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Home >> GMC >> 2003 >> Envoy RWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Disc Brakes & Drum Brakes >> Removal & Installation >> Power Brake Booster >> Removal

Power Brake Booster: Removal

  1. Apply the parking brake.
  2. Remove the master cylinder. See MASTER CYLINDER  .
  3. Disconnect the vacuum hose from the vacuum booster and from the engine.
  4. Remove the left closeout/insulator panel.
  5. Remove the pushrod retainer (3) from the brake pedal pin (4). See Figure .
  6. Remove the stoplight switch (1) and the pushrod (2) from the brake pedal pin (4). See Figure .
  7. Remove the vacuum booster mounting nuts.
  8. Remove the vacuum booster assembly.
  9. Remove the gasket.
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