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: Identifying 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 onto 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 spacers are installed in the correct direction.
   Fig 3: Locating Insulators And Spacers

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3. Install the fuel delivery pipe together with the 4 fuel injectors, then temporarily tighten 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. Tighten the 3 bolts to the specified torque (E).

   Torque: Bolt A 19 N*m (194 kgf*cm, 14 ft.*lbf) 

   Bolt B 9.0 N*m (92 kgf*cm, 80 in.*lbf) 

   Fig 4: Locating Bolts

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6. Connect the fuel tube (F).
   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 5: Connecting Fuel Tube

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7. Install the fuel pipe clamp No. 1 (G).
8. Install the 3 wire harness clamps (H).
9. Connect the 4 fuel injector connectors (I).
   Fig 6: Locating Wire Harness Clamps And Fuel Injector Connectors

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1. Connect the ventilation hose to the cylinder head cover.
   NOTE: Make sure that the hose clamp is at the correct angle when installing.

Torque: 5.4 N*m (55 kgf*cm, 48 in.*lbf) 

1. Install the No. 2 cylinder head cover with the 2 nuts and 2 clips.

   Torque: 7.0 N*m (70 kgf*cm, 62 in.*lbf) 

   Fig 8: Locating No. 2 Cylinder Head Cover Nuts And Clips

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002