GM Service Manual Online
For 1990-2009 cars only

Hydraulic Clutch Bleeding CTS

Notice: DO NOT use fluid which has been bled from a hydraulic clutch system, in order to fill the clutch master cylinder reservoir, due to the possibility that the fluid may be aerated, have too much moisture content, or be contaminated and may cause system or vehicle damage.

  1. Ensure the reservoir is filled to the fill line with new hydraulic fluid. Add fluid if required from a clean sealed container. Refer to Sealers, Adhesives, and Lubricants for correct hydraulic fluid type.
  2. Stroke the clutch pedal from the up stop to the down stop position at least 15 times.

  3. Object Number: 803169  Size: SH
  4. With the pedal in the down stop position. Open the bleeder valve (1) at the clutch slave cylinder hydraulic hose fitting to release trapped air.
  5. Close the bleeder valve (1) and slowly return the clutch pedal to the up stop position.
  6. Open the bleeder valve (1) and slowly depress the clutch pedal from the up stop to the down stop position until fluid escapes through the bleeder.
  7. Close the bleeder valve (1).
  8. Return the clutch pedal to the up stop position.
  9. Depress the clutch pedal from the up stop to the down stop position.
  10. Open the bleeder valve (1) and allow fluid with air bubbles to escape through the bleeder valve.
  11. Close the bleeder valve (1).
  12. Important: Always make sure that the clutch fluid reservoir remains filled with new clean hydraulic fluid.

  13. Repeat steps 7-10 until fluid without air bubbles escapes through the bleeder valve.

Hydraulic Clutch Bleeding CTS-V

Notice: DO NOT use fluid which has been bled from a hydraulic clutch system, in order to fill the clutch master cylinder reservoir, due to the possibility that the fluid may be aerated, have too much moisture content, or be contaminated and may cause system or vehicle damage.


    Object Number: 1448855  Size: SH
  1. Ensure the reservoir is filled to the fill line with new hydraulic fluid. Add fluid if required from a clean sealed container. Refer to Sealers, Adhesives, and Lubricants for correct hydraulic fluid type.
  2. Stroke the clutch pedal from the up stop to the down position at least 15 times.
  3. With the pedal in the down position, open the bleeder valve (1) at the concentric slave cylinder to release trapped air.
  4. Close the bleeder valve (1) and slowly return the clutch pedal to the up stop position.
  5. Open the bleeder valve (1) and slowly depress the clutch pedal from the up stop to the down position until the fluid escapes through the bleeder.
  6. Close the bleeder valve (1).
  7. Return the clutch pedal to the up stop position.
  8. Depress the clutch pedal from the up stop to the down position.
  9. Open the bleeder valve (1) and allow fluid with air bubbles to escape through the bleeder valve.
  10. Close the bleeder valve (1).
  11. Important: Always make sure that the clutch fluid reservoir remains filled with new clean hydraulic fluid.

  12. Repeat steps 7-10 until the fluid without bubbles escapes through the bleeder valve.