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Home >> Lexus >> 2021 >> LC 500 2D Coupe >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Rear) - Service Information (Coupe) >> Rear Brake >> Reassembly [03/2017 - ] >> Procedure

Reassembly [03/2017 - ]: Procedure

  1. TEMPORARILY INSTALL REAR DISC BRAKE BLEEDER PLUG 

    HINT: 

    Tighten the rear disc brake bleeder plug after bleeding the system.

  2. INSTALL PISTON SEAL 
    1. Apply lithium soap base glycol grease to the entire circumference of a 4 new piston seals.
      GTY778339Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Lithium soap base glycol grease
    2. Install the 4 piston seals to the rear disc brake cylinder assembly LH.
      NOTE:

      Securely install the piston seal into the groove of the rear disc brake cylinder assembly LH.

      GTY776883Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL REAR DISC BRAKE PISTON 
    1. Apply a light layer of lithium soap base glycol grease to the entire circumference of a 4 new cylinder boots.
      GTY802993Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Cylinder Boot
      *2 Rear Disc Brake Piston
      Lithium Soap Base Glycol Grease
    2. Install the 4 cylinder boots to the rear disc brake piston.
      NOTE:

      Securely install the cylinder boot into the groove of the rear disc brake piston.

    3. Apply a light layer of lithium soap base glycol grease to the contact surfaces of the 4 rear disc brake pistons, and install it to the rear disc brake cylinder assembly LH.
      NOTE:

      Do not forcibly install the rear disc brake piston into the rear disc brake cylinder assembly LH.

  4. INSTALL CYLINDER BOOT 
    1. Install the 4 cylinder boots to the rear disc brake cylinder assembly LH as shown in the illustration.
      NOTE:
      • Securely install the cylinder boot into the groove of the rear disc brake cylinder assembly LH and rear disc brake piston.
      • Do not damage the cylinder boot.
      GTY816244Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Cylinder Boot
      *2 Rear Disc Brake Piston
      *3 Rear Disc Brake Cylinder Assembly LH