Dorman CM640098 Clutch Master Cylinder

Reliable Clutch Master Cylinder for Chevrolet Cobalt and Pontiac G5

The Dorman CM640098 clutch master cylinder is a standard replacement part designed specifically for manual transmission systems in Chevrolet Cobalt and Pontiac G5 models. Engineered to restore proper clutch function, this component ensures smooth and consistent pedal operation.

Key Features of the Dorman CM640098 Clutch Master Cylinder

• Standard replacement grade for dependable performance
• Includes clutch master cylinder unit in package
• Compatible with Chevrolet Cobalt and Pontiac G5 manual transmissions
• Direct fit part number CM640098 for easy installation
• Manufactured by Dorman, a trusted name in automotive components

Detailed Description of the Clutch Master Cylinder

This clutch master cylinder is designed to replace the original equipment on select Chevrolet Cobalt and Pontiac G5 vehicles equipped with manual transmissions. As a critical hydraulic component, it transfers the force from the clutch pedal to the clutch slave cylinder, enabling smooth gear shifts. The Dorman CM640098 is built to meet OEM specifications, providing consistent hydraulic pressure and reliable operation over time. Its standard replacement grade ensures it meets the necessary durability and performance requirements without unnecessary complexity.

Common Issues Addressed by This Clutch Master Cylinder

• Difficulty in disengaging the clutch pedal
• Spongy or soft clutch pedal feel
• Hydraulic fluid leaks from the master cylinder
• Inconsistent clutch engagement or slipping
• Clutch pedal sticking or failing to return properly

Installation Notes and Tips

When installing the Dorman CM640098 clutch master cylinder, ensure the hydraulic system is properly bled to remove air pockets for optimal clutch performance. Verify compatibility with your Chevrolet Cobalt or Pontiac G5 model year and transmission type before installation. Use appropriate tools to avoid damage to the cylinder or surrounding components. It is recommended to inspect the clutch slave cylinder and related hydraulic lines during replacement to maintain system integrity.

Quality Assurance and Warranty Information

Dorman provides this clutch master cylinder as a standard replacement part, manufactured to meet or exceed OEM standards. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship. This ensures that the CM640098 part maintains reliable operation when installed according to manufacturer guidelines.