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Home >> GMC >> 2024 >> Acadia AT4 >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Repair Instructions >> Brake Master Cylinder Replacement - With Power Brake Booster and Electronic Brake Control Module >> Installation Procedure

Installation Procedure

  1. GM6389548Courtesy of GENERAL MOTORS COMPANY

    Brake Master Cylinder Reservoir Seal (1) - Install NEW [3x]

  2. GM6389547Courtesy of GENERAL MOTORS COMPANY

    Brake Master Cylinder Reservoir (1) - Install

  3. GM6389545Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    Brake Master Cylinder Reservoir Bolt (2) - Install and tighten - Fastener Specifications 

  4. Brake Master Cylinder Reservoir Bolt (1) - Install and tighten [2x] - Fastener Specifications 
  5. GM6389544Courtesy of GENERAL MOTORS COMPANY

    Brake Fluid Level Indicator Switch (1) - Install

  6. GM6389550Courtesy of GENERAL MOTORS COMPANY

    Brake Master Cylinder Adapter (2) - Install NEW

  7. Brake Master Cylinder Adapter Bolt (1) - Install and tighten [2x] - Fastener Specifications 
  8. GM6396042Courtesy of GENERAL MOTORS COMPANY

    Brake Pedal Retainer (1) - Install NEW

  9. GM5527510Courtesy of GENERAL MOTORS COMPANY

    Brake Master Cylinder (1) - Install

  10. GM5168146Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Brake Master Cylinder Bracket Nut (1) - Install and tighten [2x] - Fastener Specifications 

  11. GM5168150Courtesy of GENERAL MOTORS COMPANY

    Brake Master Cylinder Bracket Nut (2) - Install and tighten - Fastener Specifications 

  12. Connect the electrical connector. (1)
  13. Remove the plugs from the brake master cylinder ports and the brake pipes.
  14. GM5168152Courtesy of GENERAL MOTORS COMPANY

    Brake Pipe Fitting (2) - Install and tighten [4x] - Fastener Specifications 

  15. Connect the electrical connector. (1)
  16. GM6383148Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Radiator Surge Tank (2) - Install

  17. Radiator Surge Tank Bolt (1) - Install and tighten - Fastener Specifications
  18. GM6400274Courtesy of GENERAL MOTORS COMPANY

    Turbocharger Outlet Duct Connector (2) - Install

  19. Turbocharger Outlet Duct Rear Clamp (1) - Tighten - Fastener Specifications
  20. GM6405033Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Outlet Duct (4) - Install

  21. Air Cleaner Outlet Duct Nut (3) - Install and tighten - Fastener Specifications
  22. Air Cleaner Outlet Duct Bolt (2) - Install and tighten [2x] - Fastener Specifications
  23. Air Cleaner Outlet Duct Clamp (5) - Tighten - Fastener Specifications
  24. Turbocharger Outlet Duct Front Clamp (1) - Tighten - Fastener Specifications
  25. GM6396380Courtesy of GENERAL MOTORS COMPANY

    Positive Crankcase Ventilation Fresh Air Tube (1) @ Air Cleaner Outlet Duct - Connect - Plastic Collar Quick Connect Fitting Service

  26. GM6382159Courtesy of GENERAL MOTORS COMPANY

    Oil Filler Cap (1) - Remove

  27. GM6382158Courtesy of GENERAL MOTORS COMPANY

    Intake Manifold Cover (1) - Install

  28. Oil Filler Cap - Install
  29. GM6396042Courtesy of GENERAL MOTORS COMPANY

    Brake Pedal Retainer (1) & Brake Pedal (2) @ Power Brake Booster Pushrod - Secure

  30. Connect the battery negative cable. Battery Negative Cable Disconnection and Connection
  31. Perform the necessary programming and setup procedure: Control Module References
  32. Bleed the brake system. Hydraulic Brake System Bleeding (Manual) , or Hydraulic Brake System Bleeding (Pressure) 
  33. Fill the brake master cylinder reservoir to the maximum-full level with GM approved brake fluid from a clean, sealed brake fluid container. Brake Master Cylinder Reservoir Filling 
  34. Check for brake system leaks.