Fuel Injector: Installation

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

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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.
3. Apply a light coat of gasoline or spindle oil to the O-ring again, then install the fuel injector into the fuel delivery pipe by turning it right and left.
   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: Checking Fuel Injector Rotates Smoothly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Apply a light coat of gasoline or spindle oil to new O-rings, then install one onto each spacer.
2. Install the 4 spacers onto the cylinder head.
3. Install 4 new injector vibration insulators onto the cylinder head.
4. Install the 2 delivery pipe No. 1 spacers onto the cylinder head.
   Fig 3: Installing New Injector Vibration Insulators Onto Cylinder Head

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Install the fuel delivery pipe together with the 4 fuel injectors, then provisionally tighten the fuel delivery pipe with the 2 bolts.
   NOTE: Do not drop the fuel injectors when installing the fuel delivery pipe.
6. Check that the fuel injector rotates smoothly. If the fuel injector does not rotate, replace the O-ring.
7. Retighten the 2 bolts to the specified torque.

   Torque: 12 N*m (122 kgf*cm, 9 ft.*lbf) 

   Fig 4: Identifying Fuel Delivery Pipe W/Injector Bolts

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
8. Install the harness clamp bracket with the bolt.

   Torque: 8.2 N*m (84 kgf*cm, 73 in.*lbf) 

9. Connect the wire harness clamp.
10. Connect the compressor magnetic clutch connector. (with AIR CONDITIONING)
    Fig 5: Connecting Compressor Magnetic Clutch Connector

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11. Connect the engine wire harness clamp.
12. Connect the VSV connector.
13. Connect the 4 injector connectors.

Fig 6: Identifying Injector Connectors

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1. Align the fuel hose connector with the pipe stem, and insert the fuel hose until the retainer makes a "click" sound.
2. Push down the checker of the fuel hose.
   NOTE:

   • Check that there are no scratches or foreign objects around the disconnected parts of the fuel hose connector and pipe before performing this work.
   • After connecting the fuel hose, check that the fuel hose is securely connected by pulling the fuel hose connector and pipe.
     Fig 7: Pushing Down Checker Of Fuel Hose

     Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Push the fuel hose down until the checker of the fuel hose makes a "click" sound.

1. Align the fuel hose connector with the pipe stem, and insert the fuel hose until the retainer makes a "click" sound.
2. Push down the checker of the fuel hose.
   NOTE:

   • Check that there are no scratches or foreign objects around the disconnected parts of the fuel hose connector and pipe before performing this work.
   • After connecting the fuel hose, check that the fuel hose is securely connected by pulling the fuel hose connector and pipe.
3. Push the fuel hose down until the checker of the fuel hose makes a "click" sound.
   Fig 8: Pushing Down Checker Of Fuel Hose No. 2

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Torque: 3.9 N*m (40 kgf*cm, 35 in.*lbf)