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Home >> Buick >> 2020 >> Envision Premium >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Repair Instructions >> Power Brake Booster Replacement >> Installation Procedure

Installation Procedure

  1. GM3909888Courtesy of GENERAL MOTORS COMPANY

    Power Brake Booster (1) Power Brake Booster Gasket (2) - Install

  2. GM3909887Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    Power Brake Booster Bolt (1) - Tighten 19 N.m (14 lb ft) [2x]

  3. Electronic Brake Control Module with Brake Pressure Modulator Valve Replacement - Install
  4. Brake Master Cylinder Replacement  - Install
  5. GM3909868Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Ensure the power brake booster pushrod is fully seated in the brake pedal retainer.

    Brake Pedal (1) - Connect

  6. GM3909889Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    A small amount of denatured alcohol may be used as a lubricant for assembly.

    Power Brake Booster Vacuum Sensor (1) - Install

  7. Power Brake Booster Vacuum Sensor Electrical Connector - Connect