Last Modified: 12-11-2024 6.11:8.1.0 Doc ID: RM100000002OT87
Model Year Start: 2025 Model: GR Corolla Prod Date Range: [09/2024 -           ]
Title: UC80F (AUTOMATIC TRANSMISSION / TRANSAXLE): DIFFERENTIAL OIL SEAL (for LH Side): REPLACEMENT; 2025 MY Corolla Corolla Hatchback GR Corolla [09/2024 -        ]

REPLACEMENT

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during front drive shaft oil seal LH removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

Automatic transaxle fluid

ATF thermal degradation estimate reset

The value of the Data List item "ATF Thermal Degradation Estimate" is not estimated correctly

2025 MY Corolla Corolla Hatchback GR Corolla [09/2024 -        ]; UC80F (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: INITIALIZATION

Front wheel alignment adjustment
  • Perform "Reset Memory"
  • Perform "Calibration"
  • VSC is disabled or malfunctions
  • DTCs are output
  • Slip indicator light illuminates
  • ABS warning light illuminates

2025 MY Corolla Corolla Hatchback GR Corolla [09/2024 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model without Electric Parking Brake System TMC Made): UTILITY

Tire

ECU Data Initialization (When performing tire replacement after RoB code X2104 is output)

Active Torque Split AWD System

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; GF1A (TRANSFER / 4WD / AWD): ACTIVE TORQUE SPLIT AWD SYSTEM: CALIBRATION

PROCEDURE

1. REMOVE FRONT DRIVE SHAFT ASSEMBLY LH

Click here 2025 MY GR Corolla [09/2024 -        ]; DRIVE SHAFT / PROPELLER SHAFT: FRONT DRIVE SHAFT ASSEMBLY (for G16E-GTS): REMOVAL

2. REMOVE FRONT DRIVE SHAFT OIL SEAL LH

(a) Using SST, remove the front drive shaft oil seal LH from the automatic transaxle case sub-assembly.

SST: 09308-00010

NOTICE:

Do not damage the automatic transaxle case sub-assembly.

3. INSTALL FRONT DRIVE SHAFT OIL SEAL LH

(a) Using SST and a hammer, install a new front drive shaft oil seal LH to the automatic transaxle case sub-assembly.

*a

Depth

SST: 09316-10010

SST: 09950-70010

09951-07100

Standard Depth:

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

NOTICE:

  • Be sure to install the front drive shaft oil seal LH in the correct direction.
  • Make sure to install the front drive shaft oil seal LH as specified, otherwise malfunctions such as a fluid leak will occur.
  • Do not damage the lip of the front drive shaft oil seal LH.
  • Make sure that the outer lip of the front drive shaft oil seal LH is not pinched by SST.

    *a

    Correct

    *b

    Incorrect

    *c

    Outer Lip
  • Do not allow foreign matter to attach to the inner lip and outer lip of the front drive shaft oil seal LH.
  • Do not install the front drive shaft oil seal LH at an angle.
  • Do not remove the grease from the inner lip and outer lip of the front drive shaft oil seal LH.

4. INSTALL FRONT DRIVE SHAFT ASSEMBLY LH

Click here 2025 MY GR Corolla [09/2024 -        ]; DRIVE SHAFT / PROPELLER SHAFT: FRONT DRIVE SHAFT ASSEMBLY (for G16E-GTS): INSTALLATION