Brake Master Cylinder Replacement

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How much does Brake Master Cylinder Replacement cost?

It depends on the type of car you drive and the auto repair shop you go to. Our mechanics are mobile, which means they don't have the overhead that repair shops have. They provide you convenience by coming to your home or office.

Cars Estimate Parts Cost Labor Cost Savings Average Dealer Price
2010 Chevrolet Camaro $236 $145.38 $91.00 17% $285.13
2007 Chevrolet Express 3500 $191 $120.68 $70.00 16% $228.18
2004 Kia Amanti $282 $211.68 $70.00 11% $319.18
2006 Aston Martin DB9 $240 $149.50 $91.00 16% $289.25
2012 Chevrolet Silverado 1500 $312 $220.78 $91.00 13% $360.53
2009 Hyundai Sonata $215 $145.38 $70.00 14% $252.88
2007 Buick Allure $215 $103.42 $112.00 21% $275.42
2003 Lexus SC430 $1761 $1515.96 $245.00 6% $1892.21
2004 Mercedes-Benz E320 $1702 $1561.98 $140.00 4% $1776.98
2009 BMW X5 $751 $568.97 $182.00 11% $848.47
2012 Acura RL $326 $214.28 $112.00 15% $386.28
2009 Mercedes-Benz SLK300 $403 $304.75 $98.00 11% $455.25
2010 Mercedes-Benz ML350 $364 $272.68 $91.00 11% $412.43
2005 Jaguar XJR $774 $599.34 $175.00 10% $868.09
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Brake Master Cylinder Replacement Service

Brake Master Cylinder Replacement
Brake Master Cylinder Replacement

What is the purpose of a brake master cylinder in a car?

The brake master cylinder contains brake fluid and is connected to the brakes through the brake pipes and hoses. When you step on the brake pedal, brake fluid flows from the master cylinder to the braking unit at each wheel, creating enough friction to slow down and/or stop the car. The brake master cylinder has internal and external seals that can wear out over time.

If the external seals have worn out, they will leak brake fluid, reducing the amount of fluid in the car and causing the brakes to malfunction. Worn external seals can also leak the fluid into the brake booster and destroy it. The brake booster is essential for the proper functioning of the brakes, so if brake fluid has leaked into it, replacement is required.

If the internal seals have worn out, the brake fluid will continue to circulate inside, instead of being directed to the brakes. This weakens brake performance. The brake pedal will feel soft. When you apply the brakes, the pedal will go all the way to the floor without significantly slowing down or stopping the car.

After replacing the brake master cylinder, the mechanic should flush the old brake fluid out and replace it with new brake fluid.

Master Cylinder

Considerations when replacing a master cylinder:

  • A leaking brake master cylinder can sometimes result in a broken brake booster; in this case, both elements will need to be replaced.
  • Brake systems are extremely sensitive to debris, so they need to be cleaned thoroughly before and during the replacement of a master cylinder.
  • The air will need to be bled out of the system before the new master cylinder is installed.

How to replace a brake master cylinder:

  • Inspect brake master cylinder for leaks.
  • Inspect brake booster.
  • Remove the brake master cylinder if faulty.
  • Replace with new brake master cylinder if faulty.
  • Change the brake fluid.
  • Bleed entire brake system of air.
  • Clean brake fluids from all the wheels.
  • Perform brake safety inspection.

Our advice:

Your mechanic should check the amount of brake fluid every time the car is serviced. If you feel a change in the way your brake pedal feels (a softer pedal), you should have a mechanic inspect the master cylinder and brake hoses. In most cars, the brake warning light should come on when the amount of brake fluid is lower than the manufacturer’s recommended amount.

What common symptoms indicate you may need to replace the Brake Master Cylinder?

  • Brake warning light is on.
  • Brake fluid leak (clear fluid on the ground or under the brake pedal inside the car.)
  • Soft brake pedal (pedal goes all the way to the floor when pushed).

Do you need to replace a brake master cylinder?

All services associated with proper function of your brakes are important. In addition to safety issues, ignoring small repairs can quickly lead to more serious (and more expensive) problems.

Fast and easy Brake Master Cylinder Replacement service at your home or office.

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Recent Brake Master Cylinder Replacement reviews

Excellent Rating


YourMechanic Brake Master Cylinder Replacement Service

Average Rating

4.4/5

Number of Reviews

176

Rating Summary
163
5
0
1
7
163
5
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1
7

Michael

10 years of experience
7 reviews
Michael
10 years of experience
Great mechanic. He walked me through everything that needed to be done for my car before doing it, and made sure everything was completed even in bad weather. I'd recommend him to anyone who needs auto repair, or even just wants to know what's going on with their car.
2003 FORD TAURUS - BRAKE MASTER CYLINDER - MORRISTOWN, NEW JERSEY

Lucas

13 years of experience
555 reviews
Lucas
13 years of experience
Great guy, super helpful. Explained everything the whole time and gave me a few pointer for work I’ll need done soon!
1989 FORD BRONCO - BRAKE MASTER CYLINDER - LOS ANGELES, CALIFORNIA

Chris

14 years of experience
62 reviews
Chris
14 years of experience
Chris is an extreamly good mechanic and a very good person too. I am very happy with the job (master cylinder replacement and bleeding of air in brake line) he had done on my CR-V. Chris is very sincere and honest in his work and really appreciate it.
2009 HONDA CR-V - BRAKE MASTER CYLINDER - SUGAR LAND, TEXAS

How can we help?

Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST.

1-800-701-6230 · hi@yourmechanic.com