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Home >> Lexus >> 2019 >> IS 350 Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (Engine Control System (2GR-FSE) - Service Information) >> Throttle Body >> Removal [04/2013 - 08/2015] >> Procedure

Removal [04/2013 - 08/2015]: Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2017 Lexus IS 350, 2017 Lexus IS 300, 2016 Lexus IS 350, 2016 Lexus IS 300, and 2015 Lexus IS 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. REMOVE V-BANK COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 3

  2. REMOVE CENTER NO. 4 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 2

  3. DRAIN ENGINE COOLANT 

    Refer to PROCEDURE - Step 4

  4. REMOVE 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.
  5. DISCONNECT NO. 2 VENTILATION HOSE 
    1. Slide the clip and disconnect the No. 2 ventilation hose from the cylinder head cover sub-assembly.
      GTY412640Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. 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. Disconnect the wire harness clamp from the air cleaner cap with air cleaner hose.
    3. Disconnect the No. 2 fuel vapor feed hose clamp from the air cleaner cap with air cleaner hose.
      GTY460691Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Release the 4 clamps.
      GTY412634Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Loosen the hose clamp and remove the air cleaner cap with air cleaner hose from the throttle body with motor assembly.
  7. 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.
    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.
      GTY466239Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Water By-pass Hose
      *2 No. 2 Water By-pass Hose
  8. REMOVE THROTTLE BODY GASKET 
    1. Remove the throttle body gasket from the intake air surge tank assembly.
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