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Brake Master Cylinder Replacement Service & Cost by Ergys Jancaj

Master Cylinder
Master Cylinder

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.

Car Labor Cost Parts Cost Dealer Price YourMechanic Savings
1995 Lexus GS300 $139.75 $320.62 $437.62 - $483.12 $393 14%
1996 Nissan Sentra $118.25 $121.72 $220.72 - $259.22 $195 18%
2001 Mercedes-Benz CLK320 $139.75 $281.54 $398.54 - $444.04 $317 24%
1998 Suzuki Swift $118.25 $176.32 $275.32 - $313.82 $245 16%
2005 Chrysler Town & Country $139.75 $198.42 $315.42 - $360.92 $281 17%
1996 Infiniti J30 $139.75 $269.92 $386.92 - $432.42 $347 15%
2007 Suzuki Reno $118.25 $302.92 $401.92 - $440.42 $309 26%
2004 Cadillac CTS $172.00 $142.52 $286.52 - $342.52 $252 20%
2003 Cadillac DeVille $139.75 $130.82 $247.82 - $293.32 $218 19%
2004 Dodge Grand Caravan $139.75 $198.42 $315.42 - $360.92 $281 17%

What is a Brake Master Cylinder all about?

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, your mechanic should flush the old brake fluid out and replace it with new brake fluid.

How it's done:

  • Inspect brake master cylinder for leaks.
  • Inspect brake booster.
  • Remove and replace the 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 recommendation:

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 (softer pedals), 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).

How important is this service?

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.

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