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Home >> Lexus >> 2015 >> IS 250 Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 86 (Fuel System (2GR-FSE) - Service Information) >> FUEL INJECTOR (for Direct Injection) >> Removal [04/2013 - 10/2017] >> Procedure

Removal [04/2013 - 10/2017]: Procedure

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  1. REMOVE FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY 

    Refer to REMOVAL [04/2013 - 10/2017] 

  2. REMOVE NO. 3 FUEL PIPE SUB-ASSEMBLY 
    1. Remove the 4 bolts and No. 3 fuel pipe sub-assembly from the fuel delivery pipe sub-assembly.
      GTY457639Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Front
      NOTE:

      Pull and remove the No. 3 fuel pipe sub-assembly in a straight line to avoid damage to the seal surface of the delivery pipe O-rings.

    2. Remove the 2 O-rings, No. 1 back-up ring, No. 2 back-up ring, No. 3 back-up ring and 2 E-rings from the No. 3 fuel pipe sub-assembly.
  3. REMOVE NO. 2 FUEL DELIVERY PIPE SUB-ASSEMBLY 
    1. Disconnect the 3 wire harness clamps.
      GTY460269Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Front Side
    2. Remove the 2 bolts and 2 nuts.
      GTY470988Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Nut
      Bolt
      Front Side
    3. With the connectors still connected, disconnect the No. 2 fuel delivery pipe sub-assembly.
      GTY466710Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Front Side
      NOTE:
      • If fuel intrudes into the combustion chamber, there may be adverse effects to the engine main body.
      • Make sure that the fuel delivery pipe sub-assembly and No. 2 fuel delivery pipe sub-assembly are disconnected from the No. 2 fuel delivery pipe sub-assembly.
      • Be extremely careful not to touch or strike the tips of the fuel injector assembly.
      • Pull and remove the fuel pipe in a straight line without tilting it.
    4. Disconnect the 3 fuel injector assembly connectors.
    5. Remove the 3 injector vibration insulators from the cylinder head sub-assembly.
  4. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY 
    1. Disconnect the fuel pressure sensor connector and wire harness clamp.
      GTY402836Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the 2 wire harness clamps.
      GTY464846Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Front Side
    3. Remove the 2 bolts and 2 nuts.
      GTY459013Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Nut
      Bolt
      Front Side
    4. With the connectors still connected, disconnect the fuel delivery pipe sub-assembly.
      GTY466028Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Front Side
      NOTE:
      • If fuel intrudes into the combustion chamber, there may be adverse effects to the engine main body.
      • Be extremely careful not to touch or strike the tips of the fuel injector assembly.
      • Pull and remove the fuel delivery pipe sub-assembly in a straight line without tilting it.
    5. Disconnect the 3 fuel injector assembly connectors.
    6. Remove the 3 injector vibration insulators from the cylinder head sub-assembly.
  5. REMOVE FUEL INJECTOR ASSEMBLY 
    1. Secure the fuel delivery pipe sub-assembly and No. 2 fuel delivery pipe sub-assembly in a vise between aluminum plates and pull out the 6 fuel injector assemblies.
      NOTE:
      • Pull and remove each fuel injector assembly in a straight line to avoid damage to the seal surface of the fuel delivery pipe sub-assembly and No. 2 fuel delivery pipe sub-assembly O-ring.
      • For reinstallation, attach a tag or label with the corresponding cylinder number to each fuel injector assembly.
      GTY461698Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the nozzle holder clamp from each fuel injector assembly.
    3. Remove the O-ring, No. 1 back-up ring, No. 2 back-up ring, No. 3 back-up ring, and E-ring from each fuel injector assembly.
  6. REMOVE FUEL INJECTOR SEAL 
    1. Using the tip of needle nose pliers, pinch and pull either of the 2 fuel injector seals at several points to stretch it. Repeat this for the other fuel injector seal.
      GTY463303Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Excessively pinching the fuel injector seal may damage the groove of the fuel injector assembly.
      • If a fuel injector assembly is dropped or the tip of a fuel injector assembly is struck, replace it with a new one.
    2. Remove the 2 fuel injector seals from the fuel injector assembly.
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