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Home >> Toyota >> 2019 >> Sienna Limited, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System [UA80F] (Service Information) >> Automatic Transaxle Assembly >> Removal [08/2016 - ] >> Procedure

Removal [08/2016 - ]: Procedure

  1. REMOVE FLYWHEEL HOUSING UNDER COVER 

    Refer to PROCEDURE - Step 60

  2. REMOVE DRIVE PLATE AND TORQUE CONVERTER SETTING BOLT 

    Refer to PROCEDURE - Step 61

  3. REMOVE STARTER ASSEMBLY 

    Refer to PROCEDURE - Step 8

  4. REMOVE ENGINE ASSEMBLY WITH TRANSAXLE 

    Refer to REMOVAL [08/2016 - ]

  5. DISCONNECT ENGINE WIRE 
    1. Disconnect the park/neutral position switch connector.
      GTY707004Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the transmission wire connector.
    3. Remove the 2 bolts and nut to disconnect the engine wire from the automatic transaxle case sub-assembly.
    4. Disengage the clamp to disconnect the engine wire from the automatic transaxle case sub-assembly.
  6. SEPARATE BREATHER PLUG HOSE 
    1. Disengage the 2 clamps to separate the breather plug hose from the hose clamp.
      GTY694214Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE TRANSVERSE ENGINE MOUNTING BRACKET 
    1. Remove the 4 bolts and transverse engine mounting bracket from the transaxle housing.
      GTY694229Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE TRANSFER STIFFENER PLATE RH 

    Refer to PROCEDURE - Step 6

  9. REMOVE AUTOMATIC TRANSAXLE ASSEMBLY 
    1. Support the automatic transaxle assembly with a transmission jack.
      GTY694227Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Secure the automatic transaxle assembly to the transmission jack using a suitable adapter, such as a rope or attachment.

    2. Remove the 11 bolts and automatic transaxle assembly from the engine assembly.
      NOTE:

      To prevent damage to the knock pins, do not pry between the automatic transaxle assembly and engine assembly.

  10. REMOVE TRANSFER ASSEMBLY 

    Refer to PROCEDURE - Step 9

  11. DISCONNECT NO. 2 OUTLET OIL COOLER HOSE 

    See step  18

  12. DISCONNECT NO. 1 TRANSMISSION OIL COOLER HOSE 

    See step  19

  13. DISCONNECT NO. 2 INLET OIL COOLER HOSE 

    See step  14

  14. DISCONNECT NO. 1 OUTLET OIL COOLER HOSE 

    See step  15

  15. REMOVE OIL COOLER TUBE ASSEMBLY 
    1. Slide the clip and disconnect the No. 1 inlet oil cooler hose.
      GTY694249Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 bolts and oil cooler tube assembly from the automatic transaxle case sub-assembly and No. 3 engine mounting bracket.
  16. REMOVE NO. 3 ENGINE MOUNTING BRACKET 
    1. GTY732601Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the 3 bolts and No. 3 engine mounting bracket from the automatic transaxle case sub-assembly.

  17. REMOVE NO. 1 TRANSMISSION CONTROL CABLE BRACKET 
    1. GTY694230Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the 2 bolts and No. 1 transmission control cable bracket from the automatic transaxle case sub-assembly.

  18. REMOVE WIRE HARNESS CLAMP BRACKET 
    1. GTY706348Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the bolt and wire harness clamp bracket from the automatic transaxle case sub-assembly.

  19. REMOVE BREATHER PLUG HOSE 
    GTY707003Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Using a screwdriver, remove the breather plug hose from the automatic transaxle case sub-assembly.
      NOTE:

      Be careful not to damage the breather plug.

    2. Remove the No. 1 breather plug (ATM) from the breather plug hose.
      GTY696664Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Breather Plug (ATM)
      *2 Breather Plug Hose
      NOTE:

      Be careful not to damage the No. 1 breather plug (ATM).

  20. REMOVE TORQUE CONVERTER ASSEMBLY 
    1. Remove the torque converter assembly from the automatic transaxle assembly.
  21. INSPECT TORQUE CONVERTER ASSEMBLY 

    See step  1

  22. INSPECT DRIVE PLATE AND RING GEAR SUB-ASSEMBLY 

    See step  2

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