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Home >> Chevrolet >> 2021 >> Blazer RS, FWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Repair Instructions >> Brake Master Cylinder Reservoir Replacement (with JEO) >> Removal Procedure

Removal Procedure

    WARNING:

    The battery must be disconnected to prevent the brake master cylinder from pressurizing the hydraulic system during its automated self diagnostic tests that can possibly occur when a door is opened or the key transmitter is activated. Failure to follow this precaution may cause personal injury.

    WARNING:

    Refer to Brake Fluid Irritant Warning .

  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. Brake Master Cylinder - Remove - Brake Master Cylinder Replacement - With Power Brake Booster and Electronic Brake Control Module 
  5. GM5512163Courtesy of GENERAL MOTORS COMPANY

    Brake Master Cylinder Bolt (1) - Remove [2x]

  6. GM5512164Courtesy of GENERAL MOTORS COMPANY

    Brake Master Cylinder Reservoir (1) - Remove

  7. GM5512165Courtesy of GENERAL MOTORS COMPANY

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

  8. Transfer components as needed.