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Home >> Cadillac >> 2019 >> ATS Premium Performance >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Repair Instructions >> Power Brake Booster Pump Replacement >> Removal Procedure

Removal Procedure

  1. Apply the brake pedal several times until the pedal becomes firm to deplete the power vacuum brake booster vacuum reserve.
  2. Intake Manifold Cover Replacement (LF4) , or Intake Manifold Cover Replacement (LGX) - Remove
  3. Air Cleaner Outlet Front Duct Replacement (LF4) - Remove
  4. Disconnect the power brake booster pump electrical connector.
  5. GM4015331Courtesy of GENERAL MOTORS COMPANY

    Power Brake Booster Vacuum Hose Quick Connect (1) @ Vacuum Pump - Disconnect

  6. Vacuum Hose (2) @ Engine Mount - Disconnect
  7. Position aside the power brake booster vacuum hose assembly.
  8. GM4015342Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Radiator hose not shown for clarity.

    Power Brake Booster Pump M6 Bolt (1) - Remove

  9. GM4015420Courtesy of GENERAL MOTORS COMPANY

    Power Brake Booster Pump M12 Bolt (1) - Remove

  10. Power Brake Booster Pump - Remove
  11. GM4015426Courtesy of GENERAL MOTORS COMPANY

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

  12. Power Brake Booster Pump Nut (2) [2x] - Remove
  13. GM4015506Courtesy of GENERAL MOTORS COMPANY

    Power Brake Booster Pump Bracket (1) - Remove

  14. GM4015664Courtesy of GENERAL MOTORS COMPANY

    Power Brake Booster Pump Spacer (1) [2x] - Remove

  15. GM4015742Courtesy of GENERAL MOTORS COMPANY

    Power Brake Booster Pump Insulator (1) [2x] - Remove

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