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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 281 (Manual Transmission Clutch) >> Repair Instructions >> Hydraulic Clutch System Bleeding >> Method 1 - Using the Bleeder Valve

Method 1 - Using the Bleeder Valve

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the valve cap from the bleeder valve.
  2. Fig 1: Hose To Bleeder Valve
    GM4154087Courtesy of GENERAL MOTORS COMPANY
  3. Temporally install a hose to the bleeder valve (1) to drain the brake fluid into a suitable container.
  4. Fill brake fluid reservoir up to "MAX" marking. Adhesives, Fluids, Lubricants, and Sealers 
  5. NOTE:

    The clutch pedal may need to be stroked by hand due to the over center spring not returning the clutch pedal to the up position.

  6. Pump the clutch pedal 5-7 times, then press and hold clutch pedal.
  7. Open bleeder valve until air or air/brake fluid mixture flows through the hose into the container.
  8. Slowly close the bleeder valve.
  9. Release the clutch pedal slowly.
  10. Wait approximately 5 seconds.
  11. Repeat this bleeding process until a steady flow of fluid comes out each time, then repeat 3 more times.
  12. Tighten bleeder valve.
  13. Push valve cap onto bleeder valve to protect the bleeder valve.
  14. Ensure fluid is still at the full mark, add fluid if necessary. Adhesives, Fluids, Lubricants, and Sealers 
  15. Pump the brake pedal to ensure there is no air in the braking system.
  16. If a NEW transmission has been installed, check the transmission fluid level. Transmission Fluid Level Inspection (MG9)Transmission Fluid Level Inspection (M3L)
  17. Check shifting for ease of movement with vehicle stationary, with engine running and with clutch disengaged.
  18. Road test the vehicle to ensure proper operation. Undertake road test using varying RPM ranges and frequent gear changes, bring vehicle to operating temperature during this process. Ensure the brake and clutch system is operating correctly.