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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Transmission >> Transfer Case >> Transfer Case System (GF2A) - Service Information >> TRANSFER CASE FRONT OIL SEAL (for LH Side) >> Replacement [10/2022 - 11/2023] >> Procedure

Replacement [10/2022 - 11/2023]: Procedure

  1. REMOVE TRANSFER ASSEMBLY 

    Refer to REMOVAL [10/2022 - 11/2023] 

  2. REMOVE TRANSFER AND TRANSAXLE SETTING STUD BOLT 

    See step  2

  3. SECURE TRANSFER ASSEMBLY 

    See step  3

  4. REMOVE TRANSFER CASE OIL SEAL 
    1. Using SST, remove the transfer case oil seal from the transfer assembly.
      GTY916786Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Transfer Case Oil Seal
      • SST: 09308-00010 
      NOTE:
      • Do not scratch the press-fitting surface of the transfer case oil seal.
      • Wear or damage to the front drive shaft oil seal RH on the transmission side will cause transfer oil leakage.

        If it is worn or damaged, replace the front drive shaft oil seal RH.

        Refer to REPLACEMENT [10/2022 - 11/2023]

  5. INSTALL TRANSFER CASE OIL SEAL 
    1. Coat the lip of a new transfer case oil seal with MP grease.
    2. Using SST and a hammer, tap in the transfer case oil seal to the transfer assembly as shown in the illustration.
      GTY929071Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Transfer Case Oil Seal
      *a Depth
      • SST: 09608-10010 
      • SST: 09950-70010 
        1. 09951-07100

      Standard Depth

      9.5 to 10.5 mm (0.374 to 0.413 in.)

      NOTE:
      • Tap the transfer case oil seal uniformly so that the transfer case oil seal is straight.
      • Do not tap the transfer case oil seal in too far.
  6. REMOVE TRANSFER ASSEMBLY 

    See step  13

  7. INSTALL TRANSFER AND TRANSAXLE SETTING STUD BOLT 

    See step  14

  8. INSTALL TRANSFER ASSEMBLY 

    Refer to INSTALLATION [10/2022 - ]