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Home >> Lexus >> 2018 >> GX 460 Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission (Service Information) >> Automatic Transmission Assembly >> Removal [08/2015 - ] >> Procedure

Removal [08/2015 - ]: Procedure

  1. PRECAUTION 
    NOTE:

    After turning the engine switch off, waiting time may be required before disconnecting the cable from the battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal notice before proceeding with work (Refer to PRECAUTION [08/2015 - ] ).

  2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    NOTE:

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected (Refer to INITIALIZATION [08/2015 - 08/2019] , or refer to INITIALIZATION [08/2019 - 08/2021] , or refer to INITIALIZATION [08/2021 - 08/2022] , or refer to INITIALIZATION [08/2022 - ] ).

  3. REMOVE NO. 1 ENGINE UNDER COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 8 [08/2015 - 08/2020] , or refer to PROCEDURE - Step 8 [08/2020 - ]

  4. REMOVE REAR ENGINE UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 10 [08/2015 - 08/2020] , or refer to PROCEDURE - Step 10 [08/2020 - ]

  5. DRAIN AUTOMATIC TRANSMISSION FLUID 

    See step  1

  6. DRAIN ENGINE COOLANT 

    Refer to PROCEDURE - Step 5

  7. REMOVE FRONT PROPELLER SHAFT ASSEMBLY 

    (Refer to REMOVAL [08/2015 - ] )

  8. REMOVE PROPELLER SHAFT ASSEMBLY 

    (Refer to REMOVAL [08/2015 - ] )

  9. REMOVE FRONT EXHAUST PIPE ASSEMBLY 

    (Refer to REMOVAL [08/2015 - ] )

  10. REMOVE STARTER ASSEMBLY 

    (Refer to REMOVAL [08/2015 - ] )

  11. DISCONNECT TRANSMISSION CONTROL CABLE ASSEMBLY 
    GTY681641Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the nut and clip and disconnect the transmission control cable from the transmission.
  12. REMOVE DRIVE PLATE AND TORQUE CONVERTER CLUTCH SETTING BOLT 
    GTY456386Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the flywheel housing side cover.
    2. Turn the crankshaft to gain access to the 6 bolts and remove each bolt while holding the crankshaft pulley bolt with a wrench.
      GTY462698Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. SUPPORT AUTOMATIC TRANSMISSION ASSEMBLY 
    GTY203370Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Support the transmission with a transmission jack. Lift the transmission slightly from the crossmember.
  14. REMOVE FRONT SUSPENSION MEMBER BRACKET LH AND RH 
    1. Remove the 8 bolts and front suspension member bracket LH and RH.
      GTY219441Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE NO. 3 FRAME CROSSMEMBER SUB-ASSEMBLY 
    GTY258283Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the 4 bolts of the rear engine mounting insulator.
    2. Remove the 4 nuts, 4 bolts and frame crossmember.
      GTY219305Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. REMOVE REAR NO. 1 ENGINE MOUNTING INSULATOR 
    1. Remove the bolt and rear engine mounting heat insulator.
      GTY258277Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 4 bolts and rear engine mounting insulator from the transmission.
  17. DISCONNECT WIRE HARNESS AND CONNECTOR 
    GTY258314Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the nut and disconnect the ground cable.
    2. Tilt the transmission downward.
      GTY203029Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Make sure the cooling fan does not contact the fan shroud.

    3. Remove the 2 nuts and No. 2 wire harness heat insulator.
      GTY673116Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 No. 2 Wire Harness Heat Insulator - -
    4. Remove the nut and disconnect the crankshaft position sensor connector and sensor harness.
    5. Disconnect the park/neutral position switch connector, transmission wire connector, 2 speed sensor connectors and transfer control connector.

      HINT: 

      Detach the claw, press down the lever, and then disconnect the transmission wire connector.

    6. Detach the 2 connector clamps and 8 harness clamps and disconnect the wire harness.
  18. DISCONNECT NO. 1 WATER BY-PASS PIPE 
    1. Disconnect the 2 water by-pass hoses from the transmission oil cooler.
      GTY277891Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Use a container to catch any coolant which flows out of the water by-pass hoses.

    2. Remove the 2 bolts and disconnect the water by-pass pipe.
  19. REMOVE TRANSMISSION OIL COOLER ASSEMBLY 
    1. Disconnect the No. 2 oil cooler inlet hose and No. 2 oil cooler outlet hose from the transmission oil thermostat.
      GTY258312Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the No. 1 oil cooler inlet hose and No. 1 oil cooler outlet hose from each oil cooler tube union.
      GTY277814Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the 3 bolts and transmission oil cooler with transmission oil thermostat.
  20. REMOVE AUTOMATIC TRANSMISSION ASSEMBLY 
    GTY169914Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the 10 bolts and transmission.
      NOTE:

      Do not use excess force when prying the transmission assembly.

  21. REMOVE HARNESS CLAMP BRACKET 
    1. Remove the 7 bolts and 7 brackets.
      GTY282489Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  22. REMOVE NO. 1 TRANSMISSION CONTROL CABLE BRACKET 
    GTY275977Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the 2 bolts and bracket.
  23. REMOVE TRANSFER ASSEMBLY 

    (Refer to REMOVAL [08/2015 - ] )

  24. REMOVE TORQUE CONVERTER ASSEMBLY 
    1. Remove the torque converter assembly from the automatic transmission assembly.
      NOTE:

      Remove the torque converter assembly from the input shaft horizontally.

  25. INSPECT TORQUE CONVERTER ASSEMBLY 

    (Refer to INSPECTION [08/2015 - ] )