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Home >> Lexus >> 2010 >> RX 350 FWD >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel (Service Information) >> Fuel Injector >> REMOVAL (To 8/2009) >> Removal

REMOVAL (To 8/2009): Removal

  1. PRECAUTION (w/ Navigation System for HDD) 
    NOTE:

    After the engine switch is turned off, the display and navigation module display (HDD navigation system) records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 60 seconds before disconnecting the cable from the negative (-) battery terminal.

  2. PRECAUTION (w/ Air Suspension) 
    NOTE:

    Be sure to read Precaution thoroughly before servicing. Refer to PRECAUTION .

  3. DISCHARGE FUEL SYSTEM PRESSURE 

    HINT: 

    Refer to PRECAUTION .

  4. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    NOTE:

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Refer to REMOVAL - Step 9 .

  5. REMOVE INTAKE AIR SURGE TANK ASSEMBLY 

    HINT: 

    Refer to REMOVAL (TO 8/2009) .

  6. DISCONNECT FUEL TUBE SUB-ASSEMBLY 
    1. Remove the No. 2 fuel pipe clamp.
      Fig 1: Removing No. 2 Fuel Pipe Clamp
      GTY263633Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Pinch the tube connector and pull out the fuel pipe.
      NOTE:
      • Check that there is no dirt or other foreign objects around the connector when disconnecting it. Clean the connector as necessary.
      • It is necessary to prevent dirt or foreign objects from entering the quick connector. If dirt or foreign objects get in the connector, the O-rings may not seal properly.
      • Only disconnect the quick connector by hand.
      • Do not bend, kink or twist the nylon tubes.
      • Protect the connector by covering it with a plastic bag.
      • If the pipe and the connector are stuck, carefully try wiggling or pushing and pulling on the connector to release it. Pull the connector off carefully.
  7. REMOVE FUEL INJECTOR ASSEMBLY 
    1. Disconnect the 6 fuel injector connectors.
      Fig 2: Locating Fuel Injector Connectors
      GTY139844Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 5 bolts and fuel delivery pipe sub-assembly together with the 6 fuel injectors.
      Fig 3: Locating Fuel Delivery Pipe And Fuel Injectors
      GTY139208Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Be careful not to drop the fuel injectors when removing the fuel delivery pipe.

    3. Remove the 6 injector vibration insulators from the intake manifold.
      Fig 4: Locating Injector Vibration Insulators And Intake Manifold
      GTY171257Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Pull out the fuel injectors from the fuel delivery pipe.
      Fig 5: Pulling Out Fuel Injector From Fuel Delivery Pipe
      GTY278053Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      If the injectors are to be reused, reinstall them to the same cylinder they came from.

    5. Remove the 6 O-rings from the injectors.
      Fig 6: Identifying O-ring Location
      GTY250851Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 O-ring