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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 250 (Hydraulic Brake System) >> Repair Instructions >> Master Cylinder Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
  1. If installing a new master cylinder, bench bleed the master cylinder. Refer to Master Cylinder Bench Bleeding .
  2. Install the master cylinder.
  3. Fig 1: Master Cylinder Nuts
    GM2816313Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    NOTE:

    Install new master cylinder nuts.

  4. Install new master cylinder nuts (1) and tighten to 23 N.m (17 lb ft).
  5. Fig 2: Brake Pressure Modulator Valve Primary Brake Pipe Fitting
    GM2816311Courtesy of GENERAL MOTORS COMPANY
  6. Connect the brake pressure modulator valve primary brake pipe fitting (1) and tighten to 30 N.m (22 lb ft).
  7. Fig 3: Brake Pressure Modulator Valve Secondary Brake Pipe Fitting
    GM2816310Courtesy of GENERAL MOTORS COMPANY
  8. Connect the brake pressure modulator valve secondary brake pipe fitting (1) and tighten to 30 N.m (22 lb ft).
  9. If equipped, connect the clutch master cylinder feed hose.
  10. Connect the brake fluid level indicator switch electrical connector.
  11. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding (Manual) Hydraulic Brake System Bleeding (Pressure) .