Fuel Injector: Installation

INSTALL FUEL INJECTOR ASSEMBLY
1. Apply a light coat of gasoline or spindle oil to new O-rings, and 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 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, and then install the fuel injectors onto the fuel delivery pipe.
  NOTE: Make sure that the O-ring is not cracked or jammed when installing the injector.
4. Check that the fuel injector rotates smoothly. If the fuel injector does not rotate, replace the O-ring.
Fig 2: Identifying Fuel Delivery Pipe And O-Ring Correct And Incorrect Installation Position
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL FUEL DELIVERY PIPE SUB-ASSEMBLY
1. Install 4 new injector vibration insulators to the cylinder head.
  
  Fig 3: Locating Fuel Delivery Spacers And Injector Vibration Insulators
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Install the 2 fuel delivery spacers onto the cylinder head.
  HINT:
  
  Install the fuel delivery spacer so that the longer protrusion is on the cylinder head side.
  
  Fig 4: Installing Fuel Delivery Spacers Onto Cylinder Head
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Install the fuel delivery pipe together with the 4 fuel injectors to the cylinder head, and then temporarily install the 2 bolts.
  NOTE: Be careful not to drop the fuel injectors when installing the fuel delivery pipe.
4. Check that the fuel injector rotates smoothly. If the fuel injector does not rotate, replace the O-ring.
  
  Fig 5: Identifying Fuel Delivery Pipe, Fuel Injector, O-Ring And Insulator
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Tighten the 2 bolts to the specified torque.
  Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf)
  
  Fig 6: Locating Fuel Delivery Pipe Sub-Assembly Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CONNECT WIRE HARNESS
1. Install the 2 wire harness brackets with the 2 bolts.
  Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
2. Connect the 3 connectors.
3. Connect the 4 fuel injector connectors.
4. Attach the 2 clamps to connect the wire harness.
INSTALL VACUUM SWITCHING VALVE ASSEMBLY (for ACIS) (See INSTALLATION )

Fig 7: Locating Fuel Injector Connectors And Wire Harness Brackets Bolts
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CONNECT FUEL TUBE SUB-ASSEMBLY
1. Push the tube connector to the pipe until the tube connector makes a "click" sound.
  NOTE:
  - Before connecting the connector and fuel pipe, check that there is no damage or foreign matter on the connecting part of the fuel pipe.
  - After connecting the fuel tube connector and pipe, check that they are securely connected by trying to pull them apart.
  Fig 8: Identifying No. 1 Fuel Pipe Clamp And Fuel Hose Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Install the No. 1 fuel pipe clamp.
3. Install the fuel tube sub-assembly to the fuel hose clamp.
INSTALL AIR CLEANER CAP SUB-ASSEMBLY (See INTAKE MANIFOLD )
INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY (See INSTALLATION )
CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
NOTE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See INITIALIZATION ).
INSPECT FOR FUEL LEAK (See ON-VEHICLE INSPECTION )