Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001XT0Z
Model Year Start: 2022 Model: Avalon Prod Date Range: [08/2021 -           ]
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: BRAKE ACTUATOR (for Gasoline Model): INSTALLATION; 2022 MY Avalon [08/2021 -        ]

INSTALLATION

CAUTION / NOTICE / HINT

HINT:

The parking brake indicator light blinks (red) when the engine switch is turned to ON after replacing the brake actuator assembly. Operate the electric parking brake switch assembly to turn off the parking brake indicator light.

PROCEDURE

1. INSTALL BRAKE ACTUATOR BRACKET CUSHION

(a) Install the 3 brake actuator bracket cushions to the brake actuator bracket assembly.

2. INSTALL NO. 2 BRAKE ACTUATOR CASE COLLAR

(a) Install the 3 No. 2 brake actuator case collars to the brake actuator bracket cushion.

NOTICE:

Make sure that the No. 2 brake actuator case collar is in full contact with the brake actuator bracket cushion.

(b) Install the 3 nuts.

Torque:

19 N·m {194 kgf·cm, 14 ft·lbf}

3. INSTALL BRAKE ACTUATOR ASSEMBLY

(a) Install the brake actuator assembly to the brake actuator bracket assembly with the 3 bolts.

Torque:

6.5 N·m {66 kgf·cm, 58 in·lbf}

NOTICE:

  • Do not remove the hole plugs of a new brake actuator assembly before connecting the brake tubes because the brake actuator assembly is filled with brake fluid.
  • Do not hold the brake actuator assembly by the connector.
  • Do not drop the brake actuator assembly when carrying it.
  • Tighten the 3 bolts in the order shown in the illustration.

4. INSTALL BRAKE ACTUATOR WITH BRACKET

(a) Temporarily install the brake actuator with bracket to the vehicle body with the 2 bolts and nut.

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:

  • Install the brake actuator with bracket while avoiding the brake lines.
  • Install the 2 bolts from the bottom of the vehicle.

(b) Tighten the 2 bolts and nut in the order shown in the illustration.

Torque:

19 N·m {194 kgf·cm, 14 ft·lbf}

(c) Remove the protective tape.

(d) Engage the clamp to install a new brake tube clamp.

(e) Return the front No. 3 brake tube to its original position.

NOTICE:

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

(f) Temporarily install the front No. 3 brake tube to the front flexible hose.

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.

(g) Engage the clamp to connect the front No. 3 brake tube.

NOTICE:

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

(h) Temporarily tighten the brake line to the correct position on the brake actuator assembly as shown in the illustration.

NOTICE:

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

*a

To Front Wheel Cylinder Assembly LH

(i) Using a union nut wrench, fully tighten the brake line.

Torque:

Specified tightening torque :

15.2 N·m {155 kgf·cm, 11 ft·lbf}

NOTICE:

Do not kink or damage the brake line.

HINT:

  • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

    Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

  • When using a union nut wrench (fulcrum length of 22 mm (0.866 in.)) + torque wrench (fulcrum length of 162 mm (6.38 in.)):

    13.4 N*m (137 kgf*cm, 10 ft.*lbf)

*a

Torque Wrench Fulcrum Length

*b

Union Nut Wrench

(j) Temporarily tighten the brake line to the correct position on the brake actuator assembly as shown in the illustration.

NOTICE:

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

*a

To Rear Wheel Cylinder Assembly RH

(k) Using a union nut wrench, fully tighten the brake line.

Torque:

Specified tightening torque :

15.2 N·m {155 kgf·cm, 11 ft·lbf}

NOTICE:

Do not kink or damage the brake line.

HINT:

  • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

    Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

  • When using a union nut wrench (fulcrum length of 22 mm (0.866 in.)) + torque wrench (fulcrum length of 162 mm (6.38 in.)):

    13.4 N*m (137 kgf*cm, 10 ft.*lbf)

*a

Torque Wrench Fulcrum Length

*b

Union Nut Wrench

(l) Temporarily tighten the 4 brake lines to the correct positions on the brake actuator assembly as shown in the illustration.

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.

*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

(m) Using a union nut wrench, fully tighten each brake line.

Torque:

Specified tightening torque (A) :

19.5 N·m {199 kgf·cm, 14 ft·lbf}

Specified tightening torque (B) :

15.2 N·m {155 kgf·cm, 11 ft·lbf}

NOTICE:

Do not kink or damage the brake lines.

HINT:

  • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

    Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

  • When using a union nut wrench (fulcrum length of 20 mm (0.787 in.)) + torque wrench (fulcrum length of 162 mm (6.38 in.)):

    (A): 17.4 N*m (177 kgf*cm, 13 ft.*lbf)

  • When using a union nut wrench (fulcrum length of 22 mm (0.866 in.)) + torque wrench (fulcrum length of 162 mm (6.38 in.)):

    (B): 13.4 N*m (137 kgf*cm, 10 ft.*lbf)

*a

Torque Wrench Fulcrum Length

*b

Union Nut Wrench

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

Torque:

Specified tightening torque :

15.2 N·m {155 kgf·cm, 11 ft·lbf}

NOTICE:

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

HINT:

  • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

    Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

  • When using a union nut wrench (fulcrum length of 22 mm (0.866 in.)) + torque wrench (fulcrum length of 162 mm (6.38 in.)):

    13.4 N*m (137 kgf*cm, 10 ft.*lbf)

*a

Torque Wrench Fulcrum Length

*b

Union Nut Wrench

(o) Connect the connector to the brake actuator assembly and lock the lock lever.

Connect the connector

Lock the lock lever

NOTICE:

  • Make sure that the connector is locked securely.
  • Make sure that the actuator connector can be connected smoothly.
  • Do not allow water, oil or dirt to enter the connector.

5. INSTALL FRONT CENTER UPPER SUSPENSION BRACE SUB-ASSEMBLY

(a) Temporarily install the front center upper suspension brace sub-assembly with the 6 bolts and 4 nuts.

(b) Fully tighten the 2 nuts (A).

Torque:

50 N·m {510 kgf·cm, 37 ft·lbf}

(c) Fully tighten the 6 bolts and 2 nuts (B) to install the front center upper suspension brace sub-assembly.

Torque:

Bolt :

8.9 N·m {91 kgf·cm, 79 in·lbf}

Nut (B) :

39 N·m {398 kgf·cm, 29 ft·lbf}

(d) Engage the 2 clamps to install the wire harness.

(e) Connect the connector.

6. INSTALL COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; WIPER / WASHER: FRONT WIPER MOTOR: INSTALLATION+

7. INSTALL FRONT WHEEL RH

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; MAINTENANCE: TIRE AND WHEEL: INSTALLATION+

8. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

for A25A-FKS: Click here 2021 - 2022 MY Avalon [08/2020 -        ]; MAINTENANCE: A25A-FKS BATTERY: INSTALLATION+

for 2GR-FKS: Click here 2019 - 2022 MY Avalon [04/2018 -        ]; MAINTENANCE: 2GR-FKS BATTERY: INSTALLATION+

NOTICE:

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

Click here 2022 MY Avalon Avalon HV [08/2021 -        ]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION

9. BLEED BRAKE SYSTEM

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; BRAKE SYSTEM (OTHER): BRAKE FLUID (for Gasoline Model): BLEEDING

10. PERFORM SYSTEM VARIANT LEARNING AND ACCELERATION SENSOR ZERO POINT CALIBRATION

Click here 2022 MY Avalon [08/2021 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model): CALIBRATION

11. PERFORM TEST MODE INSPECTION

Click here 2022 MY Avalon [08/2021 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model): TEST MODE PROCEDURE

12. INSPECT BRAKE ACTUATOR USING TECHSTREAM

Click here 2022 MY Avalon [08/2021 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: BRAKE ACTUATOR (for Gasoline Model): ON-VEHICLE INSPECTION

13. CHECK FOR AND CLEAR DTCS

Click here 2022 MY Avalon [08/2021 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model): DTC CHECK / CLEAR