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Home >> GMC >> 1998 >> Forward Control 6.5 F >> Repair and Diagnosis >> Transmission >> Manual Transmission Clutches >> Bleeding Clutch System

Bleeding Clutch System

NOTE: DO NOT reuse fluid that has been bled from system.
  1. Clean and remove reservoir cap. Top-off reservoir with NEW DOT 3 brake fluid.
  2. Have an assistant depress and hold clutch pedal. Open bleed screw located on left side of transmission to expel air. Close bleed screw and release clutch pedal.
  3. Repeat procedure until all air is out of system. Check and refill reservoir as needed during bleeding. After bleeding, pump clutch pedal several times. If clutch engagement is not satisfactory, repeat bleeding procedure.
  4. If normal bleeding procedure is unsuccessful, perform the following:
    • Remove reservoir cap.
    • Pump pedal very fast for 30 seconds.
    • Stop to allow air to escape.
    • Repeat procedure as necessary.