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Home >> Cadillac >> 2019 >> XTS Platinum, AWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Repair Instructions >> Power Brake Booster Pump Inlet 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. Remove the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement (LF3) .
  3. GM2754799Courtesy of GENERAL MOTORS COMPANY

    Remove the air cleaner outlet rear duct (2). Refer to Air Cleaner Outlet Rear Duct Replacement (LF3) .

  4. GM3293139Courtesy of GENERAL MOTORS COMPANY

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

  5. GM3293140Courtesy of GENERAL MOTORS COMPANY

    Disconnect the power brake booster vacuum sensor electrical connector.

  6. Remove the power brake booster vacuum sensor (1) from the power vacuum brake booster.
  7. GM3293142Courtesy of GENERAL MOTORS COMPANY

    Release the power brake booster pump inlet pipe retainer (1) from the dash panel stud.

  8. GM2753516Courtesy of GENERAL MOTORS COMPANY

    Release the power brake booster pump inlet pipe from the retainer (1) on the right front brake pipe.

  9. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  10. Remove the right front wheelhouse front liner. Refer to Front Wheelhouse Front Liner Replacement .
  11. GM3293143Courtesy of GENERAL MOTORS COMPANY

    Release the power brake booster pump inlet pipe clip (1) from the power brake booster pump hose.

  12. GM2753548Courtesy of GENERAL MOTORS COMPANY

    Remove the power brake booster pump splash shield push pins (1).

  13. Remove the power brake booster pump splash shield.
  14. GM2578477Courtesy of GENERAL MOTORS COMPANY

    Release the power brake booster pump inlet pipe retainer (1) from the power brake booster pump bracket.

  15. Disconnect the power brake booster pump inlet pipe quick connect (2).
  16. Remove the power brake booster pump inlet pipe from the vehicle.