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

Last Modified: 07-31-2024	6.11:8.1.0	Doc ID: RM1000000026WE9
Model Year Start: 2023	Model: GR Corolla	Prod Date Range: [09/2022 - ]
Title: BRAKE (REAR): REAR BRAKE (for 2-Pot Caliper): REMOVAL; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - ]

REMOVAL

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 brake removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part	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

CAUTION / NOTICE / HINT

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

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2. DRAIN BRAKE FLUID

NOTICE:

If brake fluid leaks onto any painted surface, immediately wash it off.

3. REMOVE REAR DISC BRAKE PIN HOLD CLIP

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4. REMOVE REAR DISC BRAKE ANTI-RATTLE PIN

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5. REMOVE REAR DISC BRAKE ANTI-RATTLE SPRING

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6. REMOVE REAR DISC BRAKE PAD

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7. REMOVE REAR DISC BRAKE ANTI SQUEAL SHIM KIT

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8. DISCONNECT REAR LH FLEXIBLE HOSE

(a) Remove the union bolt and disconnect the rear flexible hose from the rear disc brake cylinder assembly.

(b) Remove the gasket from the rear flexible hose.

9. REMOVE REAR DISC BRAKE CYLINDER ASSEMBLY

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

10. REMOVE DISK WHEEL SPACER

(a) Using a 5 mm hexagon socket wrench, remove the bolt.

(b) Remove the disk wheel spacer.

NOTICE:

Check that the bolt has been fully removed.

11. REMOVE PARKING BRAKE SHOE ADJUSTING HOLE PLUG

(a) Remove the parking brake shoe adjusting hole plug from the rear disc.

12. REMOVE REAR DISC

(a) Put matchmarks on the rear disc and the rear axle hub and bearing assembly.

HINT:

Not required when replacing the rear disc.

Matchmark

(b) Release the parking brake and remove the rear disc from the rear disc and the rear axle hub and bearing assembly.

Contract

HINT:

If the rear disc cannot be removed easily, use a screwdriver to turn the shoe adjuster as shown in the illustration in order to contract the parking brake shoes.