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Home >> Chevrolet >> 2023 >> Bolt EV >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Repair Instructions >> Brake Master Cylinder Replacement >> Removal Procedure

Removal Procedure

WARNING:

Refer to Brake Fluid Irritant Warning .

WARNING:

Use of eye goggles is necessary to prevent personal injury.

CAUTION:

Refer to Brake Fluid Effects on Paint and Electrical Components Caution .

  1. Engine Control Module@Vehicle - Remove - Engine Control Module Replacement
  2. GM4530353Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) @Brake Fluid Level Indicator Switch (2) - Disconnect

  3. GM4530355Courtesy of GENERAL MOTORS COMPANY

    Clip (1) @Brake Master Cylinder Reservoir (3) - Unclip [2x]

  4. Body Wiring Harness (1) @Brake Master Cylinder Reservoir (3) - Reposition
  5. GM4530360Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Cap the brake pipe fittings to prevent brake fluid loss and contamination.

    Brake Pressure Modulator Valve Front Pipe Fitting (1) @Brake Master Cylinder (3) - Remove

  6. Brake Pressure Modulator Valve Rear Pipe Fitting (2) @Brake Master Cylinder (3) - Remove
  7. GM4530361Courtesy of GENERAL MOTORS COMPANY

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

  8. GM4530362Courtesy of GENERAL MOTORS COMPANY

    Brake Master Cylinder (1) - Remove

  9. Brake Master Cylinder Seal (2) - Remove
  10. Brake Master Cylinder Reservoir@Brake Master Cylinder - Remove - Brake Master Cylinder Reservoir Replacement 
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