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Installation Procedure

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Bench bleed the master cylinder. Refer to Master Cylinder Bench Bleeding (Non-Hybrid)  or Master Cylinder Bench Bleeding (Two-mode Hybrid) .
    2. Fig 1: Brake Master Cylinder And Master Cylinder Seal
    GM1892241Courtesy of GENERAL MOTORS CORP.
    NOTE: Ensure the brake master cylinder seal is fully seated in the groove on the master cylinder housing.
  2. Install the brake master cylinder seal (1) and the master cylinder to the adapter.
    3. Fig 2: Identifying Master Cylinder Mounting Nuts
    GM1892240Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  3. Install 2 new brake master cylinder nuts (1).

    Tighten:  Tighten the nuts to 33 N.m (24 lb ft).

    4. Fig 3: View Of Master Cylinder Brake Pipes
    GM1892220Courtesy of GENERAL MOTORS CORP.
    NOTE: Install the brake pipes in the same location as noted during removal.
  4. Install the 4 brake master cylinder brake pipe fittings (1).

    Tighten:  Tighten the fitting to 30 N.m (22 lb ft).

    5. Fig 4: View Of Master Cylinder Left Supply Brake Pipe & Fitting
    GM1892202Courtesy of GENERAL MOTORS CORP.
  5. Connect the brake master cylinder left supply brake pipe fitting (1).

    Tighten:  Tighten the fitting to 30 N.m (22 lb ft).

    6. Fig 5: View Of Master Cylinder Primary Brake Pipe & Fitting
    GM1892200Courtesy of GENERAL MOTORS CORP.
  6. Connect the brake master cylinder primary brake pipe fitting (1).

    Tighten:  Tighten the fitting to 30 N.m (22 lb ft).

    7. Fig 6: View Of Brake Master Cylinder Reservoir Return Hose Quick Connect & Supply Hose Quick Connect
    GM1892190Courtesy of GENERAL MOTORS CORP.
  7. Connect the brake master cylinder reservoir return hose quick connect (1).
  8. Connect the brake master cylinder reservoir supply hose quick connect (2).
  9. Connect the brake fluid level sensor electrical connector.
  10. Fill the brake master cylinder reservoir. Refer to Master Cylinder Reservoir Filling (Non-Hybrid)  or Master Cylinder Reservoir Filling (Two-mode Hybrid) .
  11. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding (Manual)  or Hydraulic Brake System Bleeding (Pressure)  or Hydraulic Brake System Bleeding (Two-mode Hybrid) .
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