Fuel Injector: Installation

INSTALL FUEL INJECTOR ASSEMBLY
1. Install new insulators onto each fuel injector.
2. Apply a light coat of grease or gasoline to new O-rings and install them onto each fuel injector.
3. Apply a light coat of grease or gasoline to the place where each fuel delivery pipe comes into contact with each O-ring.
  
  Fig 1: Installing Insulators
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. While turning each fuel injector clockwise and counterclockwise, push it into each fuel delivery pipe.
  NOTE:
  - Be careful not to twist the O-ring.
  - After installing the fuel injectors, check that they turn smoothly. If they do not, replace the O-ring of the improperly installed fuel injector with a new one, and install the fuel injector again.
INSTALL FUEL DELIVERY PIPE SUB-ASSEMBLY
1. Install the 2 spacers onto the cylinder head.
  
  Fig 2: Installing Fuel Injector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Install the fuel delivery pipe with the 4 fuel injectors.
  Torque: 19 N*m (194 kgf*cm, 14 ft.*lbf) for bolt A 9.0 N*m (92 kgf*cm, 80 in.*lbf) for bolt B
  NOTE:
  - Be careful not to drop the fuel injectors when installing the fuel delivery pipe.
  - Check that the fuel injectors rotate smoothly after installing the fuel delivery pipe.
3. Connect the 4 fuel injector connectors.
  
  Fig 3: Installing Fuel Delivery Pipe
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CONNECT FUEL TUBE SUB-ASSEMBLY
1. Connect the fuel tube.
  1. Check the connected part of the pipe for damage or foreign objects.
  2. Align the axis of the connector with the axis of the pipe, and push the pipe into the connector until the connector makes a "click" sound. If the connection is tight, apply a small amount of fresh engine oil to the tip of the pipe.
    
    Fig 4: Connecting Fuel Tube
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. After finishing the connection, check that the pipe and connector are securely connected by pulling them.
2. Install the fuel pipe clamp.
INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY (See INSTALLATION )
INSTALL IGNITION COIL (See INSTALLATION )
CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
CHECK FOR FUEL LEAKS (See ON-VEHICLE INSPECTION )
INSTALL NO. 2 CYLINDER HEAD COVER

Fig 5: Inspecting Fuel Tube
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Install the cylinder head cover.
2. First tighten the nuts labeled A, and then tighten the nuts labeled B.
  Torque: 7.0 N*m (71 kgf*cm, 62 in.*lbf)
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.
  
  Fig 6: Installing Cylinder Head Cover
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002