BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: BRAKE ACTUATOR (for Gasoline Model): REMOVAL; 2021 MY Avalon [08/2020

Last Modified: 08-21-2023	6.11:8.1.0	Doc ID: RM100000001RUKK
Model Year Start: 2021	Model: Avalon	Prod Date Range: [08/2020 - 08/2021]
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: BRAKE ACTUATOR (for Gasoline Model): REMOVAL; 2021 MY Avalon [08/2020 - 08/2021]

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 brake actuator assembly 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
*: When performing learning using the Techstream. Click here
Battery terminal is disconnected/reconnected	Perform steering sensor zero point calibration	Lane departure alert system (w/ Steering Control)
		Pre-collision system
		Intelligent Clearance Sonar System*
		Lighting System (for Gasoline Model with Cornering Light)
	Memorize steering angle neutral point	Parking assist monitor system
	Memorize steering angle neutral point	Panoramic View Monitor System
Replacement of brake actuator assembly	Perform system variant learning and acceleration sensor zero point calibration	VSC is disabled or malfunctions DTCs are output Slip indicator light illuminates ABS warning light illuminates
Replacement of brake actuator assembly	Operate the electric parking brake switch (electric parking brake switch assembly)	Parking brake indicator light blinks when the engine switch is first turned on (IG)

PROCEDURE

1. PRECAUTION

NOTICE:

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

Click here

2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

for A25A-FKS: Click here

for 2GR-FKS: Click here

NOTICE:

When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

Click here

3. DRAIN BRAKE FLUID

NOTICE:

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

4. REMOVE FRONT WHEEL RH

Click here

5. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY

Click here

6. REMOVE FRONT CENTER UPPER SUSPENSION BRACE SUB-ASSEMBLY

(a) Disconnect the connector.

(b) Disengage the 2 clamps and separate the wire harness.

7. REMOVE BRAKE ACTUATOR WITH BRACKET

(a) Release the lock lever and disconnect the connector from the brake actuator assembly.

	Release the lock lever
	Disconnect the connector

NOTICE:

Be careful not to allow any brake fluid to enter the connector.

(b) Use tags or make a memo to identify the places to reconnect the brake lines.

*a	From 1st Chamber of Brake Master Cylinder Sub-assembly
*b	From 2nd Chamber of Brake Master Cylinder Sub-assembly
*c	To Front Wheel Cylinder Assembly RH
*d	To Rear Wheel Cylinder Assembly LH
*e	To Rear Wheel Cylinder Assembly RH
*f	To Front Wheel Cylinder Assembly LH

NOTICE:

Do not kink or damage the brake lines.
Do not allow any foreign matter such as dirt or dust to enter the brake lines from the connecting parts.

(d) Using a union nut wrench, disconnect the front No. 3 brake tube while holding the front flexible hose with a wrench.

NOTICE:

Do not kink or damage the front No. 3 brake tube.
Do not allow any foreign matter such as dirt or dust to enter the front No. 3 brake tube from the connecting parts.

(e) Disengage the clamp and separate the front No. 3 brake tube.

NOTICE:

Do not kink or damage the front No. 3 brake tube.

(f) Move aside the front No. 3 brake tube as shown in the illustration.

NOTICE:

Do not apply excessive force to the front No. 3 brake tube.

(g) Disengage the clamp and remove the brake tube clamp.

(h) Apply protective tape to the vehicle body as shown in the illustration.

Protective Tape

(i) Remove the 2 bolts.

HINT:

Insert the tool from the bottom of the vehicle.

(j) Remove the nut and brake actuator with bracket.

NOTICE:

Do not kink or damage the brake lines.
Do not allow any foreign matter such as dirt or dust to enter the brake lines from the connecting parts.
Be careful not to allow any brake fluid to enter the connector.
Do not hold the brake actuator assembly by the connector.
Do not drop the brake actuator with bracket when carrying it.

HINT:

Remove the brake actuator with bracket while avoiding the brake lines.

8. REMOVE BRAKE ACTUATOR ASSEMBLY

(a) Loosen the 2 nuts.

(b) Remove the bolt and brake actuator assembly from the brake actuator bracket assembly.

NOTICE:

Do not hold the brake actuator assembly by the connector.
Do not drop the brake actuator assembly when carrying it.

9. REMOVE NO. 1 BRAKE ACTUATOR CASE COLLAR

(a) Remove the No. 1 brake actuator case collar from the brake actuator bracket cushion.

10. REMOVE BRAKE ACTUATOR BOLT CUSHION

(a) Remove the brake actuator bolt cushion from the brake actuator bracket assembly.