Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000026RSY
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [09/2022 -           ]
Title: AXLE AND DIFFERENTIAL: FRONT AXLE HUB BOLT: REPLACEMENT; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]

REPLACEMENT

CAUTION / NOTICE / HINT

for 4-Pot Caliper:

  • 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 front 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 100 N*m (1020 kgf*cm, 74 ft.*lbf).
    7. Fully tighten bolt B to 100 N*m (1020 kgf*cm, 74 ft.*lbf).
    8. Release the brake pedal to release the hydraulic pressure.
    9. Check that the 2 bolts are tightened to 100 N*m (1020 kgf*cm, 74 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 FRONT WHEEL

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

2. SEPARATE FRONT DISC BRAKE CALIPER ASSEMBLY

(a) Remove the 2 bolts and separate the front disc brake caliper assembly from the steering knuckle.

NOTICE:

Use wire or an equivalent tool to keep the front disc brake caliper assembly from hanging by the front flexible hose.

3. REMOVE FRONT DISC

for 4-Pot Caliper: Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; BRAKE (FRONT): FRONT BRAKE (for 4-Pot Caliper): REMOVAL+

except 4-Pot Caliper: Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; BRAKE (FRONT): FRONT BRAKE (except 4-Pot Caliper): REMOVAL+

4. REMOVE FRONT AXLE HUB BOLT

(a) Temporarily install 2 service nuts to the front axle hub bolts as shown in the illustration.

Recommended Service Nut:

Thread diameter: 12.0 mm (0.472 in.)

Thread pitch: 1.5 mm (0.0591 in.)

NOTICE:

Install the service nuts to prevent damage to the front axle hub bolts.

*a

Service Nut

(b) Using SST and a screwdriver or an equivalent tool to hold the front axle hub sub-assembly, remove the front axle hub bolt.

SST: 09611-12010

NOTICE:

Do not damage the threads of the front axle hub bolts.

5. INSTALL FRONT AXLE HUB BOLT

(a) Temporarily install a new front axle hub bolt to the front axle hub sub-assembly.

(b) Install a washer and service nut to the front axle hub bolt as shown in the illustration.

Recommended Service Nut:

Thread diameter: 12.0 mm (0.472 in.)

Thread pitch: 1.5 mm (0.0591 in.)

HINT:

Recommended washer thickness is 5 mm (0.197 in.) or more.

*a

Service Nut

*b

Washer

(c) Using a screwdriver or an equivalent tool to hold the front axle hub sub-assembly, install the front axle hub bolt by tightening the service nut.

NOTICE:

  • Install the service nuts to prevent damage to the front axle hub bolts.
  • Do not damage the threads of the front axle hub bolts.

(d) Remove the 3 service nuts and washer from the 3 front axle hub bolts.

6. INSTALL FRONT DISC

for 4-Pot Caliper: Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; BRAKE (FRONT): FRONT BRAKE (for 4-Pot Caliper): INSTALLATION+

except 4-Pot Caliper: Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; BRAKE (FRONT): FRONT BRAKE (except 4-Pot Caliper): INSTALLATION+

7. INSTALL FRONT DISC BRAKE CALIPER ASSEMBLY

(a) Install the front disc brake caliper assembly to the steering knuckle with the 2 bolts.

Torque:

107 N·m {1091 kgf·cm, 79 ft·lbf}

NOTICE:

  • Do not twist the front flexible hose when installing the front disc brake caliper assembly.
  • Make sure that there is no foreign matter on the threads of the bolt.

8. INSTALL FRONT WHEEL

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