Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000002693A
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [09/2022 -           ]
Title: AXLE AND DIFFERENTIAL: REAR AXLE HUB (for AWD without Electric Parking Brake): ON-VEHICLE INSPECTION; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]

ON-VEHICLE INSPECTION

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during rear axle hub and bearing assembly on-vehicle inspection are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

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

NOTICE:

  • To avoid degrading the precision of the assembly, do not loosen or remove the 2 bolts shown in the illustration.
  • If the bolts have been loosened or removed, use the following procedure to reassemble the parts.
    1. Temporarily install the rear disc brake cylinder assembly with the 2 bolts.
    2. Start the engine.
    3. Depress the brake pedal to continuously apply hydraulic pressure.
    4. Temporarily tighten bolt A to 30 N*m (306 kgf*cm, 22 ft.*lbf).
    5. Temporarily tighten bolt B to 30 N*m (306 kgf*cm, 22 ft.*lbf).
    6. Fully tighten bolt A to 70 N*m (714 kgf*cm, 52 ft.*lbf).
    7. Fully tighten bolt B to 70 N*m (714 kgf*cm, 52 ft.*lbf).
    8. Release the brake pedal to release the hydraulic pressure.
    9. Check that the 2 bolts are tightened to 70 N*m (714 kgf*cm, 52 ft.*lbf).

HINT:

  • Use the same procedure for the RH side and LH side.
  • The following procedure is for the LH side.

PROCEDURE

1. REMOVE REAR WHEEL

Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; MAINTENANCE: TIRE AND WHEEL: REMOVAL

2. SEPARATE REAR DISC BRAKE CALIPER ASSEMBLY

Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; AXLE AND DIFFERENTIAL: REAR AXLE HUB BOLT (for AWD without Electric Parking Brake): REPLACEMENT+

3. REMOVE DISK WHEEL SPACER

Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; BRAKE (REAR): REAR BRAKE (for 2-Pot Caliper): REMOVAL+

4. REMOVE PARKING BRAKE SHOE ADJUSTING HOLE PLUG

Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; BRAKE (REAR): REAR BRAKE (for 2-Pot Caliper): REMOVAL+

5. REMOVE REAR DISC

Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; BRAKE (REAR): REAR BRAKE (for 2-Pot Caliper): REMOVAL+

6. INSPECT REAR AXLE HUB BEARING LOOSENESS

(a) Using a dial indicator with magnetic base, check for looseness near the center of the rear axle hub.

Maximum Looseness:

0.05 mm (0.00196 in.)

NOTICE:

  • Ensure that the dial indicator is set perpendicular to the measurement surface.
  • Keep the magnet of the dial indicator away from the rear axle hub and bearing assembly.

HINT:

If the looseness exceeds the maximum, replace the rear axle hub and bearing assembly.

7. INSPECT REAR AXLE HUB RUNOUT

(a) Using a dial indicator with magnetic base, check for runout on the surface of the rear axle hub outside the rear axle hub bolts.

Maximum Runout:

0.05 mm (0.00196 in.)

NOTICE:

  • Ensure that the dial indicator is set perpendicular to the measurement surface.
  • Make sure to install the tip of the dial indicator towards the outside of the rear axle hub bolts.
  • Keep the magnet of the dial indicator away from the rear axle hub and bearing assembly.

HINT:

If the runout exceeds the maximum, replace the rear axle hub and bearing assembly.

8. INSTALL REAR DISC

Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; BRAKE (REAR): REAR BRAKE (for 2-Pot Caliper): INSTALLATION+

9. INSTALL REAR DISC BRAKE CALIPER ASSEMBLY

Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; AXLE AND DIFFERENTIAL: REAR AXLE HUB BOLT (for AWD without Electric Parking Brake): REPLACEMENT+

10. ADJUST PARKING BRAKE

Click here 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; PARKING BRAKE: PARKING BRAKE SYSTEM (w/o Electric Parking Brake): ADJUSTMENT 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; PARKING BRAKE: PARKING BRAKE SYSTEM (w/o Electric Parking Brake): ADJUSTMENT

11. INSTALL PARKING BRAKE SHOE ADJUSTING HOLE PLUG

Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; BRAKE (REAR): REAR BRAKE (for 2-Pot Caliper): INSTALLATION+

12. INSTALL DISK WHEEL SPACER

Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; BRAKE (REAR): REAR BRAKE (for 2-Pot Caliper): INSTALLATION+

13. INSTALL REAR WHEEL

Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; MAINTENANCE: TIRE AND WHEEL: INSTALLATION