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Home >> GMC >> 2020 >> Acadia SL >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Repair Instructions >> Brake Master Cylinder Replacement - With Power Brake Booster and Electronic Brake Control Module >> Removal Procedure

Removal Procedure

  1. Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection
  2. Floor Front Air Outlet Duct - Left Side - Remove - Floor Front Air Outlet Duct Replacement - Left Side (LHD)
  3. Radiator Surge Tank - Reposition - Radiator Surge Tank Replacement (LCV) , or Radiator Surge Tank Replacement (LGX without C69) , or Radiator Surge Tank Replacement (LSY) , or Radiator Surge Tank Replacement (LGX with C69)
  4. GM5334674Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Outlet Intermediate Duct (1) - Remove - Air Cleaner Outlet Intermediate Duct Replacement

  5. GM5160645Courtesy of GENERAL MOTORS COMPANY

    Turbocharger Outlet Duct Connector (1) - Remove - Turbocharger Outlet Duct Connector Replacement

  6. GM5168152Courtesy of GENERAL MOTORS COMPANY

    Disconnect the electrical connector. (1)

  7. NOTE:

    Label the brake pipes to ensure they are re-installed in the correct ports of the brake master cylinder.

  8. Brake Pipe Fitting (2) - Remove [4x]
  9. Plug the brake master cylinder ports and the brake pipes to stop fluid loss and contamination.
  10. GM5168150Courtesy of GENERAL MOTORS COMPANY

    Disconnect the electrical connector. (1)

  11. Brake Master Cylinder Bracket Nut (2) - Remove
  12. GM5168148Courtesy of GENERAL MOTORS COMPANY

    Wiring Harness Clip (1) - Release

  13. GM5168146Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

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

  14. With the aid of an assistant, hold the brake master cylinder away from the dash panel.
  15. GM4285082Courtesy of GENERAL MOTORS COMPANY

    Brake PedalRetainer (1) - Release

  16. NOTE:

    Pull the brake pedal rearward to release.

  17. Brake Pedal (2) - Release
  18. GM4285112Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Insert a long, thin tool through the power brake booster pass-through from the engine compartment to remove the brake pedal retainer.

    Brake PedalRetainer (1) - Remove and DISCARD

  19. GM5527510Courtesy of GENERAL MOTORS COMPANY

    Remove the brake master cylinder (1) from the vehicle.

  20. GM5169839Courtesy of GENERAL MOTORS COMPANY

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

  21. Brake Master Cylinder Bracket (2) - Remove and DISCARD
  22. Transfer components as necessary.