GM Service Manual Online
For 1990-2009 cars only

Cause

Action

DEFINITION: The clutch pedal requires high effort to operate.

Review the Symptoms - Clutch and perform the necessary inspections.

Incorrect hydraulic fluid

  1. Inspect for the correct fluid in the master cylinder. Refer to Hydraulic Clutch Bleeding.
  2. Replace the clutch master cylinder and clutch actuator cylinder. Refer to Clutch Master Cylinder Replacement and Clutch Actuator Cylinder Replacement.
  3. Flush the hydraulic system and fill with the correct fluid.

Contaminated hydraulic fluid

  1. Inspect the hydraulic fluid for water.
  2. Inspect the hydraulic fluid for dirt or debris.
  3. Flush the hydraulic system and fill with the correct fluid. Refer to Hydraulic Clutch Bleeding.

Clutch pedal binding

  1. Inspect the pedal for binding.
  2. Repair or replace the pedal. Refer to Clutch Assembly Replacement.

Kinked or damaged clutch hydraulic pipe

  1. Inspect for a kinked or damaged hydraulic hose.
  2. Repair or replace the clutch hydraulic hose. Refer to Clutch Master Cylinder Replacement.

Clutch disc worn too thin

Replace the clutch assembly. Refer to Clutch Assembly Replacement.