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Home >> Toyota >> 2021 >> C-HR XLE >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Hydraulic) - Service Information >> BRAKE MASTER CYLINDER (for TMC Made) >> Removal [09/2019 - 08/2020] >> Procedure

Removal [09/2019 - 08/2020]: Procedure

  1. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY 

    Refer to REMOVAL [10/2017 - 12/2021]

  2. REMOVE NO. 1 HEATER AIR DUCT SPLASH SHIELD SEAL 

    Refer to PROCEDURE - Step 3

  3. REMOVE WATER GUARD PLATE LH 

    Refer to PROCEDURE - Step 4

  4. REMOVE COWL BODY MOUNTING REINFORCEMENT LH 

    Refer to PROCEDURE - Step 5

  5. REMOVE COWL BODY MOUNTING REINFORCEMENT RH 

    Refer to PROCEDURE - Step 6

  6. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 7

  7. REMOVE BATTERY 

    Refer to REMOVAL [02/2017 - 08/2020]

  8. DRAIN BRAKE FLUID 
    NOTE:

    If brake fluid leaks onto any painted surface, immediately wash it off.

  9. REMOVE BRAKE MASTER CYLINDER SUB-ASSEMBLY 
    1. Disengage the clamp and disconnect the reservoir level switch connector.
      GTY835350Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a union nut wrench, disconnect the 2 brake lines from the brake master cylinder sub-assembly.
      GTY811991Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Do not damage or deform the brake lines during the removal procedure.
      • Do not allow any foreign matter such as dirt or dust to enter the brake lines from the connecting parts.
    3. Remove the nut and separate the wire harness bracket.
      GTY811989Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the nut and brake master cylinder sub-assembly from the brake booster assembly.
      NOTE:
      • The brake master cylinder sub-assembly requires careful handling. Do not drop or subject the brake master cylinder sub-assembly to any impact. Do not reuse a brake master cylinder sub-assembly that has been dropped.
      • Do not hold the brake master cylinder sub-assembly by the master cylinder piston. Hold the brake master cylinder sub-assembly by its body or its brake master cylinder reservoir assembly when carrying it.
      • Do not pull out the master cylinder piston.
      • Do not strike or pinch the master cylinder piston, or cause any damage to the master cylinder piston by any other means.
      • When installing the brake master cylinder sub-assembly to the brake booster assembly, or when removing the brake master cylinder sub-assembly from the brake booster assembly, make sure that the brake master cylinder sub-assembly is kept horizontal or with its tip facing downward (the master cylinder piston is facing upward) to prevent the master cylinder piston from falling out.
      • Do not allow any foreign matter to contaminate the master cylinder piston. If any foreign matter gets on the master cylinder piston, remove it by using a piece of cloth and then apply an even layer of lithium soap base glycol grease around the circumference (sliding part) of the master cylinder piston.
      • Do not use any other type of grease or fluid.
      • Make sure to release vacuum from the brake booster assembly before removing the brake master cylinder sub-assembly from the brake booster assembly.
    5. Remove the brake master cylinder O-ring from the brake master cylinder sub-assembly.
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