GM Service Manual Online
For 1990-2009 cars only

Cause

Action

DEFINITION: The clutch pedal may feel spongy, or it requires very little effort to operate. The clutch pedal may temporarily hang up at the bottom of travel.

Review Symptoms - Clutch and perform the necessary inspections.

Air in the hydraulic system

Bleed the clutch hydraulic system. Refer to Hydraulic Clutch Bleeding .

Contaminated hydraulic fluid

  1. Inspect the clutch hydraulic fluid for contamination of water.
  2. Inspect the reservoir cap for being faulty if water is present.
  3. Inspect the clutch hydraulic fluid for dirt or debris.
  4. Flush and bleed the clutch hydraulic system if the above conditions are found. Refer to Hydraulic Clutch Bleeding .

Master cylinder fluid level low

  1. Inspect for leakage in the clutch master cylinder, hose connections, and the clutch actuator.
  2. Repair or replace any faulty components.

Incomplete pedal return

  1. Inspect the pedal for full return.
  2. Clear any obstacles that may interfere with the pedal operation.
  3. Replace the clutch pedal return spring, if equipped. Refer to Clutch Pedal Replacement .
  4. Adjust the clutch pedal position switch. Refer to Clutch Pedal Position Sensor Replacement .

Clutch incorrectly installed

Remove the clutch and install it correctly. Refer to Clutch Assembly Replacement .

Clutch mounting bolts loose or broken

  1. Remove the broken bolts.
  2. Replace the broken or loose bolts, and tighten. Refer to Clutch Assembly Replacement .

Clutch pressure plate not adjusted

Adjust the clutch pressure plate. Refer to Clutch Pressure Plate Adjustment .

Release bearing worn or damaged

Replace the release bearing. Refer to Release Bearing Replacement .