Symptoms of a Bad or Failing Clutch Master Cylinder

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Cost of Replacing a Bad or Failing Clutch Master Cylinder

Common signs include low or dirty fluid, difficulty shifting, and abnormal pedal behavior. Our certified technicians can come to you and diagnose the problem. You will receive a $30 credit towards any follow-up repairs that result from the diagnostic. Following are example prices for Clutch Master Cylinder & Slave Cylinder Replacement. Click on the button below to get an upfront quote for your car.

Cars Estimate Parts Cost Labor Cost Savings Average Dealer Price
2005 GMC Safari $167 $89.71 $77.00 19% $207.96
2010 Saturn Sky $162 $91.85 $70.00 18% $199.35
2013 Buick Enclave $305 $178.86 $126.00 18% $372.36
2009 BMW 335i $251 $166.57 $84.00 15% $295.57
2006 Lincoln Town Car $240 $148.51 $91.00 16% $288.26
2005 Mercedes-Benz SLK55 AMG $244 $124.97 $119.00 20% $307.72
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How to Diagnose a Bad or Failing Clutch Master Cylinder?

clutch master cylinder

A clutch master cylinder is a component found on vehicles equipped with manual transmission, and serves as the pump for the hydraulically operated clutch system. When the clutch pedal is pressed, the clutch master cylinder pushes fluid through the system down to the clutch slave cylinder so that it may disengage the clutch. As they are hydraulic in nature, clutch master cylinders are often prone to issues with leaks that will interfere with its ability to displace fluid. When the clutch master cylinder has problems, it can lead to issues with the clutch pedal and shifting gears. Usually a bad or failing clutch master cylinder will produce a few symptoms that can notify the driver that a potential problem has occurred and should be serviced.

1. Low or dirty clutch fluid

One of the first symptoms commonly associated with a potential problem with the clutch master cylinder is low or dirty fluid in the reservoir. Dirty fluid can be caused by the seals inside the master cylinder breaking down due to wear and old age and contaminating the fluid. Aging seals are also increasingly prone to leaks as time goes on. Low fluid may be a symptom of a potential leak somewhere in the system, either at the clutch master or perhaps slave cylinder.

2. Hard to shift

Another symptom commonly associated with a bad or failing clutch master cylinder is difficulty shifting. The clutch master cylinder is hydraulic in nature and is therefore prone to internal leaks that can interfere with it’s ability to properly displaced fluid. If the master cylinder is not able to properly create pressure, it will not be able to disengage the clutch properly when the pedal is pressed. This may lead to grinding the gears when shifting, and possibly even a transmission that pops out of gear.

3. Abnormal clutch pedal behavior

Abnormal pedal pressure is another symptom of a potential problem with a bad or failing master cylinder. If the cylinder develops any internal issues, it will directly affect the feel of the pedal. A leaky cylinder may cause the pedal to feel mushy or spongy, and in more severe cases, will lead to a pedal that will sink to the floor and stay there when depressed.

The clutch master cylinder is an important component and if it develops any problems, they can quickly lead to issues that affect the overall drivability of the vehicle. If your vehicle is displaying any of the symptoms above, or you suspect that your master cylinder may be having a problem, have the vehicle inspected by a professional technician, such as one from YourMechanic, to determine if the car will need a replacement clutch master cylinder.

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Recent Clutch Master Cylinder & Slave Cylinder Replacement reviews

Excellent Rating


YourMechanic Clutch Master Cylinder & Slave Cylinder Replacement Service

Average Rating

4.6/5

Number of Reviews

108

Rating Summary
102
4
1
1
0
102
4
1
1
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Daniel

18 years of experience
73 reviews
Daniel
18 years of experience
Daniel was early and finished promptly, did a great job in this awful heat to boot and didn’t try to up charge me! I will definitely request him again.
2009 TOYOTA COROLLA - CLUTCH MASTER CYLINDER - HOUSTON, TEXAS

James

28 years of experience
336 reviews
James
28 years of experience
His many years of experience shows in his professionalism, on time delivery, organized workspace and overall automotive knowledge. The one to call to get it done right the first time. Highly recommended.
2005 HONDA S2000 - CLUTCH MASTER CYLINDER - FULLERTON, CALIFORNIA

Jeffrey

24 years of experience
624 reviews
Jeffrey
24 years of experience
Jeffrey was great to work with! I will be requesting him every time if possible. He sure knows his stuff and although changing my master cylinder was challenging it was no match for Jeffrey!
2010 SCION XB - CLUTCH MASTER CYLINDER - INDIAN TRAIL, NORTH CAROLINA

Craig

15 years of experience
39 reviews
Craig
15 years of experience
Diagnosed problem and fixed it, at fair price. Very courteous and professional. Look forward to hiring Craig for future maintenance/repairs.
2004 TOYOTA TACOMA - CLUTCH MASTER CYLINDER - SAN DIEGO, CALIFORNIA

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