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Home >> Toyota >> 2019 >> C-HR LE >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control / Dynamic Control Systems - Service Information >> Brake Actuator >> Installation [02/2017 - 09/2019] >> Procedure

Installation [02/2017 - 09/2019]: Procedure

  1. INSTALL BRAKE ACTUATOR BRACKET CUSHION 
    1. Install the brake actuator bracket cushion to the brake actuator bracket assembly.
  2. INSTALL NO. 1 BRAKE ACTUATOR CASE COLLAR 
    1. Install the No. 1 brake actuator case collar to the brake actuator bracket cushion.
  3. INSTALL BRAKE ACTUATOR ASSEMBLY 
    1. Temporarily install the brake actuator assembly with the 2 nuts and bolt.
    2. Fully tighten the 2 nuts and bolt in the order shown in the illustration.

      Torque: 6.5 N*m (66 kgf*cm, 58 in.*lbf) 

      NOTE:
      • 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.
      Fig 1: Brake Actuator Assembly Bolts Tightening Sequence
      GTY765401Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSTALL BRAKE ACTUATOR WITH BRACKET 
    1. Temporarily install the brake actuator with bracket to the vehicle body with the bolt and 2 nuts.
    2. Fully tighten the bolt and 2 nuts in the order shown in the illustration.
      Fig 2: Brake Actuator With Bracket Bolt and Nuts Tightening Sequence
      GTY751862Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 19 N*m (194 kgf*cm, 14 ft.*lbf) 

      NOTE:

      Do not damage the brake tubes.

    3. Temporarily tighten each brake line to the correct position on the brake actuator assembly as shown in the illustration.
      GTY765827Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a From 1st Chamber of Brake Booster with Master Cylinder Assembly
      *b From 2nd Chamber of Brake Booster with Master Cylinder Assembly
      *c To Front Wheel Cylinder Assembly LH
      *d To Rear Wheel Cylinder Assembly RH
      *e To Rear Wheel Cylinder Assembly LH
      *f To Front Wheel Cylinder Assembly RH
    4. Using a 10 mm and 12 mm union nut wrench, connect the 6 brake tubes to the brake actuator assembly.
      GTY757007Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Torque Wrench Fulcrum Length

      Specified tightening torque (A) 

      Torque: 15.2 N*m (155 kgf*cm, 11 ft.*lbf) 

      Specified tightening torque (B) 

      Torque: 19.5 N*m (199 kgf*cm, 14 ft.*lbf) 

      NOTE:
      • Do not kink or damage the brake tubes.
      • Do not allow the brake tubes to twist or interfere with other parts or the vehicle body during tightening.
      • Do not allow any foreign matter such as dirt or dust to enter the brake tubes from the connecting parts.

      HINT: 

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

        Refer to PRECAUTION [02/2017 - 05/2018] , or refer to PRECAUTION [05/2018 - ]

      • When using a union nut wrench (fulcrum length of 22 mm (0.866 in.)) + torque wrench (fulcrum length of 162 mm (6.38 in.)) (A): 13.4 N*m (137 kgf*cm, 10 ft.*lbf)
      • When using a union nut wrench (fulcrum length of 20 mm (0.787 in.)) + torque wrench (fulcrum length of 162 mm (6.38 in.)) (B): 17.4 N*m (177 kgf*cm, 13 ft.*lbf)
    5. Connect the connector to the brake actuator assembly and lock the lock lever.
      NOTE:
      • Make sure that the actuator connector can be connected smoothly. Do not allow water, oil or dirt to enter the connector.
      • Make sure that the connector is locked securely.
      GTY756187Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Connect the connector
      Lock the lock lever
  5. INSTALL OUTER COWL TOP PANEL SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 15 [02/2017 - 10/2017] , or refer to PROCEDURE - Step 15 [10/2017 - 09/2019]

  6. INSTALL BATTERY 

    Refer to INSTALLATION [02/2017 - 08/2020]

  7. INSTALL COWL BODY MOUNTING REINFORCEMENT RH 

    Refer to PROCEDURE - Step 16 [02/2017 - 10/2017] , or refer to PROCEDURE - Step 16 [10/2017 - 09/2019]

  8. INSTALL COWL BODY MOUNTING REINFORCEMENT LH 

    Refer to PROCEDURE - Step 17 [02/2017 - 10/2017] , or refer to PROCEDURE - Step 17 [10/2017 - 09/2019]

  9. INSTALL WATER GUARD PLATE LH 

    Refer to PROCEDURE - Step 18 [02/2017 - 10/2017] , or refer to PROCEDURE - Step 18 [10/2017 - 09/2019]

  10. INSTALL NO. 1 HEATER AIR DUCT SPLASH SHIELD SEAL 

    Refer to PROCEDURE - Step 19 [02/2017 - 10/2017] , or refer to PROCEDURE - Step 19 [10/2017 - 09/2019]

  11. INSTALL WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY 

    Refer to INSTALLATION [02/2017 - 10/2017] , or refer to INSTALLATION [10/2017 - 12/2021]

  12. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 

    Refer to PROCEDURE - Step 2

    NOTE:

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

    Refer to INITIALIZATION [02/2017 - 10/2017] , or refer to INITIALIZATION [10/2017 - 05/2018] , or refer to INITIALIZATION [05/2018 - 09/2019]

  13. BLEED BRAKE SYSTEM 

    Refer to BLEEDING [02/2017 - 05/2018] , or refer to BLEEDING [05/2018 - ]

  14. INSPECT BRAKE ACTUATOR USING TECHSTREAM 

    Refer to ON-VEHICLE INSPECTION [02/2017 - ] 

  15. PERFORM SYSTEM VARIANT LEARNING 

    Refer to CALIBRATION [02/2017 - 10/2017] , or refer to CALIBRATION [10/2017 - 12/2021]

  16. CHECK FOR AND CLEAR DTCS 

    Refer to DTC CHECK / CLEAR [02/2017 - ]

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