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Home >> Lexus >> 2005 >> GS 300 >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes - Mechanical >> Front Brake Caliper >> Disassembly

Front Brake Caliper: Disassembly

  1. REMOVE SET RINGS AND CYLINDER BOOTS 

    Using a screwdriver, remove the 2 set rings and 2 cylinder boots.

    Fig 1: Removing Set Rings & Cylinder Boots
    G02940725Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. REMOVE PISTONS 
    1. Put a piece of cloth or an equivalent between the piston and caliper.
    2. Use compressed air to remove the 2 pistons from the cylinder.
      CAUTION: Do not place your fingers in front of the piston when using compressed air.
      Fig 2: Removing Piston From Cylinder
      G02940726Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE PISTON SEALS FROM BRAKE CYLINDER 

    Using a screwdriver, remove the 2 piston seals.

    Fig 3: Removing Piston Seals
    G02940727Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE SLIDING PINS AND DUST BOOTS 
    1. Remove the 2 sliding pins from the torque plate.
      NOTE: At the time of reassembly, please refer to the following item.
      Insert the sliding pin with the sliding bushing into the bottom side.
    2. Using a screwdriver and hammer, tap out the 2 dust boots.
      NOTE: At the time of reassembly, please refer to the following item.
      Confirm that the metal plate portion of the dust boot fits snugly in the torque plate.

      HINT:

      At the time of reassembly, use a 21 mm socket and tap in new dust boots into the torque plate.

      Fig 4: Tapping Out Dust Boots
      G02940728Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002