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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Axle And Differential - Service Information (2 Of 2) >> REAR DIFFERENTIAL SIDE GEAR SHAFT OIL SEAL (for Dynamic Torque Vectoring AWD) >> Replacement [11/2023 - ] >> Procedure

Replacement [11/2023 - ]: Procedure

  1. REMOVE REAR DRIVE SHAFT ASSEMBLY 

    Refer to REMOVAL [11/2023 - ]

  2. REMOVE TRANSMISSION COUPLING DUST SEAL 
    1. Using SST, remove the transmission coupling dust seal from the electro magnetic control coupling sub-assembly.
      • SST: 09308-00010 
      GTY938458Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Transmission Coupling Dust Seal
      NOTE:

      Do not damage the electro magnetic control coupling sub-assembly.

  3. REMOVE TORQUE VECTORING DIFFERENTIAL CARRIER ASSEMBLY 

    Refer to REMOVAL [11/2023 - ] 

  4. REMOVE CLUTCH CONTROL SOLENOID WIRE 

    See step  1

  5. REMOVE WIRE HARNESS CLAMP BRACKET 

    See step  2

  6. REMOVE DIFFERENTIAL DISCONNECT COVER 

    See step  3

  7. REMOVE ELECTRO MAGNETIC CONTROL COUPLING SUB-ASSEMBLY (for LH Side) 

    See step  11

  8. REMOVE ELECTRO MAGNETIC CONTROL COUPLING SUB-ASSEMBLY (for RH Side) 

    HINT: 

    Perform the same procedure as for the LH side.

  9. SECURE REAR DIFFERENTIAL CARRIER ASSEMBLY 

    See step  15

  10. REMOVE REAR DIFFERENTIAL CARRIER OIL SEAL (for LH Side) 
    1. Using a knife, cut off the lip of the rear differential carrier oil seal.
      GTY858819Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Rear Differential Carrier Oil Seal
      *a Cut Position
      *b Protective Tape
    2. Using a screwdriver with its tip wrapped with protective tape, pry out the rear differential carrier oil seal.
      NOTE:

      Do not damage the rear differential carrier assembly.

  11. REMOVE REAR DIFFERENTIAL CARRIER OIL SEAL (for RH Side) 
    1. Using a knife, cut off the lip of the rear differential carrier oil seal.
      GTY846285Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Rear Differential Carrier Oil Seal
      *a Cut Position
      *b Protective Tape
    2. Using a screwdriver with its tip wrapped with protective tape, pry out the rear differential carrier oil seal.
      NOTE:

      Do not damage the rear differential carrier assembly.

  12. INSTALL REAR DIFFERENTIAL CARRIER OIL SEAL (for LH Side) 
    1. Coat the lip of a new rear differential carrier oil seal with MP grease.
    2. Using SST and a hammer, install the rear differential carrier oil seal.
      • SST: 09223-46011 
      • SST: 09523-36010 

      Standard Distance (A)

      -0.5 to 0.5 mm (-0.0197 to 0.0197 in.)

      NOTE:
      • Install the rear differential carrier oil seal uniformly.
      • Press fit the rear differential carrier oil seal straight.
      • Do not damage the rear differential carrier oil seal.
      • Do not excessively press in the rear differential carrier oil seal.
      • Make sure to install the rear differential carrier oil seal as specified, otherwise a malfunction such as an oil leak may occur.
      GTY863743Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Rear Differential Carrier Oil Seal
  13. INSTALL REAR DIFFERENTIAL CARRIER OIL SEAL (for RH Side) 
    1. Coat the lip of a new rear differential carrier oil seal with MP grease.
    2. Using SST and a hammer, install the rear differential carrier oil seal.
      • SST: 09223-46011 
      • SST: 09523-36010 

      Standard Distance (A)

      -0.5 to 0.5 mm (-0.0197 to 0.0197 in.)

      NOTE:
      • Install the rear differential carrier oil seal uniformly.
      • Press fit the rear differential carrier oil seal straight.
      • Do not damage the rear differential carrier oil seal.
      • Do not excessively press in the rear differential carrier oil seal.
      • Make sure to install the rear differential carrier oil seal as specified, otherwise a malfunction such as an oil leak may occur.
      GTY853153Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Rear Differential Carrier Oil Seal
  14. INSTALL ELECTRO MAGNETIC CONTROL COUPLING SUB-ASSEMBLY (for LH Side) 

    See step  12

  15. INSTALL ELECTRO MAGNETIC CONTROL COUPLING SUB-ASSEMBLY (for RH Side) 

    HINT: 

    Perform the same procedure as for the LH side.

  16. INSTALL DIFFERENTIAL DISCONNECT COVER 

    See step  20

  17. INSTALL WIRE HARNESS CLAMP BRACKET 

    See step  21

  18. INSTALL CLUTCH CONTROL SOLENOID WIRE 

    See step  22

  19. INSTALL TORQUE VECTORING DIFFERENTIAL CARRIER ASSEMBLY 

    Refer to INSTALLATION [12/2019 - ] 

  20. INSTALL TRANSMISSION COUPLING DUST SEAL 
    1. Coat the lip of a new transmission coupling dust seal with MP grease.
    2. Using SST and a hammer, install the transmission coupling dust seal to the electro magnetic control coupling sub-assembly.
      • SST: 09316-10010 
      • SST: 09950-70010 
        1. 09951-07150

      Standard Distance (A)

      2.0 to 2.8 mm (0.0788 to 0.1102 in.)

      GTY942196Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Transmission Coupling Dust Seal
      NOTE:
      • Install the transmission coupling dust seal uniformly.
      • Press fit the transmission coupling dust seal straight.
      • Do not damage the transmission coupling dust seal.
      • Do not damage the No. 1 rear differential dust deflector.
      • Do not excessively press in the transmission coupling dust seal.
      • Make sure to install the transmission coupling dust seal as specified, otherwise a malfunction such as an oil leak may occur.
  21. INSTALL REAR DRIVE SHAFT ASSEMBLY 

    Refer to INSTALLATION [10/2022 - ]

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