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Home >> Lexus >> 2023 >> LC 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 137 (Automatic Transmission System - Service Information (Coupe) (2 Of 2)) >> Automatic Transmission Assembly >> Removal [04/2020 - 05/2023] >> Procedure

Removal [04/2020 - 05/2023]: Procedure

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  1. PRECAUTION 
    NOTE:

    After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

    Refer to PRECAUTION [03/2017 - 05/2023]

  2. REMOVE EXHAUST MANIFOLD 

    Refer to REMOVAL [03/2017 - 05/2023]

  3. REMOVE NO. 1 EXHAUST PIPE SUPPORT BRACKET SUB-ASSEMBLY 
    GTY825775Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the 2 bolts and No. 1 exhaust pipe support bracket sub-assembly from the automatic transmission assembly.
  4. DISCONNECT WIRE HARNESS 
    1. Disconnect the transmission wire connector.
      GTY958161Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Transmission Wire Connector - -
      Wire Harness Connector Bolt
      Pull Down the Lever - -

      HINT: 

      Disconnect the claw, pull down the lever, and then disconnect the transmission wire connector.

    2. Disconnect the wire harness connector.
    3. Remove the 4 bolts and disconnect the wire harness from the automatic transmission assembly.
  5. REMOVE NO. 3 EXHAUST MANIFOLD HEAT INSULATOR 

    Refer to PROCEDURE - Step 5

  6. REMOVE STARTER ASSEMBLY 

    Refer to PROCEDURE - Step 6

  7. REMOVE FLYWHEEL HOUSING SIDE COVER 

    Refer to PROCEDURE - Step 7

  8. DISCONNECT OIL COOLER TUBE WITH OIL COOLER HOSE 
    1. Slide the 2 hose clips and disconnect the 2 oil cooler hoses from the automatic transmission assembly.
      GTY825779Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 3 bolts and disconnect the oil cooler tubes from the engine assembly and automatic transmission assembly.

      HINT: 

      When removing the automatic transmission assembly, hold the oil cooler tube in a position so that the oil cooler tube and automatic transmission assembly do not interfere with one another.

  9. REMOVE ENGINE REAR MOUNTING MEMBER 
    1. GTY958126Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Nut and Spring Washer

      Remove the nut, spring washer and 2 bolts and disconnect the throttle link connecting rod assembly from the shift control actuator assembly.

    2. Remove the 3 nuts and engine rear mounting member.
      GTY825777Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE REAR ENGINE MOUNTING INSULATOR 
    1. Remove the 4 bolts and rear engine mounting insulator.
      GTY825776Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE DRIVE PLATE AND TORQUE CONVERTER CLUTCH SETTING BOLT 
    1. Turn the crankshaft to gain access to each bolt and remove the 6 drive plate and torque converter clutch setting bolts while holding the crankshaft pulley bolt with a wrench.
      GTY825778Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE AUTOMATIC TRANSMISSION ASSEMBLY 
    1. Using a rope or equivalent, support the automatic transmission assembly at the positions shown in the illustration.
      WARNING:

      Secure the engine assembly to the engine lifter using a belt, etc. to prevent it from falling.

      GTY820247Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 10 bolts and automatic transmission assembly.
      GTY825757Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      WARNING:
      • Do not raise the automatic transmission assembly more than necessary.
      • Make sure to confirm the center of the gravity of the automatic transmission assembly when supporting it.
      NOTE:
      • Do not use excessive force to pry out the automatic transmission assembly when separating it from the engine assembly to prevent the knock pins from being damaged.
      • When removing the automatic transmission assembly, make sure that the oil cooler tube does not become damaged.
      • Do not allow the wooden blocks or equivalent to contact the transmission oil pan assembly when supporting the automatic transmission assembly, as the transmission oil pan assembly may be deformed as a result.
  13. REMOVE TORQUE CONVERTER CLUTCH ASSEMBLY 
    1. Put matchmarks on the automatic transmission assembly and torque converter clutch assembly.
      GTY783076Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Matchmark
    2. Remove the torque converter clutch assembly from the automatic transmission assembly.
  14. INSPECT TORQUE CONVERTER CLUTCH ASSEMBLY 

    See step  1