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Home >> Pontiac >> 2008 >> Torrent Base, AWD >> Repair and Diagnosis >> Brakes >> Anti-Lock Brake System, Traction Control System & Stability Control System >> Repair Instructions >> Automated Bleed Procedure
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Automated Bleed Procedure

    NOTE: The Auto Bleed Procedure may be terminated at any time during the process by pressing the EXIT button. No further Scan Tool prompts pertaining to the Auto Bleed procedure will be given. After exiting the bleed procedure, relieve bleed pressure and disconnect bleed equipment per manufacturers instructions. Failure to properly relieve pressure may result in spilled brake fluid causing damage to components and painted surfaces.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove all 4 tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation .
  3. Inspect the brake system for leaks and visual damage. Refer to Symptoms - Hydraulic Brakes . Repair or replace components as needed.
  4. Lower the vehicle.
  5. Inspect the battery state of charge. Refer to Battery Inspection/Test .
  6. Install a scan tool.
  7. Turn the ignition ON, with the engine OFF.
  8. With the scan tool, establish communications with the ABS system. Select Special Functions. Select Automated Bleed from the Special Functions menu.
  9. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  10. Following the directions given on the scan tool, pressure bleed the base brake system. Refer to Hydraulic Brake System Bleeding (Manual) or Hydraulic Brake System Bleeding (Pressure) .
  11. Follow the scan tool directions until the desired brake pedal height is achieved.
  12. If the bleed procedure is aborted, a malfunction exists. Perform the following steps before resuming the bleed procedure:
  13. When the desired pedal height is achieved, press the brake pedal to inspect for firmness.
  14. Lower the vehicle.
  15. Remove the scan tool.
  16. Install the tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation .
  17. Inspect the brake fluid level. Refer to Master Cylinder Reservoir Filling .
  18. Road test the vehicle while inspecting that the pedal remains high and firm.
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