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Home >> Saturn >> 2006 >> Vue Red Line, AWD >> Repair and Diagnosis (Single Page) >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Repair Instructions >> Vacuum Brake Booster Replacement >> Removal Procedure

Removal Procedure

    Fig 1: Removing/Installing Vacuum Booster Check Valve & Hose Assembly
    GM926611Courtesy of GENERAL MOTORS CORP.
  1. Disconnect and remove the battery. Refer to Battery Replacement in Engine Electrical.
  2. Remove and position aside the underhood electrical center. Refer to Underhood Electrical Center or Junction Block Replacement . in Wiring Systems.
  3. Remove the battery tray. Refer to Battery Tray Replacement (L61) or Battery Tray Replacement (L66) in Engine Electrical.
  4. Disconnect the coolant surge hose from the surge tank and position aside.
  5. Remove the master cylinder mounting nuts. Do NOT disconnect the brake pipes from the master cylinder.
  6. Carefully pull the master cylinder away from the vacuum booster and position aside.
  7. Disconnect the vacuum booster check valve and hose assembly from the booster. Refer to Vacuum Brake Booster Check Valve and/or Hose Replacement .
    8. Fig 2: Removing/Installing Transaxle Control Module (TCM)
    GM931336Courtesy of GENERAL MOTORS CORP.
  8. Remove the transaxle control module (TCM) and position over engine.
  9. Remove the brake modulator assembly, if equipped. Refer to Brake Modulator Assembly Replacement in Antilock Brake System.
    10. Fig 3: Removing/Installing Brake Modulator Valve Bracket
    GM931345Courtesy of GENERAL MOTORS CORP.
  10. Remove the brake modulator valve bracket, if equipped. Refer to Brake Pressure Modulator Valve (BPMV) Bracket Replacement in Antilock Brake System.
    11. Fig 4: Removing/Installing Pushrod, Washer & Retaining Clip To Brake Pedal
    GM926065Courtesy of GENERAL MOTORS CORP.
  11. Remove the brake booster push rod-to-brake pedal retaining clip.
  12. Remove the foam washer from the brake pedal assembly.
    13. Fig 5: Removing/Installing Brake Pedal Assembly
    GM925895Courtesy of GENERAL MOTORS CORP.
  13. Remove the brake booster mounting nuts.
    14. IMPORTANT: Ensure that the foam insulator on the mounting surface of the brake booster withdraws with the booster.
  14. Disengage the brake booster from the front of dash and the brake pedal bracket. Maneuver the booster toward the center of the vehicle in order to ease removal.
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