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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission System (UA80F) - Service Information (1 Of 2) >> DIFFERENTIAL OIL SEAL (for RH Side) >> Replacement [12/2019 - 10/2022] >> Procedure

Replacement [12/2019 - 10/2022]: Procedure

  1. PRECAUTION 
    NOTE:

    If automatic transaxle assembly parts are replaced, refer to Parts Replacement Compensation Table to determine if any additional operations are necessary.

    Refer to PRECAUTION [12/2019 - 10/2022]

  2. REMOVE TRANSFER ASSEMBLY 

    Refer to REMOVAL [12/2019 - 10/2022]

  3. REMOVE TRANSAXLE CASE OIL SEAL 
    1. Using a screwdriver with its tip wrapped with protective tape, remove the transaxle case oil seal from the transaxle housing.
      GTY899524Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Protective Tape
      NOTE:

      Do not damage the front differential case or transaxle housing.

  4. REMOVE FRONT DRIVE SHAFT OIL SEAL RH 
    1. Using SST, remove the front drive shaft oil seal RH from the front differential case.
      GTY941205Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • SST: 09308-00010 
      NOTE:

      Do not damage the front differential case.

  5. INSTALL FRONT DRIVE SHAFT OIL SEAL RH 
    1. Coat the lip of a new front drive shaft oil seal RH with MP grease.
    2. Using SST and a hammer, install the front drive shaft oil seal RH to the front differential case.
      GTY908402Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Depth
      • SST: 09950-60011 
        1. 09951-00410
      • SST: 09950-70010 
        1. 09951-07200

      Standard Depth

      21.5 to 22.5 mm (0.846 to 0.886 in.)

      NOTE:
      • Make sure to install the front drive shaft oil seal RH as specified, otherwise malfunctions such as a fluid leak will occur.
      • Do not damage the lip of the front drive shaft oil seal RH.
  6. INSTALL TRANSAXLE CASE OIL SEAL 
    1. Coat the lip of a new transaxle case oil seal with MP grease.
    2. Using SST and a hammer, install the transaxle case oil seal to the transaxle housing.
      GTY914324Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Depth
      • SST: 09649-17010 
      • SST: 09950-70010 
        1. 09951-07200

      Standard Depth

      5.5 to 6.5 mm (0.217 to 0.256 in.)

      NOTE:
      • Be sure to install the transaxle case oil seal in the correct direction.
      • Make sure to install the transaxle case oil seal as specified, otherwise malfunctions such as a fluid leak will occur.
      • Do not damage the lip of the transaxle case oil seal.
  7. INSTALL TRANSFER ASSEMBLY 

    Refer to INSTALLATION [12/2019 - 10/2022]

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