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Home >> Chevrolet >> 2010 >> Traverse LT, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 420 (Hydraulic Brake System) >> Repair Instructions >> Power Brake Booster Auxiliary Pump Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn the ignition switch to the OFF position.
  2. Apply and release the brake pedal several times until the brake pedal becomes firm to deplete the brake booster vacuum reserve.
  3. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
    4. Fig 1: Vacuum Brake Booster Hose Quick-Connect Fitting
    GM2080944Courtesy of GENERAL MOTORS COMPANY
  4. Release the quick connect (2) from the power brake booster auxiliary pump.
  5. Position the vacuum brake booster hose assembly aside.
    6. Fig 2: Power Brake Booster Auxiliary Pump Electrical Connector
    GM2080948Courtesy of GENERAL MOTORS COMPANY
  6. Disconnect the power brake booster auxiliary pump electrical connector.
  7. Release the power brake booster auxiliary pump electrical connector (1) from the bracket.
    8. Fig 3: Power Brake Booster Auxiliary Pump Nuts
    GM2080951Courtesy of GENERAL MOTORS COMPANY
  8. Remove the power brake booster auxiliary pump nuts (1).
  9. Remove the power brake booster auxiliary pump bolts and the pump.
    10. Fig 4: Power Brake Booster Auxiliary Pump Insulators And Sleeves
    GM2080956Courtesy of GENERAL MOTORS COMPANY
  10. If necessary, remove the power brake booster auxiliary pump insulators (1) and sleeves (2).
    11. Fig 5: Power Brake Booster Auxiliary Pump Bracket And Bolts
    GM2080959Courtesy of GENERAL MOTORS COMPANY
  11. If necessary, remove the power brake booster auxiliary pump bracket bolts (1) and bracket (2).
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