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Home >> Buick >> 2018 >> Encore Preferred, AWD >> Repair and Diagnosis (Single Page) >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brake System >> Repair Instructions >> Power Brake Booster Vacuum Hose Replacement (LUV) >> Removal Procedure

Removal Procedure

  1. With the engine OFF, apply and release the brake pedal several times to deplete the power vacuum brake booster vacuum reserve.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. GM2772106

    Through the left front wheelhouse, disconnect the power brake booster vacuum hose quick connect (1) from the power brake booster pump port.

  4. Lower the vehicle.
  5. GM2772107

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

  6. Disconnect the power brake booster vacuum sensor electrical connector.
  7. GM2771949

    Remove the power brake booster vacuum sensor and hose assembly (1) from the power vacuum brake booster grommet.

  8. GM2771951

    Release the clamp and remove the power brake booster vacuum sensor (1).

  9. Remove the power brake booster vacuum hose assembly.
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