AXLE AND DIFFERENTIAL: REAR AXLE HUB BOLT (for Double Wishbone Type Suspension 2WD with Electric Parking Brake): REPLACEMENT; 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV [01/2019

Last Modified: 07-31-2024	6.11:8.1.0	Doc ID: RM100000001GHRG
Model Year Start: 2020	Model: Corolla Hatchback	Prod Date Range: [01/2019 - 09/2022]
Title: AXLE AND DIFFERENTIAL: REAR AXLE HUB BOLT (for Double Wishbone Type Suspension 2WD with Electric Parking Brake): REPLACEMENT; 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV [01/2019 - 09/2022]

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 rear axle hub bolt removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced (for HV Model)

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed	Link
Auxiliary battery terminal is disconnected/reconnected	Perform steering sensor zero point calibration	Lane Control System (for HV Model)
Auxiliary battery terminal is disconnected/reconnected	Perform steering sensor zero point calibration	Pre-collision System (for HV Model)

for HV Model

NOTICE:

After the power switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Audio and Visual System (for HV Model))

CAUTION / NOTICE / HINT

NOTICE:

for HV Model

When removing or installing the rear disc brake caliper assembly, pushing back the disc brake piston may cause a large clearance between the brake pads and brake disc. When the brake pedal is depressed with a large clearance between the brake pads and the brake disc, DTC C1214 related to abnormal brake fluid pressure may be stored. Make sure to clear any DTCs after performing this step.
While the auxiliary battery is connected, even if the power switch is off, the brake control system activates when the brake pedal is depressed or any door courtesy switch turns on. Therefore, when servicing the brake system components, do not operate the brake pedal or open/close the doors while the auxiliary battery is connected.

HINT:

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

PROCEDURE

1. PRECAUTION (for HV Model)

NOTICE:

After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

2. DISABLE BRAKE CONTROL (for HV Model)

Click here

3. REMOVE REAR WHEEL

Click here

4. DISCONNECT NO. 2 PARKING BRAKE WIRE ASSEMBLY

Click here

5. SEPARATE REAR DISC BRAKE CALIPER ASSEMBLY

(a) Remove the 2 bolts and separate the rear disc brake caliper assembly from the rear axle carrier sub-assembly.

NOTICE:

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

6. REMOVE REAR DISC

Click here

7. REMOVE REAR AXLE HUB BOLT

(a) Temporarily install 2 service nuts to the rear 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 rear axle hub bolts.

*a	Service Nut

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

SST: 09611-12010

NOTICE:

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

8. INSTALL REAR AXLE HUB BOLT

(a) Temporarily install a new rear axle hub bolt to the rear axle hub and bearing assembly.

*a	Service Nut
*b	Washer

(b) Install a washer and service nut to the rear 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.

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

NOTICE:

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

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

9. INSTALL REAR DISC

Click here

10. INSTALL REAR DISC BRAKE CALIPER ASSEMBLY

(a) Install the rear disc brake caliper assembly to the rear axle carrier sub-assembly with the 2 bolts.

Torque:

107 N·m {1091 kgf·cm, 79 ft·lbf}

11. CONNECT NO. 2 PARKING BRAKE WIRE ASSEMBLY

Click here

12. INSTALL REAR WHEEL

Click here

13. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL (for HV Model)

(a) Connect the reservoir level switch connector.

(b) Connect the cable to the negative (-) auxiliary battery terminal.

Click here

(d) Depress the brake pedal and release it.

(e) Clear the DTCs.

Click here