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Home >> Cadillac >> 2019 >> XTS Platinum, AWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Repair Instructions >> Power Brake Booster Vacuum Pipe Replacement (LF3) >> Removal Procedure

Removal Procedure

  1. With the engine OFF, apply the brake pedal several times until the brake pedal becomes firm to deplete the power vacuum brake booster vacuum reserve.
  2. GM2754727Courtesy of GENERAL MOTORS COMPANY

    Remove the intake manifold cover (3). Refer to Intake Manifold Cover Replacement (LFX) , or Intake Manifold Cover Replacement (LF3) .

  3. GM3291341Courtesy of GENERAL MOTORS COMPANY

    Disconnect the power brake booster vacuum pipe quick connect (1).

  4. GM3291343Courtesy of GENERAL MOTORS COMPANY

    Release the power brake booster vacuum pipe retainer (1) from the engine bracket.

  5. GM3291346Courtesy of GENERAL MOTORS COMPANY

    Disconnect the power brake booster vacuum pipe quick connect (1) from the intake manifold vacuum port.

  6. Remove the power brake booster vacuum pipe from the vehicle.