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Home >> Toyota >> 2025 >> Supra Base, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission System - Service Information >> Automatic Transmission Assembly >> Removal [07/2020 - ] >> Procedure

Removal [07/2020 - ]: Procedure

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL (for B58) 

    Refer to REMOVAL [03/2019 - ]

  2. REMOVE AND INSTALL HOOD SUPPORT ASSEMBLY (for B58) 

    Refer to PROCEDURE - Step 6

  3. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY (for B58) 

    Refer to PROCEDURE - Step 12

  4. REMOVE FRONT FENDER UPPER PROTECTOR LH (for B58) 

    Refer to PROCEDURE - Step 5

  5. REMOVE FRONT FENDER UPPER PROTECTOR RH (for B58) 

    HINT: 

    Use the same procedure as for the LH side.

  6. INSTALL ENGINE HANGER (for B58) 

    Refer to PROCEDURE - Step 18

  7. INSTALL ENGINE SUPPORT BRIDGE (for B58) 

    Refer to PROCEDURE - Step 19

  8. REMOVE FRONT SUSPENSION MEMBER LOWER PROTECTOR 

    Refer to REMOVAL [03/2019 - ]

  9. REMOVE STARTER ASSEMBLY (for B58) 

    Refer to REMOVAL [03/2019 - ]

  10. REMOVE FRONT FLOOR COVER LH 

    Refer to PROCEDURE - Step 2 [07/2022 - ]

  11. REMOVE FRONT FLOOR COVER RH 

    HINT: 

    Use the same procedure as for the LH side.

  12. REMOVE EXHAUST PIPE ASSEMBLY (for B58) 

    Refer to REMOVAL [03/2019 - ]

  13. REMOVE FRONT NO. 1 FLOOR HEAT INSULATOR 

    Refer to PROCEDURE - Step 7 [07/2022 - ]

  14. REMOVE FLOOR HEAT INSULATOR 
    1. Loosen nuts (1).
      GTY945993Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the No. 1 floor heat Insulator (2).
    3. Loosen nuts (3).
    4. Remove the No. 2 floor heat Insulator (4).
  15. REMOVE REAR ENGINE MOUNTING MEMBER 
    1. Support the automatic transmission assembly with a transmission jack.
      GTY844770Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Lashing Belt
      WARNING:

      Secure the automatic transmission assembly to the transmission jack using a lashing belt, etc. to prevent it from falling.

      NOTE:
      • Place attachments on the transmission jack saddle.
      • Make sure that the attachments and the transmission oil sump are centered on the transmission jack.
    2. Loosen the bolts (2).
      GTY945945Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Loosen nuts (1).
    4. Remove the rear engine mounting member (3).
  16. PARKING LOCK FORCED RELEASE 

    See step  2

  17. SEPARATE PROPELLER SHAFT ASSEMBLY 
    NOTE:
    • Damage to propeller shaft assembly during removal.

      Non-observance of the removal guidelines for the propeller shaft assembly on the rear differential carrier assembly may cause severe damage.

      • Do not disassemble the three-hole flange, flexible disc and propeller shaft assembly. The three-hole flange to the rear differential carrier assembly is balanced with the flexible disc and propeller shaft assembly.
      • Loosen the recessed nut against the direction of travel in clockwise direction. The propeller shaft assembly must be loosened on the recessed nut only and exclusively in the direction of rotation otherwise the anti-twist lock of the bi-hexagonal flange nut is damaged.
      • In the event of a damaged anti-twist lock on the bi-hexagonal flange nut: Replace the rear differential carrier assembly.
    1. Mark the installation position of the bolt connections (2) of the flexible coupling (1) and the output flange (3).
      GTY945987Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      • The mark makes it possible for the propeller shaft assembly to be installed again in the same position.
      • This should prevent a humming noise from the drive train during driving.
    2. Loosen 18 mm bolts (1).
      GTY945986Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Unscrew the bolts (1) on the center bearing and hold down the propeller shaft assembly.
      GTY945924Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Major deflection angles of the propeller shaft assembly may damage the propeller shaft assembly and/or the joints.

    4. Tie up propeller shaft assembly to underbody.
  18. REMOVE NO. 2 MANIFOLD STAY (for B58) 
    WARNING:
    • Hot surfaces.

      Risk of burning!

      • Perform all work only on components that have cooled down.
    1. Loosen the nuts (1).
      GTY945980Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage tab (1) to the top.
      GTY945979Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Detach starter cable (2) from the clamps (1).
      GTY945985Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Loosen the bolts (1).
      GTY945984Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Thread out and remove the No. 2 manifold stay (2).
  19. DISCONNECT NO. 2 EARTH WIRE 
    1. Unfasten the nut (1).
      GTY945990Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Detach the No. 2 earth wire (2) from the automatic transmission assembly.
  20. DISCONNECT OIL COOLER TUBE 
    WARNING:
    • Materials harmful to health.

      Contact with fluids harmful to health!

      • Note and follow safety information on containers.
      • Conduct all work in appropriate personal protective equipment only.
    1. Release the T25 screw (1) and bolt (2).
      GTY945997Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the oil cooler tubes (3) at the automatic transmission assembly.
  21. REMOVE TRANSMISSION HOUSING UNDER COVER 
    1. For B46, B48:
      1. Loosen the E10 bolt (1).
        GTY994741Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Remove holder (2).
      3. Loosen the expanding rivet (1).
        GTY994742Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      4. Remove the transmission housing under cover (2).
  22. REMOVE DRIVE PLATE AND TORQUE CONVERTER ASSEMBLY SETTING BOLT 
    1. Turn the engine on the crankshaft pulley assembly with the special tool 0 493 380 (11 6 480) in the direction of rotation until a drive plate and torque converter assembly setting bolt (1) becomes visible in the recess.
      • SST: 09200-WA190 
      GTY945857Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Release the drive plate and torque converter assembly setting bolt (1) of the torque converter.

      HINT: 

      Repeat this procedure for all bolts.

      GTY946260Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  23. INSTALL SPECIAL TOOL TO FIX THE TORQUE CONVERTER 
    1. Prepare special tool 0 494 478 (24 4 161) (1) with the special tool 0 496 061 (24 4 166) (2) as shown.
      GTY945922Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • SST: 09300-WA030 
    2. Remove the transmission housing cover (1).
      GTY945982Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Insert special tool 0 494 451 (24 4 160) into the recess of the transmission housing and apply slight tension using the screw (1).
      GTY946263Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • SST: 09300-WA030 
    4. Screw the screw (2) in to the stop.
    5. Tighten down screw (1).
  24. REMOVE WIRE HARNESS 
    1. Unlock connector (1) by turning and pull off.
      NOTE:

      Do not touch pins.

      GTY945992Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Insert special tool 0 494 213 (24 2 390) in sealing sleeve (1).
      GTY945995Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • SST: 09300-WA100 
  25. REMOVE AUTOMATIC TRANSMISSION ASSEMBLY 
    WARNING:
    • Materials harmful to health.

      Contact with fluids harmful to health!

      • Note and follow safety information on containers.
      • Conduct all work in appropriate personal protective equipment only.
    NOTE:
    • Damage to the engine block.

      Damaged and corroded bolts will lead to major damage in the engine block and the automatic transmission assembly.

      • It is imperative that protruding threads of the automatic transmission assembly bolts are checked for corrosion and damage prior to removal.
      • It is imperative that all rust is removed from corroded threads and that they are cleaned prior to removal.
      • Replace rusted and damaged bolts.
    1. For B46, B48:
      GTY994708Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Unscrew the E10 bolts and E14 bolts.
      2. Remove the automatic transmission assembly.
    2. For B58:
      GTY946295Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Unscrew the E10 bolts and E14 bolts.
      2. Remove the automatic transmission assembly.
  26. REMOVE TORQUE CONVERTER 
    WARNING:
    • Materials harmful to health.

      Contact with fluids harmful to health!

      • Note and follow safety information on containers.
      • Conduct all work in appropriate personal protective equipment only.

    HINT: 

    Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

    1. Screw the special tool 0 496 717 (24 1 440) into the torque converter.
      GTY923148Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • SST: 09300-WA040 
    2. Remove torque converter and set down vertically.

      HINT: 

      Drain, catch and dispose of the automatic transmission fluid.

  27. REMOVE REAR ENGINE MOUNTING INSULATOR 

    HINT: 

    Perform this procedure only when replacement of the rear engine mounting insulator is necessary.

    1. Loosen nuts (1).
      GTY922901Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the rear engine mounting insulator (2).
  28. REMOVE REAR ENGINE MOUNTING BRACKET SUB-ASSEMBLY 

    HINT: 

    Perform this procedure only when replacement of the rear engine mounting bracket sub-assembly is necessary.

    1. Loosen the T55 bolts (1).
      GTY916219Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the rear engine mounting bracket sub-assembly (2).
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