Fuel Injector: Installation

INSTALL FUEL INJECTOR ASSEMBLY
1. Apply a light coat of gasoline to new O-rings, then install one onto each fuel injector.
2. Apply a light coat of gasoline to the contact surfaces of the fuel delivery pipe and the O-ring of the fuel injector.
  
  Fig 1: Identifying O-Ring Of Fuel Injector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. While turning the fuel injector left and right, install it onto the fuel delivery pipe.
  NOTE:
  - Do not twist the O-ring.
  - After installing the fuel injectors, check that they turn smoothly. If they do not, replace the O-ring with a new one.
    
    Fig 2: Turning Fuel Injector Left And Right
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL INJECTOR VIBRATION INSULATOR
1. Install 4 new injector vibration insulators onto the cylinder head.
  
  Fig 3: Locating Injector Vibration Insulators
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL NO. 1 DELIVERY PIPE SPACER
1. Install the 2 No. 1 delivery pipe spacers onto the cylinder head.
  NOTE: Install the No. 1 delivery pipe spacers in the correct direction.
  
  Fig 4: Locating No. 1 Delivery Pipe Spacers
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL FUEL DELIVERY PIPE SUB-ASSEMBLY
1. Install the fuel delivery pipe with the 4 fuel injectors, then provisionally install the 3 bolts.
  NOTE:
  - Do not drop the fuel injectors when installing the fuel delivery pipe.
  - Check that the fuel injectors rotate smoothly after installing the fuel delivery pipe.
2. Tighten the 3 bolts to the specified torque.
  Torque: 21 N*m (214 kgf*cm, 16 ft.*lbf)
  
  Fig 5: Locating Fuel Delivery Pipe, Fuel Injectors And Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CONNECT FUEL TUBE SUB-ASSEMBLY
1. Insert the fuel tube connector into the fuel pipe until a click sound can be heard.
  NOTE:
  - Check that there are no scratches or foreign matter around the disconnected parts of the fuel tube connector and pipe before performing this work.
  - After connecting the fuel tube, check that the fuel tube connector and pipe are securely connected by pulling them.
    
    Fig 6: Connecting Fuel Tube Sub-Assembly
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL FUEL PIPE CLAMP
1. Install the fuel pipe clamp.
  
  Fig 7: Locating Fuel Pipe Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CONNECT VACUUM HOSE
1. Connect the vacuum hose.
  
  Fig 8: Locating Vacuum Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CONNECT NO. 1 FUEL VAPOR FEED HOSE
1. Connect the No. 1 fuel vapor feed hose.
  
  Fig 9: Locating No. 1 Fuel Vapor Feed Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL HARNESS BRACKET
1. Install the 2 harness brackets with the 2 bolts.
  Torque: 13 N*m (130 kgf*cm, 9 ft.*lbf)
  
  Fig 10: Locating Harness Brackets With Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Connect the 5 wire harness clamps shown in the illustration.
  
  Fig 11: Locating Wire Harness Clamps
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL ENGINE WIRE HARNESS
1. Install the engine wire harness with 3 bolts and harness clamp.
2. Connect the 4 fuel injector connectors.
  
  Fig 12: Locating Fuel Injector Connectors
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL NO. 2 VENTILATION HOSE
1. Install the No. 2 ventilation hose.
  
  Fig 13: Locating No. 2 Ventilation Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT FOR FUEL LEAK
INSTALL NO. 2 CYLINDER HEAD COVER (See INSTALLATION )