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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brake System >> Repair Instructions >> Power Brake Booster Pump Replacement (LTG) >> Removal Procedure

Removal Procedure

  1. With the engine OFF, apply and release the brake pedal several times until the brake pedal becomes firm to deplete the power vacuum brake booster vacuum reserve.
  2. Fig 1: Power Brake Booster Vacuum Pipe Quick Connection
    GM2291882Courtesy of GENERAL MOTORS COMPANY
  3. Release the power brake booster vacuum pipe quick connect (1) from the power brake booster pump.
  4. Remove the power brake booster vacuum pipe (2) by releasing the power brake booster vacuum rear pipe quick connect.
  5. Release the power brake booster vacuum pipe from the retainer on the charge air cooler intake pipe.
  6. Position the power brake booster vacuum pipe aside.
  7. Fig 2: Power Brake Booster Pump Bolts
    GM2291886Courtesy of GENERAL MOTORS COMPANY
  8. Remove the power brake booster pump bolts (1) .
  9. Fig 3: Power Brake Booster Pump
    GM2291887Courtesy of GENERAL MOTORS COMPANY
  10. Remove the power brake booster pump (1) .
  11. Inspect the power brake booster pump seal for damage and replace, if necessary.