2021 Lexus LC 500 2D ConvertibleFACTORY OEM SERVICE PROCEDURE

Removal [07/2020 - ]: Procedure

  1. REMOVE V-BANK COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 2 [07/2020 - 05/2023] , or refer to PROCEDURE - Step 2 [05/2023 - ]

  2. REMOVE RADIATOR SUPPORT TO FRAME SEAL RH 

    Refer to PROCEDURE - Step 1 [07/2020 - 05/2023] , or refer to PROCEDURE - Step 1 [05/2023 - ]

  3. REMOVE RADIATOR SUPPORT TO FRAME SEAL LH 

    Refer to PROCEDURE - Step 2 [07/2020 - 05/2023] , or refer to PROCEDURE - Step 2 [05/2023 - ]

  4. REMOVE LOWER RADIATOR AIR DEFLECTOR 

    Refer to PROCEDURE - Step 3 [07/2020 - 05/2023] , or refer to PROCEDURE - Step 3 [05/2023 - ]

  5. DRAIN ENGINE COOLANT 

    Refer to REPLACEMENT [07/2020 - ]

  6. DISCONNECT NO. 2 PCV HOSE 
    1. Slide the clip and disconnect the No. 2 PCV hose from the air cleaner hose assembly.
      GTY797230Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. DISCONNECT NO. 3 PCV HOSE 
    1. Slide the clip and disconnect the No. 3 PCV hose from the air cleaner hose assembly.
      GTY797229Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE AIR CLEANER HOSE ASSEMBLY 
    1. Loosen the 4 hose clamps and remove the air cleaner hose assembly.
      GTY832094Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY 
    1. Disconnect the throttle body with motor assembly connector.
      GTY797281Courtesy 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.
      GTY782372Courtesy 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.
      GTY797285Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Using an E6 "TORX" socket wrench, remove the 2 stud bolts, throttle body with motor assembly and gasket from the intake air surge tank assembly.
      GTY797269Courtesy 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, 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
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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.