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 O-Ring And Insulator
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. While turning each fuel injector clockwise and counterclockwise, push it into each fuel delivery pipe.
  
  Fig 2: Installing Fuel Injector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  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.
2. Install the fuel delivery pipe with the 4 fuel injectors.
  
  Fig 3: Installing Fuel Delivery Pipe
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  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.
CONNECT FUEL TUBE SUB-ASSEMBLY
1. Connect the fuel tube.
  1. Check the connected part of the pipe for damage or foreign objects.
    
    Fig 4: Pushing Pipe Into Connector
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  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.
  3. After finishing the connection, check that the pipe and connector are securely connected by pulling them.
    
    Fig 5: Checking Proper Connection Of Pipe And Connector
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Install the fuel pipe clamp.
INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY (See ADJUSTMENT )
INSTALL IGNITION COIL (See INSTALLATION )
CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
CHECK FOR FUEL LEAKS (See FUEL INJECTOR )
INSTALL NO. 2 CYLINDER HEAD COVER
1. Install the cylinder head cover.
2. First tighten the nuts labeled A, and then tighten the nuts labeled B.
  
  Fig 6: Installing Cylinder Head Cover
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Torque: 7.0 N*m (71 kgf*cm, 62 in.*lbf)