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Home >> Lexus >> 2015 >> GS 350 Base, AWD >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Control System - Service Information >> Throttle Body >> Removal [09/2014 - 10/2015] >> Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Removal [09/2014 - 10/2015]: Procedure

  1. REMOVE ENGINE ROOM SIDE COVER 

    Refer to PROCEDURE - Step 1

  2. REMOVE COOL AIR INTAKE DUCT SEAL 

    Refer to PROCEDURE - Step 2

  3. REMOVE V-BANK COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 3

  4. REMOVE ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 10

  5. DRAIN ENGINE COOLANT 

    Refer to PROCEDURE - Step 4

  6. REMOVE INTAKE AIR SOUND CREATOR 

    HINT: 

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

    1. GTY419192Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Disconnect the hose clamp.

    2. Remove the bolt and intake air sound creator.
  7. DISCONNECT NO. 2 VENTILATION HOSE 
    1. Disconnect the ventilation hose from the cylinder head.
      GTY412640Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE 
    1. Disconnect the mass air flow meter connector.
      GTY419572Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the clamp from the air cleaner.
    3. Disconnect the VSV hose.
      GTY414441Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disconnect the 4 clamps.
      GTY412634Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Remove the hose clamp and air cleaner cap with air cleaner hose.
  9. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY 
    1. Disconnect the throttle motor connector.
      GTY522248Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 4 bolts and disconnect the throttle body with motor assembly from the intake air surge tank.
    3. Disconnect the 2 water by-pass hoses from the throttle body with motor assembly.
      GTY403732Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the throttle body with motor assembly and gasket.
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