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: Identifying Fuel Injector O-Rings
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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 rotate smoothly. If the fuel injector does not rotate, replace the O-ring.
  
  Fig 2: Identifying Correct And Incorrect Position Of Installing O-Ring
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL FUEL DELIVERY PIPE SUB-ASSEMBLY
1. Install 4 new insulators into the cylinder head.
2. Install the 2 delivery pipe spacers onto the cylinder head.
  
  Fig 3: Locating Insulators And Delivery Pipe Spacers
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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.
4. Check that the fuel injector rotate smoothly.
  If the fuel injector does not rotate, replace the O-ring.
5. Retighten the 2 bolts to specified torque.
  Torque: 20 N*m (205 kgf*cm, 15 ft.*lbf)
  
  Fig 4: Identifying O-Ring, Fuel Injector, Insulator And Fuel Delivery Pipe
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
6. Connect the 4 fuel injector connectors.
7. Install the 2 wire harness clamps.
  
  Fig 5: Locating Fuel Injector Connectors And Wire Harness Clamps
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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.
  
  Fig 6: Identifying White Paint Mark And Hose Clamp Correct Position
  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 into the fuel hose clamp.
INSTALL AIR CLEANER CAP SUB-ASSEMBLY (See INSTALLATION )
INSTALL ENGINE COVER SUB-ASSEMBLY (See INSTALLATION )
CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
INSPECT FOR FUEL LEAK
PERFORM INITIALIZATION
1. Perform initialization (see INITIALIZATION ).
  NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.