The national average cost for clutch master cylinder replacement is $419

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In Ashburn, people who book through CarAdvise save $80 on average for Clutch Master Cylinder Replacement. Lock in this price now.

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National average cost of a Clutch Master Cylinder Replacement
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What is a clutch master cylinder and how does it work?

A clutch master cylinder is a fluid pump used with a hydraulic clutch system in a vehicle with a manual transmission. It works in a similar fashion to a brake master cylinder. When you press on the clutch pedal to disengage your manual transmission so you can shift gears, the clutch master cylinder forces fluid through a tube to a slave cylinder at the other end. Mounted on the transmission, the slave cylinder responds to input from the clutch pedal (by way of the master cylinder) to push on the clutch fork and disengage the clutch. When you release the pedal, the slave cylinder closes, engaging the clutch and forcing fluid back into the master cylinder.

How do I know if my vehicle needs a new clutch master cylinder?

When a clutch master cylinder fails, one or more of the following signs may be evident

The hydraulic fluid level is low

There is fluid leakage or moisture near the clutch master cylinder

The clutch pedal feels spongy

The pedal seems to have little or no effect on the clutch

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How is this service performed

How is a Clutch Master Cylinder Replacement done?

The clutch master cylinder is located near the clutch pedal beneath the dashboard. To replace the component, a technician will need to access that area and may need to remove trim components. Other steps to replacing the clutch master cylinder include the following

  • Using a fluid pump, remove all of the hydraulic fluid from the clutch master cylinder reservoir
  • Disconnect the hydraulic line from the master cylinder
  • Unplug any electrical connections to the master cylinder
  • Detach the master cylinder from the clutch pedal and remove the mounting fasteners
  • Remove the clutch master cylinder from the vehicle
  • Install the new component, reattach all lines and wiring
  • Install fresh fluid and bleed air from the system
  • Test drive your vehicle to verify the repair Note

OTHER QUESTIONS CUSTOMERS ASK

What happens when a clutch master cylinder fails?
When a clutch master cylinder fails, one of several things can occur. The clutch pedal may become abnormally easy or difficult to press. You may have difficulty shifting from neutral into a gear, or difficulty shifting in and out of any gears. The short answer is, you may not be able to shift gears to drive your vehicle at all.
What causes clutch master cylinder failure?
Clutch master cylinder failure is typically caused by moisture buildup inside the master cylinder. Brake fluid naturally attracts water vapor and can lead to corrosion of the master cylinder from the inside out. Corrosion then leads to the piston sticking and/or not sealing properly, which causes leaks and loss of pressure and therefore failure of the clutch master cylinder.
Why does my clutch pedal go all the way to the floor?
If your clutch pedal is going all the way to the floor, you may have a clutch master cylinder that's low on fluid, has blown seals on the piston, or your vehicle may have a leak in the clutch hydraulic line. If, by chance, your vehicle has a mechanical clutch, then the mechanical linkage or clutch cable may be broken or may have come loose.

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