Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001GJH5
Model Year Start: 2020 Model: Corolla Prod Date Range: [01/2019 - 09/2022]
Title: MAINTENANCE: FRONT DISC BRAKE PAD (for HV Model): REMOVAL; 2020 - 2022 MY Corolla Corolla HV [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 front disc brake pad removal/installation 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

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)

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 front disc brake pads, the brake pedal may feel soft due to clearance between the front disc brake pads and front disc. Depress the brake pedal several times until the brake pedal feels firm.
  • After replacing the front 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.
  • 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

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

Click here 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; BRAKE (FRONT): FRONT BRAKE (for HV Model): REMOVAL+

3. REMOVE FRONT 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

4. REMOVE FRONT DISC BRAKE PAD

CAUTION:

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

(a) Hold the front disc brake cylinder slide pin (lower side) and remove the bolt.

NOTICE:

Do not kink or damage the brake line.

*a

Turn

*b

Hold

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

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

5. REMOVE FRONT DISC BRAKE ANTI-SQUEAL SHIM KIT

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

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