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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Hydraulic) - Service Information >> BRAKE BOOSTER (for Gasoline Model) >> Installation [10/2022 - ] >> Procedure

Installation [10/2022 - ]: Procedure

  1. INSTALL BRAKE BOOSTER GASKET 
    1. Install a new brake booster gasket to the brake booster assembly.
  2. INSTALL BRAKE BOOSTER ASSEMBLY 
    1. Temporarily install the brake booster assembly to the vehicle body.
      NOTE:

      Do not apply excessive force to the brake lines.

    2. Temporarily install the lock nut and brake master cylinder push rod clevis to the brake booster assembly.
      NOTE:

      Fully tighten the lock nut when adjusting the brake pedal height.

    3. Install the 4 nuts to secure the brake booster assembly.

      Torque: 12.7 N.m (130 kgf/cm, 9 ft.lbf) 

  3. CONNECT CONNECTOR 
    1. Connect the connector.
      GTY1112789Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A w/ Stop and Start System
      *B w/o Stop and Start System
  4. CONNECT CONNECTOR TO CHECK VALVE HOSE 
    1. Connect the connector to check valve hose to the brake booster assembly, and slide the clip to secure it.
      GTY944837Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Paint Mark
      NOTE:
      • When connecting the connector to check valve hose, face the paint mark up.
      • Make sure that the tabs of the clip are facing upward.
  5. INSTALL PUSH ROD PIN 

    See step  5

  6. INSTALL ENGINE STOP AND START SOLENOID FILTER (w/ Stop and Start System) 

    Refer to PROCEDURE - Step 1

  7. INSTALL LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY 

    Refer to PROCEDURE - Step 1

  8. INSTALL NO. 1 SWITCH HOLE BASE 

    Refer to PROCEDURE - Step 25

  9. INSTALL LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 26

  10. CONNECT HOOD LOCK CONTROL LEVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 27

  11. INSTALL BRAKE MASTER CYLINDER SUB-ASSEMBLY 

    Refer to INSTALLATION [12/2019 - ] 

  12. INSPECT AND ADJUST BRAKE PEDAL 

    Refer to ADJUSTMENT [10/2022 - ] 

  13. INSTALL NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 28

  14. INSTALL COWL SIDE TRIM SUB-ASSEMBLY LH 

    Refer to PROCEDURE - Step 49

  15. INSTALL FRONT DOOR SCUFF PLATE LH 

    Refer to PROCEDURE - Step 50

  16. INSTALL COWL VENTILATOR PANEL SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 15

  17. INSTALL FRONT UPPER SUSPENSION TO COWL BRACE SUB-ASSEMBLY LH 

    Refer to PROCEDURE - Step 16

  18. INSTALL FRONT UPPER SUSPENSION TO COWL BRACE SUB-ASSEMBLY RH 

    HINT: 

    Perform the same procedure as for the LH side.

  19. INSTALL FRONT FENDER SPLASH SHIELD SEAL FRONT LH 

    Refer to PROCEDURE - Step 18

  20. INSTALL FRONT FENDER SPLASH SHIELD SEAL FRONT RH 

    HINT: 

    Perform the same procedure as for the LH side.

  21. INSTALL FENDER SPLASH SHIELD SUB-ASSEMBLY REAR LH 

    Refer to PROCEDURE - Step 20

  22. INSTALL FENDER SPLASH SHIELD SUB-ASSEMBLY REAR RH 

    HINT: 

    Perform the same procedure as for the LH side.

  23. INSTALL WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY 

    Refer to INSTALLATION [12/2019 - ]

  24. INSPECT SRS WARNING LIGHT 

    Refer to OPERATION CHECK [10/2022 - 11/2023]

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