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Home >> GMC >> 2002 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Repair Instructions >> Vacuum Brake Booster Replacement >> Removal Procedure

Removal Procedure

  1. Apply the park brake and block the wheels.
  2. Remove the brake master cylinder. Refer to Master Cylinder Replacement (Vacuum Boost)  or Master Cylinder Replacement (Hydraulic Boost)  .
  3. Remove the vacuum hose from the brake booster check valve.
  4. Remove the pushrod retaining clip (4) from the brake pedal stud (1).
  5. Remove the stop lamp switch (2) and the pushrod (3) from the brake pedal stud (1).
    Fig 1: Stop Lamp Switch
    G01669053Courtesy of GENERAL MOTORS CORP.
  6. Remove the 4 vacuum booster mounting nuts.
  7. Remove the vacuum booster.
    8. Fig 2: Vacuum Booster
    G01669054Courtesy of GENERAL MOTORS CORP.
  8. Remove the gasket from the booster and discard.
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