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

Removal Procedure

  1. GM3909868Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Pull the brake pedal rearward to disconnect the retainer from the power brake booster pushrod.

    Brake Pedal (1) - Disconnect

  2. Power Brake Booster Vacuum Sensor Electrical Connector - Disconnect
  3. GM3909889Courtesy of GENERAL MOTORS COMPANY

    Power Brake Booster Vacuum Sensor (1) - Remove

  4. Brake Master Cylinder Replacement  - Remove
  5. Electronic Brake Control Module with Brake Pressure Modulator Valve Replacement - Remove
  6. GM3909887Courtesy of GENERAL MOTORS COMPANY

    Power Brake Booster Bolt (1) - Loosen [2x]

  7. GM3909888Courtesy of GENERAL MOTORS COMPANY

    Power Brake Booster (1) - Remove

  8. Power Brake Booster Gasket (2) - Remove
  9. Power Brake Booster Gasket - Inspect for damage