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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> 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 .

  1. Front End Sheet Metal Diagonal Brace- Left Side - Remove - Front End Sheet Metal Diagonal Brace Replacement - Left Side
  2. Place a clean shop cloth beneath the brake master cylinder to catch brake fluid spills.
  3. Using a suitable tool, remove and properly dispose of the brake fluid from the brake master cylinder reservoir.
  4. Electrical Connector @ Brake Fluid Level Indicator Switch - Disconnect
  5. Wiring Harness @ Brake Master Cylinder - Disconnect and reposition harness as necessary.
  6. GM4854086Courtesy of GENERAL MOTORS COMPANY

    Brake Pressure Modulator Valve Pipe Nut - Front (1) - Disconnect

  7. Cap the brake pipe fitting and plug the brake master cylinder outlet port to prevent brake fluid loss and contamination.
  8. Brake Pressure Modulator Valve Pipe Nut - Rear (2) - Disconnect
  9. Cap the brake pipe fitting and plug the brake master cylinder outlet port to prevent brake fluid loss and contamination.
  10. GM4854198Courtesy of GENERAL MOTORS COMPANY

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

  11. Brake Master Cylinder (2) - Remove