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Power Brake Booster: Notes

  1. Remove the coolant reservoir. Refer to COOLANT RECOVERY RESERVOIR REPLACEMENT .
  2. Relieve fuel line pressure. Refer to FUEL SYSTEM PRESSURE RELEASE .
  3. Remove Cruise control module and cruise control bracket and set aside. Refer to CRUISE CONTROL MODULE REPLACEMENT .
  4. Remove the left front cross brace. Refer to BRACE REPLACEMENT - FRONT FENDER UPPER DIAGONAL - LEFT .
  5. Remove the powertrain control module (PCM) cover from the air cleaner housing.
  6. Remove the PCM and set aside. It is not necessary to disconnect electrical. Refer to POWERTRAIN CONTROL MODULE .
  7. Remove the air cleaner and the duct. Refer to AIR CLEANER ASSEMBLY .
  8. Remove the fuel lines from the pipes and the vapor line. Refer to FUEL HOSE/PIPES REPLACEMENT - ENGINE COMPARTMENT .
  9. Disconnect the fluid level sensor switch from the brake master cylinder.
  10. Disconnect the brake lines from the master cylinder and remove the master cylinder. Refer to MASTER CYLINDER .
    11. Fig 1: Locating Vacuum Hose From Vacuum Check Valve
    GM177473Courtesy of GENERAL MOTORS CORP.
  11. Remove the vacuum hose from the vacuum check valve. Reposition the vacuum hose.
  12. Unclip the wire harness from the ABS module bracket and disconnect the electrical connector at the ABS module.
  13. Remove the brake lines from the ABS module.
  14. Remove the ABS module and bracket. Refer to BRAKE PRESSURE MODULATOR VALVE (BPMV) REPLACEMENT .
    15. Fig 2: Locating Brake Pedal Assembly Components
    GM180291Courtesy of GENERAL MOTORS CORP.
    NOTE: When disconnecting the pushrod from the brake pedal, the brake pedal must be held stationary or damage to the brake switch may result.
  15. Remove the booster push rod retaining clip and washer (2) from the brake pedal assembly.
  16. Remove the brake booster push rod (2) from the brake pedal (1).
    17. Fig 3: View Of Vacuum Brake Booster Components
    GM180993Courtesy of GENERAL MOTORS CORP.
  17. Remove the brake booster mounting nuts.
  18. Remove the brake booster.
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