Diagnostic Starting Point
WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom. Inspect the clutch master cylinder for the correct fluid level. Inspect the hydraulic clutch lines for dents, kinks or other obvious damage that may affect the clutch system operations. Inspect the clutch system for contamination of dirt, oil, or other substances that may affect the clutch system operations. Inspect for after market parts and PTO set ups. If problem is not readily apparent, diagnose by symptom.