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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 258 (Hydraulic Brakes) >> Repair Instructions >> Brake Master Cylinder Replacement - With Power Brake Booster and Electronic Brake Control Module (with MJK) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
  1. GM5880984Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Install a NEW brake pedal retainer (1) to the brake pedal.

  2. Ensure the locking tabs on the brake pedal retainer are fully engaged in the brake pedal.
  3. Lubricate the brake master cylinder reservoir grommets with GM approved brake fluid from a clean, sealed brake fluid container. Adhesives, Fluids, Lubricants, and Sealers 
  4. GM5883040Courtesy of GENERAL MOTORS COMPANY

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

  5. GM5883039Courtesy of GENERAL MOTORS COMPANY

    Secure the rear of the brake master cylinder reservoir (1) to the brake master cylinder and lower the front until it is fully installed.

    6. CAUTION:

    Refer to Fastener Caution .

  6. Brake Master Cylinder Reservoir Bolt (2) - Install and tighten - Brake Master Cylinder Reservoir Replacement (with MJK) 
  7. GM5493276Courtesy of GENERAL MOTORS COMPANY

    Brake Master Cylinder (1) - Install

  8. GM5896810Courtesy of GENERAL MOTORS COMPANY

    Brake Master Cylinder Nut (1) - Install and tighten [2x] 25 N.m (18 lb ft)

  9. GM5890825Courtesy of GENERAL MOTORS COMPANY

    Engage the brake pedal (1) to the brake master cylinder push rod by pushing inwards.

  10. Ensure the brake pedal retainer is secured by lightly pulling rearward on the brake pedal (1).
  11. Instrument Panel Lower Trim Panel Insulator - Install - Instrument Panel Lower Trim Panel Insulator Replacement - Left Side
  12. GM5488446Courtesy of GENERAL MOTORS COMPANY

    Remove the caps from the 4 brake front pipe inlets.

  13. Front Brake Pipe Nut (2) - Install and tighten [2x] 18 N.m (13 lb ft)
  14. Rear Brake Pipe Nut (1) - Install and tighten [2x] 18 N.m (13 lb ft)
  15. GM5324655Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) @ Brake System Control Module - Connect

  16. GM5491702Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) @ Brake Fluid Level Sensor - Connect

  17. GM5890302Courtesy of GENERAL MOTORS COMPANY

    Remove the cap or plug from the exposed hose and clutch master cylinder fittings.

  18. Install the clutch master cylinder reservoir hose (1) to the master cylinder reservoir.
  19. Front End Sheet Metal Cross Brace - Install - Front End Sheet Metal Cross Brace Replacement (Impact Bar Bracket) , or Front End Sheet Metal Cross Brace Replacement (Plenum with Blackwing)
  20. Connect the battery negative cable. Battery Negative Cable Disconnection and Connection
  21. Perform the necessary programming and setup procedure: Control Module References
  22. Bleed the brake system. Hydraulic Brake System Bleeding (J57, J6H, JL9) , or Hydraulic Brake System Bleeding (J56) 
  23. Check the brake system for leaks.
  24. Check for brake system leaks.
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