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Home >> Lexus >> 2016 >> RC 300 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2GR-FSE) - Service Information >> Throttle Body >> Removal [10/2015 - 11/2017] >> Procedure
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Removal [10/2015 - 11/2017]: Procedure

  1. REMOVE V-BANK COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 4

  2. REMOVE CENTER NO. 4 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 2

  3. DRAIN ENGINE COOLANT 

    Refer to PROCEDURE - Step 5

  4. 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 hose assembly.
  5. REMOVE ENGINE ROOM SIDE COVER 

    Refer to PROCEDURE - Step 1

  6. DISCONNECT NO. 2 VENTILATION HOSE 
    1. Slide the clip and disconnect the No. 2 ventilation hose from the cylinder head cover sub-assembly.
      GTY654167Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A w/ Intake Air Sound Creator
      *B w/o Intake Air Sound Creator
  7. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE 
    1. Disconnect the mass air flow meter sub-assembly connector.
      GTY419572Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the wire harness clamp.
    3. Disengage the No. 2 fuel vapor feed hose clamp from the air cleaner hose assembly.
      GTY460691Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disengage the 4 air cleaner cap clamps.
      GTY631584Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A w/ Intake Air Sound Creator
      *B w/o Intake Air Sound Creator
    5. Loosen the hose clamp and remove the air cleaner cap with air cleaner hose from the throttle body with motor assembly.
  8. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY 
    1. Disconnect the throttle body with motor assembly connector.
      GTY460116Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 4 bolts and throttle body with motor assembly from the intake air surge tank assembly.
      NOTE:

      If the throttle body with motor assembly has been struck or dropped, replace it.

    3. Slide the 2 clips and disconnect the No. 1 water by-pass hose and No. 2 water by-pass hose from the throttle body with motor assembly.
      GTY496732Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Water By-pass Hose
      *2 No. 2 Water By-pass Hose
  9. REMOVE THROTTLE BODY GASKET 
    1. Remove the throttle body gasket from the intake air surge tank assembly.