Corvette 1997-2005

Bleeding the ABS System

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  1. Raise the vehicle on a suitable support.
  2.  
  3. Remove all four tire and wheel assemblies.
  4.  
  5. Inspect the brake system for leaks and visual damage.
  6.  
  7. Inspect the battery state of charge.
  8.  
  9. Install a scan tool.
  10.  
  11. Turn ON the ignition, with the engine OFF.
  12.  
  13. With the scan tool, establish communications with the electronic brake control module (EBCM). Select Special Functions. Select Automated Bleed from the Special Functions menu.
  14.  
  15. Bleed the base brake system.
  16.  
  17. Follow the scan tool directions until the desired brake pedal height is achieved.
  18.  
  19. If the bleed procedure is aborted, a malfunction exists. Perform the following steps before resuming the bleed procedure:
    1. If a DTC is detected, check for the cause and repair as necessary.
    2.  
    3. If the brake pedal feels spongy, perform the conventional brake bleed procedure again.
    4.  

  20.  
  21. When the desired pedal height is achieved, press the brake pedal in order to inspect for firmness.
  22.  
  23. Remove the scan tool.
  24.  
  25. Install the tire and wheel assemblies.
  26.  
  27. Inspect the brake fluid level.
  28.  
  29. Road test the vehicle while inspecting that the pedal remains high and firm.
  30.  

  1. Raise the vehicle on a suitable support.
  2.  
  3. Remove all four tire and wheel assemblies.
  4.  
  5. Inspect the brake system for leaks and visual damage.
  6.  
  7. Inspect the battery state of charge.
  8.  
  9. Install a scan tool.
  10.  
  11. Turn ON the ignition, with the engine OFF.
  12.  
  13. With the scan tool, establish communications with the electronic brake control module (EBCM). Select Special Functions. Select Automated Bleed from the Special Functions menu.
  14.  
  15. Bleed the base brake system.
  16.  
  17. Follow the scan tool directions until the desired brake pedal height is achieved.
  18.  
  19. If the bleed procedure is aborted, a malfunction exists. Perform the following steps before resuming the bleed procedure:
    1. If a DTC is detected, check for the cause and repair as necessary.
    2.  
    3. If the brake pedal feels spongy, perform the conventional brake bleed procedure again.
    4.  

  20.  
  21. When the desired pedal height is achieved, press the brake pedal in order to inspect for firmness.
  22.  
  23. Remove the scan tool.
  24.  
  25. Install the tire and wheel assemblies.
  26.  
  27. Inspect the brake fluid level.
  28.  
  29. Road test the vehicle while inspecting that the pedal remains high and firm.
  30.  

 
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