Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001GIA5
Model Year Start: 2020 Model: GR Corolla Prod Date Range: [01/2019 - 09/2022]
Title: MAINTENANCE: REAR DISC BRAKE PAD (w/ Electric Parking Brake): REMOVAL; 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 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 disc brake pad 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)

2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; PRE-COLLISION: PRE-COLLISION SYSTEM (for HV Model): INITIALIZATION

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:

  • Immediately after installing the brake pads, the braking performance may be reduced. Always perform a road test in a safe place while paying attention to the surroundings.
  • After replacing the rear disc brake pads, the brake pedal may feel soft due to clearance between the rear disc brake pads and rear disc. Depress the brake pedal several times until the brake pedal feels firm.
  • After replacing the rear disc brake pads, always perform a road test to check the braking performance and check for vibrations.
  • When the brake pedal is first depressed after replacing the brake pads or pushing back the disc brake piston, DTC C1214 may be stored. As there is no malfunction, clear the DTC. (for HV Model)
  • 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. (for HV Model)

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. REMOVE REAR WHEEL

Click here 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 03/2019]; MAINTENANCE: TIRE AND WHEEL: REMOVAL 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 09/2022]; MAINTENANCE: TIRE AND WHEEL: REMOVAL

3. PERFORM REAR BRAKE PAD REPLACEMENT MODE

for HV Model: Click here 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM (for HV Model): TEST MODE PROCEDURE

for Gasoline Model: Click here 2019 - 2025 MY Corolla Corolla Hatchback GR Corolla [06/2018 -        ]; PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM (for Gasoline Model): TEST MODE PROCEDURE

4. DISABLE BRAKE CONTROL (for HV Model)

Click here 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 09/2022]; BRAKE (REAR): REAR BRAKE (w/ Electric Parking Brake): REMOVAL+

5. DISCONNECT NO. 2 PARKING BRAKE WIRE ASSEMBLY

Click here 2020 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 -        ]; PARKING BRAKE: ELECTRIC PARKING BRAKE ACTUATOR: REMOVAL+

6. REMOVE REAR DISC BRAKE PAD

CAUTION:

  • Be careful not to get pinched by the rear disc brake cylinder assembly or other parts when removing the rear disc brake pads.
  • After lifting up the rear disc brake cylinder assembly, secure it in place before performing any work on it.
  • The rear disc brake cylinder assembly could fall, pinching hands or fingers and causing injury.

(a) Hold the rear No. 1 disc brake cylinder slide pin and remove the bolt.

*a

Hold

*b

Turn

(b) Pull the rear disc brake cylinder assembly upward.

(c) Remove the 2 rear disc brake pads from the rear disc brake cylinder mounting.

7. REMOVE REAR DISC BRAKE ANTI-SQUEAL SHIM KIT

(a) Remove the rear No. 1 disc brake anti-squeal shim and rear No. 2 disc brake anti-squeal shim from each rear disc brake pad.

*1

Rear No. 1 Disc Brake Anti-squeal Shim

*2

Rear No. 2 Disc Brake Anti-squeal Shim

*3

Rear Disc Brake Pad

(b) Using a screwdriver, remove the rear disc brake pad wear indicator plate from each rear disc brake pad.