2021 Lexus LS 500 Base, AWDFACTORY OEM SERVICE PROCEDURE

Removal [12/2017 - ]: Procedure

  1. REMOVE V-BANK COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 11 [12/2017 - 09/2018] , or refer to PROCEDURE - Step 11 [09/2018 - 10/2020] , or refer to PROCEDURE - Step 11 [10/2020 - 10/2022] , or refer to PROCEDURE - Step 11 [10/2022 - 10/2023] , or refer to PROCEDURE - Step 11 [10/2023 - ]

  2. REMOVE RADIATOR COVER PLATE 

    Refer to PROCEDURE - Step 9 [12/2017 - 09/2018] , or refer to PROCEDURE - Step 9 [09/2018 - 10/2020] , or refer to PROCEDURE - Step 9 [10/2020 - 10/2022] , or refer to PROCEDURE - Step 9 [10/2022 - 10/2023] , or refer to PROCEDURE - Step 9 [10/2023 - ]

  3. REMOVE UPPER RADIATOR SUPPORT SEAL 

    Refer to PROCEDURE - Step 8 [12/2017 - 09/2018] , or refer to PROCEDURE - Step 8 [09/2018 - 10/2020] , or refer to PROCEDURE - Step 8 [10/2020 - 10/2022] , or refer to PROCEDURE - Step 8 [10/2022 - 10/2023] , or refer to PROCEDURE - Step 8 [10/2023 - ]

  4. REMOVE LOWER RADIATOR AIR DEFLECTOR 

    Refer to PROCEDURE - Step 10 [12/2017 - 09/2018] , or refer to PROCEDURE - Step 10 [09/2018 - 10/2020] , or refer to PROCEDURE - Step 10 [10/2020 - 10/2022] , or refer to PROCEDURE - Step 10 [10/2022 - 10/2023] , or refer to PROCEDURE - Step 10 [10/2023 - ]

  5. REMOVE VVT SENSOR (for Intake Side of Bank 1) 
    1. Disconnect the VVT sensor connector.
      GTY786878Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the bolt and VVT sensor.
      NOTE:

      If the VVT sensor has been struck or dropped, replace it.

    3. When reusing the VVT sensor:
      GTY1132298Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the O-ring from the VVT sensor.
        NOTE:
        • Make sure to only remove the O-ring with bare hands.
        • When removing the O-ring, be careful not to damage the O-ring groove of the VVT sensor.
        • If the O-ring groove is damaged, replace the VVT sensor.
  6. REMOVE VVT SENSOR (for Exhaust Side of Bank 1) 
    1. Disconnect the VVT sensor connector.
      GTY786877Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the bolt and VVT sensor.
      NOTE:

      If the VVT sensor has been struck or dropped, replace it.

    3. When reusing the VVT sensor:
      GTY1132298Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the O-ring from the VVT sensor.
        NOTE:
        • Make sure to only remove the O-ring with bare hands.
        • When removing the O-ring, be careful not to damage the O-ring groove of the VVT sensor.
        • If the O-ring groove is damaged, replace the VVT sensor.
  7. REMOVE VVT SENSOR (for Intake Side of Bank 2) 
    1. Disconnect the VVT sensor connector.
      GTY786875Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the bolt and VVT sensor.
      NOTE:

      If the VVT sensor has been struck or dropped, replace it.

    3. When reusing the VVT sensor:
      GTY1132298Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the O-ring from the VVT sensor.
        NOTE:
        • Make sure to only remove the O-ring with bare hands.
        • When removing the O-ring, be careful not to damage the O-ring groove of the VVT sensor.
        • If the O-ring groove is damaged, replace the VVT sensor.
  8. REMOVE VVT SENSOR (for Exhaust Side of Bank 2) 
    1. Disconnect the VVT sensor connector.
      GTY786876Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the bolt and VVT sensor.
      NOTE:

      If the VVT sensor has been struck or dropped, replace it.

    3. When reusing the VVT sensor:
      GTY1132298Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the O-ring from the VVT sensor.
        NOTE:
        • Make sure to only remove the O-ring with bare hands.
        • When removing the O-ring, be careful not to damage the O-ring groove of the VVT sensor.
        • If the O-ring groove is damaged, replace the VVT sensor.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.