Fuel Injector: Installation

1. Apply a light coat of gasoline or spindle oil to new O-rings, then install one onto each fuel injector.
2. Apply a light coat of gasoline or spindle oil to the contact surfaces of the fuel delivery pipe and the O-ring of the fuel injector.
   Fig 1: Identifying O-Rings

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3. While turning the fuel injector left and right, install it onto the fuel delivery pipe.
   NOTE:

   • Do not twist the O-ring.
   • After installing the fuel injectors, check that they turn smoothly. If not, replace the O-ring with a new one.
   Fig 2: Turning Fuel Injector

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1. Install 4 new injector vibration insulators onto the cylinder head.
   Fig 3: Locating New Injector Vibration Insulators

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1. Install the 2 No. 1 delivery pipe spacers onto the cylinder head.
   NOTE: Install the delivery pipe No. 1 spacer in the correct direction.
   Fig 4: Locating Delivery Pipe No. 1 Spacers

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1. Install the fuel delivery pipe sub-assembly with the 4 fuel injectors, then provisionally install the 3 bolts.
   NOTE:

   • Do not drop the fuel injectors when installing the fuel delivery pipe sub-assembly.
   • Check that the fuel injectors rotate smoothly after installing the fuel delivery pipe sub-assembly.
   Fig 5: Locating Fuel Delivery Pipe Sub-Assembly

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2. Tighten the 3 bolts to the specified torque.

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

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

   Fig 6: Locating Fuel Delivery Pipe Sub-Assembly Bolts

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1. Insert the fuel tube connector into the fuel delivery pipe until a click sound can be heard.
   NOTE:

   • Check that there are no scratches or foreign matter around the disconnected parts of the fuel tube connector and pipe before performing this work.
   • After connecting the fuel tube, check that the fuel tube connector and pipe are securely connected by pulling them.
   Fig 7: Locating Fuel Tube Connector

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2. Install the fuel pipe clamp.
   Fig 8: Locating Fuel Pipe Clamp

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1. Apply seal packing to the cylinder head as shown in Fig 9 .

   Seal Packing: 

   Toyota Genuine Seal Packing Black, Three Bond 1207B or Equivalent 

   NOTE:

   • Remove any oil from the contact surface.
   • Install the cylinder head cover sub-assembly within 3 minutes of applying the seal packing.
   • Do not start the engine for at least 2 hours after the installation.
   Fig 9: Identifying Seal Packing Applying To Cylinder Head

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2. Install the cylinder head cover sub-assembly with the 9 bolts, 2 nuts and 2 seal washers.
3. Tighten the 9 bolts and 2 nuts.

   Torque: 10 N*m (102 kgf*cm, 7.0 ft.*lbf) 

   Fig 10: Identifying Cylinder Head Cover Sub-Assembly Bolts Tightening Sequence

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4. Install the wire harness bracket with the bolt.

   Torque: 13 N*m (133 kgf*cm, 9.6 ft.*lbf) 

   Fig 11: Locating Wire Harness Bracket Bolt

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5. Connect the connector and wire harness clamp and connect the engine wire harness.
   Fig 12: Locating Engine Wire Harness Clamp & Connector

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6. Connect the fuel injector connectors.
   Fig 13: Locating Fuel Injector Connectors

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1. Connect ventilation hose No. 2.
   Fig 14: Locating Ventilation Hose No. 2

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1. Connect the ventilation hose.

Fig 15: Locating Ventilation Hose

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