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Home >> Lexus >> 2019 >> ES 350 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 20 (Engine Control System (A25A-FKS) - Service Information) >> Throttle Body >> Removal [08/2020 - ] >> Procedure

Removal [08/2020 - ]: Procedure

WARNING: This page is about a different car, the 2024 Lexus ES 250, 2023 Lexus ES 250, 2022 Lexus ES 250, and 2021 Lexus ES 250. However, it is still accessible from the selected car via links, so may be relevant.
  1. DRAIN ENGINE COOLANT 

    Refer to PROCEDURE - Step 1

  2. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 20 [08/2020 - 08/2021] , or refer to PROCEDURE - Step 20 [08/2021 - 09/2022] , or refer to PROCEDURE - Step 20 [09/2022 - ]

  3. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE 
    1. Disconnect the mass air flow meter sub-assembly connector.
      GTY947067Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the 2 wire harness clamps.
    3. Disconnect the vacuum hose from the air cleaner hose.
      GTY761871Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Vacuum Hose
      *2 No. 2 Ventilation Hose
      *a Air Cleaner Cap Clamp
      *b Guide
      *c Unlocked
      *d Locked
    4. Slide the clip and disconnect the No. 2 ventilation hose from the cylinder head cover sub-assembly.
    5. Disengage the 2 air cleaner cap clamps.
    6. Disengage the 2 guides to separate the air cleaner cap sub-assembly from the air cleaner case sub-assembly.
    7. Lock the hose clip and remove the air cleaner cap with air cleaner hose from the throttle body with motor assembly.
  4. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY 
    1. Disconnect the throttle body with motor assembly connector.
      GTY771563Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Slide the clip and disconnect the No. 6 water by-pass hose from the throttle body with motor assembly.
    3. Using an 8 mm socket wrench, remove the 3 bolts and separate the throttle body with motor assembly from the intake manifold.
    4. Slide the clip and disconnect the No. 5 water by-pass hose to remove the throttle body with motor assembly.
      NOTE:

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

      GTY754302Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE THROTTLE BODY GASKET 
    1. Remove the throttle body gasket from the intake manifold.
      GTY754308Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002