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Home >> Cadillac >> 2020 >> CT6 V >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Repair Instructions >> Power Brake Booster Vacuum Hose Replacement >> Removal Procedure

Removal Procedure

  1. Place the ignition switch in the OFF position.
  2. Apply and release the brake pedal several times until the brake pedal becomes firm to deplete the power brake booster vacuum reserve.
  3. Air Inlet Grille Panel - Remove - Air Inlet Grille Panel Replacement
  4. GM4249209Courtesy of GENERAL MOTORS COMPANY

    Disconnect the power vacuum brake booster vacuum sensor electrical connector.

  5. Remove the power vacuum brake booster vacuum sensor (1).
  6. GM4249225Courtesy of GENERAL MOTORS COMPANY

    Clamp(1)@Power Brake Booster Vacuum Hose (2) - Release

  7. Power Brake Booster Vacuum Hose @ Power Brake Booster - Remove
  8. GM4251595Courtesy of GENERAL MOTORS COMPANY

    Power Brake Booster Vacuum Hose Pass Through Grommet (1) - Release

  9. Warm Up Three-Way Catalytic Converter - Left Side - Remove - Warm Up Three-Way Catalytic Converter Replacement - Left Side (LGX)Warm Up Three-Way Catalytic Converter Replacement - Left Side (LTA)
  10. GM4251602Courtesy of GENERAL MOTORS COMPANY

    Power Brake Booster Vacuum Hose Quick Connect Fitting (1) @ Vacuum Pipe - Release

  11. Power Brake Booster Vacuum Hose @ Vacuum Pipe - Remove