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Home >> Lexus >> 2018 >> IS 350 Base, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (2GR-FKS) - Service Information >> Throttle Body >> Removal [10/2017 - 09/2020] >> Procedure
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Removal [10/2017 - 09/2020]: Procedure

  1. REMOVE V-BANK COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 3

  2. DRAIN ENGINE COOLANT 

    Refer to PROCEDURE - Step 2

  3. REMOVE INTAKE AIR SOUND CREATOR (w/ INTAKE AIR SOUND CREATOR) 

    HINT: 

    Only perform this procedure when replacement of the intake air sound creator is necessary.

    1. Loosen the hose clamp.
      GTY419192Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the bolt and intake air sound creator from the air cleaner cap with air cleaner hose.
  4. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE 
    1. Slide the clip and disconnect the No. 2 ventilation hose from the cylinder head cover sub-assembly.
      GTY794084Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A w/ Intake Air Sound Creator
      *B w/o Intake Air Sound Creator
    2. Disconnect the mass air flow meter sub-assembly connector.
      GTY825729Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the wire harness clamp from the air cleaner cap with air cleaner hose.
    4. Disengage the clamp to disconnect the fuel vapor feed hose from the air cleaner cap with air cleaner hose.
      GTY833406Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Release the 4 clamps.
      GTY794811Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A w/ Intake Air Sound Creator
      *B w/o Intake Air Sound Creator
    6. Loosen the hose clamp and remove the air cleaner cap with air cleaner hose from the throttle body with motor assembly.
  5. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY 
    1. Slide the clip and disconnect the No. 16 water by-pass hose from the throttle body with motor assembly.
      GTY658578Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the throttle body with motor assembly connector.
      GTY658576Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the 4 bolts and separate the throttle body with motor assembly from the intake air surge tank assembly.
    4. Slide the clip and disconnect the water by-pass hose to remove the throttle body with motor assembly.
      GTY658577Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE THROTTLE BODY GASKET 
    1. Remove the throttle body gasket from the intake air surge tank assembly.
      GTY833404Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002