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Home >> Toyota >> 2019 >> Sequoia SR5, 4WD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Hydraulic) (Service Information) >> Brake Master Cylinder >> Installation [08/2017 - ] >> Procedure

Installation [08/2017 - ]: Procedure

  1. INSTALL BRAKE MASTER CYLINDER SUB-ASSEMBLY 
    1. Apply lithium soap base glycol grease to the entire circumference of a new brake master cylinder seal.
    2. Install the brake master cylinder seal onto the brake master cylinder.
    3. Install the brake master cylinder with 2 new nuts.
      GTY605482Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 25 N.m (255 kgf/cm, 18 ft.lbf) 

  2. CONNECT FRONT NO. 1 BRAKE TUBE 
    1. Using a union nut wrench, connect the brake tube (labeled A) to the brake master cylinder.
      GTY770023Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Torque Wrench Fulcrum Length
      *b Union Nut Wrench

      Specified tightening torque 

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

      HINT: 

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

        Refer to

        PRECAUTION [08/2017 - 08/2019] , or refer to

        PRECAUTION [08/2019 - ]

      • When using a union nut wrench (fulcrum length of 20 mm (0.787 in.)) + torque wrench (fulcrum length of 180 mm (7.087 in.)): 17.6 N.m (179 kgf/cm, 13 ft.lbf)
  3. CONNECT REAR NO. 1 BRAKE TUBE 
    1. Using a union nut wrench, connect the brake tube (labeled B) to the brake master cylinder.

      Specified tightening torque 

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

      HINT: 

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

        Refer to

        PRECAUTION [08/2017 - 08/2019] , or refer to

        PRECAUTION [08/2019 - ]

      • When using a union nut wrench (fulcrum length of 20 mm (0.787 in.)) + torque wrench (fulcrum length of 180 mm (7.087 in.)): 17.6 N.m (179 kgf/cm, 13 ft.lbf)
      GTY748812Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Torque Wrench Fulcrum Length
      *b Union Nut Wrench
  4. CONNECT BRAKE FLUID LEVEL WARNING SWITCH CONNECTOR 
    1. Connect the brake fluid level warning switch connector.
  5. BLEED BRAKE SYSTEM 

    See step  2