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Home › Toyota › 2005 › Tundra Base, 4.0 U, Automatic › Repair and Diagnosis › Engine Performance › Engine Control Systems › SFI System (1GR-FE) › Injector › Removal

SFI System (1GR-FE): Injector: Removal

  1. PREVENT GASOLINE FROM SPILLING OUT (See  SFI SYSTEM   ) 
  2. DRAIN ENGINE COOLANT 
  3. REMOVE V-BANK COVER 
  4. REMOVE AIR CLEANER (See  REMOVAL  ) 
  5. REMOVE INTAKE AIR SURGE TANK (See  INSTALLATION  ) 
  6. DISCONNECT FUEL PIPE NO.1 
    1. Remove the fuel pipe clamp.
    2. Pinch the tube connector then pull out the fuel pipe.
    NOTE:
    • Check if there is any dirt around the connector before this work, because the quick connector has an O-ring to seal the fuel pipe and fuel delivery pipe. Clean dirt away if necessary. 
    • Do not use any tool in this work. 
      Fig 1: Removing Fuel Pipe Clamp
      G02636111Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    • Do not bend or twist the nylon tube.
    • Keep the plug free from foreign objects.
    • To protect the fuel pipe, cover it with a plastic bag after checking.
    • When the fuel pipe and fuel delivery pipe are stuck, pinch the nylon tube with fingers, and turn it carefully to free and then disconnect the fuel pipe.
    Fig 2: Identifying Tube Connector
    G02636112Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. DISCONNECT FUEL PIPE NO.2 
    1. Remove the fuel pipe clamp.
    2. Pinch the tube connector and then pull out the fuel pipe.
    NOTE:
    • Check if there is any dirt around the connector before this work, because the quick connector has an O-ring to seal the fuel pipe and fuel delivery pipe. Clean dirt away if necessary. 
    • Do not use any tool in this work. 
      Fig 3: Pinching Tube Connector
      G02636113Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    • Do not bend or twist the nylon tube.
    • Keep the plug free from foreign objects.
    • To protect the fuel pipe, cover it with a plastic bag after checking.
    • When the fuel pipe and fuel pressure regulator are stuck, pinch the nylon tube with fingers, and turn it carefully to free and then disconnect the fuel pipe.
    Fig 4: Identifying Tube Connector
    G02636114Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE FUEL DELIVERY PIPE 
    1. Disconnect the 6 fuel injector connectors.
    2. Remove the 6 bolts and fuel delivery pipe together with the 6 fuel injectors.
    NOTE: Be careful not to drop the injectors when removing the fuel delivery pipe. 
    Fig 5: Removing 6 Bolts And Fuel Delivery Pipe
    G02636115Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE FUEL INJECTOR 
    1. Remove the 6 fuel injectors from the fuel delivery pipe.
    2. Remove the O-ring and injector vibration insulator from each fuel injector.
    Fig 6: Removing 6 Fuel Injectors From Fuel Delivery Pipe
    G02636116Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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