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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 258 (Hydraulic Brakes) >> Repair Instructions >> Brake Master Cylinder Reservoir Replacement (without MJK) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection
  2. Thoroughly clean the brake master cylinder reservoir and the brake master cylinder body to remove any dirt and debris.
  3. Using a suitable tool, remove and properly dispose of the brake fluid from the brake master cylinder reservoir.
  4. Front End Sheet Metal Cross Brace - Remove - Front End Sheet Metal Cross Brace Replacement (Impact Bar Bracket) , or Front End Sheet Metal Cross Brace Replacement (Plenum without Blackwing) , or Front End Sheet Metal Cross Brace Replacement (Plenum with Blackwing)
  5. GM5491702Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) @ Brake Fluid Level Sensor - Disconnect

  6. Remove and properly dispose of the brake fluid in the master cylinder reservoir.
  7. GM5493641Courtesy of GENERAL MOTORS COMPANY

    Brake Master Cylinder Reservoir Bolt (2) - Remove and DISCARD

  8. Lift the front of the brake master cylinder reservoir (1) upwards and remove from the brake master cylinder.
  9. GM5493642Courtesy of GENERAL MOTORS COMPANY

    Brake Master Cylinder Reservoir Grommet (1) - Remove and DISCARD [3x]