Dorman CM640226 Clutch Master Cylinder

Overview of Dorman Clutch Master Cylinder CM640226

The Dorman Clutch Master Cylinder CM640226 is designed specifically for Subaru Legacy and Outback models, providing reliable manual transmission performance. Crafted from durable aluminum, this clutch master cylinder ensures consistent clutch engagement and smooth operation.

• Constructed from corrosion-resistant aluminum material
• Includes a single remote reservoir for fluid storage
• Standard replacement grade for dependable function
• 0.625 inch bore diameter for precise hydraulic pressure
• Single outlet with M10-1.0 thread size for secure connection
• Grey finish with piston-type cylinder design
• Comes with one clutch master cylinder per package
• Compatible with Subaru Legacy and Outback models

Detailed Product Description

The Dorman CM640226 clutch master cylinder is engineered to meet the specifications required by Subaru Legacy and Outback vehicles equipped with manual transmissions. Its aluminum construction offers strength and resistance to wear, while the piston-type cylinder design ensures smooth hydraulic pressure transfer. The included single remote reservoir simplifies fluid management and maintenance. With a bore diameter of 0.625 inches and a single outlet featuring an M10-1.0 thread size, this component integrates seamlessly into the clutch hydraulic system. The grey finish provides corrosion resistance and a clean appearance under the hood.

Common Applications and Problem Resolution

This clutch master cylinder is used to transfer hydraulic pressure from the clutch pedal to the clutch slave cylinder, enabling gear shifts in manual transmission Subaru Legacy and Outback models. It addresses several common issues, including:

• Clutch pedal sponginess or lack of resistance
• Hydraulic fluid leaks from the master cylinder or reservoir
• Difficulty in disengaging the clutch during gear changes
• Reduced clutch responsiveness or delayed engagement
• Contaminated or degraded clutch fluid affecting performance

Installation Notes and Tips

When installing the Dorman CM640226 clutch master cylinder, ensure the hydraulic system is properly bled to remove air pockets, as this unit is not pre-bled or pre-filled. Verify compatibility with your specific Subaru Legacy or Outback model year before installation. Use appropriate tools to avoid damaging the M10-1.0 outlet threads and securely connect the hydraulic lines. Inspect the reservoir for proper mounting and fluid level after installation.

Quality Assurance and Warranty

Dorman provides this clutch master cylinder as a standard replacement part, manufactured to meet OEM specifications for fit and function. The aluminum construction and piston-type design contribute to long-term durability. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship to ensure customer confidence in product reliability.