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Dorman CM640098 Clutch Master Cylinder
| Brand | Dorman CM640098 |
|---|---|
| Item Grade | Standard Replacement |
| Package Contents | Clutch Master Cylinder |
| Fits | Chevrolet and Pontiac · 9 vehicles |
Direct replacement. Precision-engineered to match the original equipment design.
Standard replacement. A straightforward clutch master cylinder for restoring hydraulic operation.
Cross-references LuK LMC486, PERFECTION 800084 and 136.62039 for the same application. See all 6.
Clutch Master Cylinder for Manual Transmission Service
This Dorman clutch master cylinder is a standard replacement for manual transmission hydraulic systems that need a direct-fit repair. It is precision-engineered to match the original equipment design for specific Chevrolet Cobalt and Pontiac G5 applications, helping restore consistent clutch pedal hydraulic action.
- Standard replacement clutch master cylinder for manual transmission service
- Direct replacement design for OE-style fit and function
- Built for 2005-2010 Chevrolet Cobalt and 2007-2009 Pontiac G5 applications
- Package contents: clutch master cylinder
- Part number CM640098 for catalog and cross-reference use
Application Details
Compatible with 2005-2010 Chevrolet Cobalt and 2007-2009 Pontiac G5 manual transmission setups. This clutch master cylinder is intended for vehicles that need a replacement hydraulic master cylinder to restore clutch system operation. Part number CM640098 is also referenced for these vehicle applications, including Chevrolet Cobalt clutch master cylinder replacement and Pontiac G5 clutch master cylinder replacement searches.
This part cross-references LuK LMC486 for the same application.
Common Problems It Can Address
- Clutch pedal that feels soft or inconsistent
- Hydraulic fluid leakage at the master cylinder
- Difficulty disengaging the clutch
- Reduced clutch pedal response
- Manual transmission shifting issues related to hydraulic pressure loss
Installation Notes and Tips
Verify vehicle year, make, model, and manual transmission configuration before installation. Inspect the clutch hydraulic system for leaks, air in the lines, and worn related components during replacement. After installation, bleed the hydraulic system according to the vehicle service procedure to restore proper pedal feel and clutch engagement.
Quality Assurance
Dorman manufactures this clutch master cylinder as a direct replacement part engineered to match original equipment design for the listed applications. It is a standard replacement component for service and repair use.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2010 | Chevrolet | Cobalt | N/A | — |
| 2009 | Chevrolet | Cobalt | N/A | — |
| 2009 | Pontiac | G5 | N/A | — |
| 2008 | Chevrolet | Cobalt | N/A | — |
| 2008 | Pontiac | G5 | N/A | — |
| 2007 | Chevrolet | Cobalt | N/A | — |
| 2007 | Pontiac | G5 | N/A | — |
| 2006 | Chevrolet | Cobalt | N/A | — |
| 2005 | Chevrolet | Cobalt | N/A | — |
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