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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1322 (Hydraulic Brake System) >> Repair Instructions >> Brake Master Cylinder Adapter Replacement >> Installation Procedure

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.
    Fig 1: View Of Brake Master Cylinder Adapter
    GM1966263Courtesy of GENERAL MOTORS CORP.
  1. Install the master cylinder adapter gasket, if removed.
  2. Install the brake master cylinder adapter (1).
    3. Fig 2: Identifying 4 Brake Pedal Bracket Nuts
    GM1892257Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  3. Install the 4 brake pedal bracket nuts (1) and tighten to 25 N.m (18 lb ft).
    4. Fig 3: Identifying Stoplamp (Brake Light) Switch
    GM1892252Courtesy of GENERAL MOTORS CORP.
  4. Connect the brake pedal pushrod while simultaneously installing the stoplamp switch (1).
    5. Fig 4: Identifying Brake Pushrod Retainer
    GM1892250Courtesy of GENERAL MOTORS CORP.
  5. Install the brake pushrod retainer (1).

    Rotate the brake pushrod retainer 360 degrees to ensure the retainer is fully engaged in the brake pedal pushrod pivot pin groove.

    6. Fig 5: Identifying Brake Pushrod Retainer Bolt
    GM1892248Courtesy of GENERAL MOTORS CORP.
  6. Install the brake pushrod retainer bolt (1), if equipped and tighten to 10 N.m (89 lb in).
    7. Fig 6: View Of Brake Master Cylinder & Master Cylinder Seal
    GM1892241Courtesy of GENERAL MOTORS CORP.
  7. Connect the BMC primary piston position sensor electrical connector.
  8. Install the master cylinder seal (1), if removed.

    Ensure the brake master cylinder seal is fully seated in the groove on the master cylinder housing.

    9. Fig 7: Identifying Master Cylinder
    GM1966261Courtesy of GENERAL MOTORS CORP.
  9. Position the master cylinder (1) to the master cylinder adapter.
    10. Fig 8: Identifying Master Cylinder Nuts
    GM1966259Courtesy of GENERAL MOTORS CORP.
  10. Install 2 new master cylinder nuts (1) and tighten to 33 N.m (24 lb ft).
  11. Inspect the battery state of charge. Refer to Battery Inspection/Test .
  12. If necessary, connect a battery charger to the 12V battery. Refer to Battery Charging .
  13. Install a scan tool to the vehicle.
    14. NOTE: The ignition switch must remain in the ON position with the engine OFF during this procedure.
  14. Turn the ignition ON with the engine OFF.
  15. Using the scan tool, perform the following steps:
    1. Select Diagnostics
    2. Select the appropriate vehicle information
    3. Select Chassis
    4. Select Electronic Brake Control Module (EBCM)
    5. Select Module Setup
    6. Select BMC Primary Piston Position Relearn and follow the instructions on the scan tool
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