3 bolts.

   Torque: 7.0 Nm (70 kgf cm, 62 in. lbf) 

   Fig 10: Installing No. 2 Cylinder Head Cover

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002