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Home >> Toyota >> 2020 >> Avalon Limited >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Hydraulic) (Service Information) >> BRAKE BOOSTER (for Gasoline Model) >> Installation [08/2020 -] >> Procedure

Installation [08/2020 -]: 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: 12.8 N*m (131 kgf*cm, 9 ft.*lbf) 

    4. Connect the connector to the vacuum warning switch assembly.
  3. INSTALL PUSH ROD PIN 

    See step  5

  4. CONNECT UNION TO CHECK VALVE HOSE 
    1. Connect the union to check valve hose to the brake booster assembly, and slide the clip to secure it.
  5. INSTALL BATTERY CLAMP SUB-ASSEMBLY 
    1. for A25A-FKS:
      1. Install the battery clamp sub-assembly with the 3 bolts and nut.
        GTY767072Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Bolt 

        Torque: 18.5 N*m (189 kgf*cm, 14 ft.*lbf) 

        Nut 

        Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf) 

      2. Engage the 4 clamps to the battery clamp sub-assembly.
    2. for 2GR-FKS:
      1. Install the battery clamp sub-assembly with the 3 bolts and nut.
        GTY754844Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Bolt 

        Torque: 18.5 N*m (189 kgf*cm, 14 ft.*lbf) 

        Nut 

        Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf) 

      2. Engage the 5 clamps to the battery clamp sub-assembly.
  6. INSTALL AIR CLEANER ASSEMBLY WITH AIR CLEANER HOSE (for A25A-FKS) 

    Refer to PROCEDURE - Step 45

  7. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY (for A25A-FKS) 

    Refer to PROCEDURE - Step 47

  8. INSTALL AIR CLEANER ASSEMBLY WITH AIR CLEANER HOSE (for 2GR-FKS) 

    Refer to PROCEDURE - Step 44

  9. INSTALL FRONT CENTER UPPER SUSPENSION BRACE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 5 [08/2020 - 08/2021] , or refer to PROCEDURE - Step 5 [08/2021 -]

  10. INSTALL COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 3

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

    Refer to PROCEDURE - Step 47

  12. INSTALL BRAKE MASTER CYLINDER SUB-ASSEMBLY 

    Refer to INSTALLATION [08/2020 -] 

  13. INSPECT AND ADJUST BRAKE PEDAL 

    Refer to ADJUSTMENT [08/2020 - 08/2021] , or refer to ADJUSTMENT [08/2021 -] 

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