Fuel Injector: Installation

INSTALL FUEL INJECTOR ASSEMBLY
1. Apply a light coat of gasoline or spindle oil to new O-rings, then install one onto each fuel injector.
  
  Fig 1: Applying Light Coat Of Gasoline Or Spindle Oil To O-Rings
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Apply a light coat of gasoline or spindle oil to the part of 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 right and left fuel injectors 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: Identifying Correct And Incorrect Position Of O-Rings
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL FUEL DELIVERY PIPE SUB-ASSEMBLY
1. Install 4 new insulators into the cylinder head.
  
  Fig 3: Identifying Insulators Into Cylinder Head
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Install the 2 delivery pipe spacers onto the cylinder head.
3. Install the fuel delivery pipe together with the 4 fuel injectors, then temporarily tighten the 2 bolts.
  NOTE: Be careful not to drop the fuel injectors when installing the fuel delivery pipe.
  
  Fig 4: Identifying Fuel Delivery Pipe With Fuel Injectors
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Check that the fuel injector rotates smoothly. If the fuel injector does not rotate, replace the O-ring.
5. Tighten the 2 bolts to the specified torque.
  Torque: 20 N.m (205 kgf.cm, 15 ft.lbf)
  
  Fig 5: Locating Fuel Delivery Pipe Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
6. Connect the 4 fuel injector connectors.
  
  Fig 6: Identifying Fuel Injector Connectors
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
7. Install the 2 wire harness clamps.
CONNECT NO. 2 VENTILATION HOSE
1. Connect the ventilation hose to the ventilation valve.
  NOTE: Make sure that the paint mark and hose clamp are at the correct angle when installing the hose.
  
  Fig 7: Locating Paint Mark And Hose Clamp Are In Correct Angle
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CONNECT FUEL MAIN TUBE
1. Connect the fuel main tube.
2. Push the fuel tube connector until it makes a "click" sound.
3. Install the fuel pipe clamp.
4. Install the fuel tube to the fuel hose clamp.
INSTALL AIR CLEANER CAP SUB-ASSEMBLY (See appropriate step(s) under INSTALLATION )
INSTALL NO. 1 ENGINE COVER (See appropriate step(s) under INSTALLATION )
CONNECT CABLE TO BATTERY NEGATIVE TERMINAL
INSPECT FOR FUEL LEAKS
1. Make sure that there are no fuel leaks after performing maintenance on the fuel system.
  1. Connect the Techstream to the DLC3.
  2. Turn the ignition switch ON, and push the Techstream main switch ON.
    NOTE: Do not start the engine.
  3. Select the Active Test mode on the Techstream.
    HINT:
    
    Refer to the Techstream operator's manual for further details.
  4. Check that there are no leaks from the fuel system.
  5. Turn the ignition switch OFF.
  6. Disconnect the Techstream from the DLC3.