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 O-Rings Onto Fuel Injector
  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 Fuel Delivery Pipe Installation Positions
  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: Identifying Delivery Pipe With Insulators
  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 Fuel Injector 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: Identifying Wire Harness Clamps And Fuel Injector Connectors
  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.
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 BATTERY NEGATIVE TERMINAL
CHECK FOR FUEL LEAKAGE
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.