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Home >> Lexus >> 2004 >> GS 430 >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> SFI System (3UZ-FE) >> Injector >> Removal

SFI System (3UZ-FE): Injector: Removal

  1. REMOVE V-BANK COVER 
  2. REMOVE INTAKE AIR CONNECTOR PIPE 
  3. DISCONNECT ENGINE WIRE PROTECTOR FROM UPPER INTAKE MANIFOLD AND BEARING CAP 
    1. Remove and disconnect these parts:
      1. VSV connector for EVAP
        Fig 1: Removing VSV Connector For EVAP
        G00853545Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. PCV hose from upper intake manifold
      3. EVAP hose from VSV for EVAP
      4. No. 3 V-bank cover bracket from No. 1 engine hanger
      5. VSV for EVAP from upper intake manifold
      6. No. 2 V-bank cover bracket from upper intake manifold
    2. Remove the 4 bolts, and disconnect the engine wire protector from the intake manifold and camshaft bearing cap.
      Fig 2: Removing Bolts
      G00853546Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. DISCONNECT ENGINE WIRE FROM RH DELIVERY PIPE 

    Disconnect the 2 wire clamps on the engine wire from the brackets on the delivery pipe

  5. REMOVE FUEL PRESSURE PULSATION DAMPERS (See  REMOVAL  ) 
  6. REMOVE DELIVERY PIPES AND INJECTORS 
    NOTE:
    • Be careful not to drop the injectors when removing the delivery pipes.
    • Pay attention to put any hung load on the injector to and from the side direction.
    1. Remove the bolt, and disconnect the No. 1 V-bank cover bracket from the upper intake manifold.
    2. Remove the 2 nuts and V-bank cover bracket sub-assembly.
    3. Disconnect the 8 injector connectors.
    4. Remove the 4 nuts holding the delivery pipes to the lower intake manifold.
    5. Remove the 2 delivery pipes, 8 injectors and 4 spacers.
    6. Fig 3: Removing Delivery Pipes
      G00853547Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. No. 5, No. 6, No. 7 and No. 8 Injectors:

      Remove the injector cover from each injector.

    8. Remove the 2 O-rings, grommet and insulator from each injector.