LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2017 >> GS F >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Control System - Service Information >> Throttle Body >> Removal [10/2015 - ] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Removal [10/2015 - ]: Procedure

  1. REMOVE V-BANK COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 2 [10/2015 - 09/2017], or Refer to PROCEDURE - Step 2 [09/2017 - 05/2018], or Refer to PROCEDURE - Step 2 [05/2018 - ]

  2. REMOVE COOL AIR INTAKE DUCT SEAL 

    Refer to PROCEDURE - Step 1 [10/2015 - 09/2017], or Refer to PROCEDURE - Step 1 [09/2017 - ]

  3. REMOVE CENTER NO. 4 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 2

  4. DRAIN ENGINE COOLANT 

    Refer to PROCEDURE - Step 4

  5. DISCONNECT VENTILATION HOSE 
    1. Slide the 2 clips and disconnect the No. 2 ventilation hose and No. 3 ventilation hose from the air cleaner hose assembly.
      GTY501316Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 2 Ventilation Hose
      *2 No. 3 Ventilation Hose
  6. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE 
    1. Disconnect the mass air flow meter sub-assembly connector.
      GTY515718Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the wire harness clamp.
    3. Disconnect the 2 clamp hooks from the air cleaner cap sub-assembly.
      GTY615808Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Loosen the clamp and disconnect the air cleaner hose assembly from the throttle body with motor assembly.
    5. Disengage the 2 guides and remove the air cleaner cap with air cleaner hose from the air cleaner case sub-assembly.
  7. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY 
    1. Disconnect the throttle body with motor assembly connector.
      GTY515716Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Slide the clip and disconnect the No. 4 water by-pass hose from the front water by-pass joint.
      GTY496317Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 4 Water By-pass Hose
      *2 No. 5 Water By-pass Hose
    3. Slide the clip and disconnect the No. 5 water by-pass hose from the water inlet housing.
    4. Remove the 2 bolts and 2 nuts from the throttle body with motor assembly.
      GTY515701Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Using an E6 "TORX" socket wrench, remove the 2 stud bolts, throttle body with motor assembly and throttle body gasket from the intake air surge tank assembly.
      GTY515702Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

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

    6. Slide the 2 clips and remove the No. 4 water by-pass hose and No. 5 water by-pass hose from the throttle body with motor assembly.
      GTY515703Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
scientia non olet · About LEMON Manuals