How Often Does My Brake Fluid Need a Flush?

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A brake is used to slow down a vehicle to a stop. When the driver steps on the brake pedal, the force is transmitted from the car to the brake calipers and pads through a fluid. The fluid travels to slave cylinders at each wheel and fills them, forcing pistons out to apply the brakes. Brakes transmit force to tires by using friction. Modern vehicle have a hydraulic brake system on all four wheels. There are two types of brakes; disk or drum brakes.

What is brake fluid?

Brake fluid is a type of hydraulic fluid used in brakes and hydraulic clutch applications in automobiles. It is used to transfer force applied to the brake pedal by the driver into pressure exerted on the brake system, and to intensify braking power. Brake fluid is efficient and works because liquids are not appreciably compressible. Additionally brake fluid serves as a lubricant for all removable parts and prevents corrosion, which allows braking systems to function for longer periods of time.

How often should brake fluid be flushed?

Brake fluid should be changed every two years, this prevents brake failure and maintains the boiling point at a safe level. Periodic flushing and refilling is necessary for car maintenance.

Brake fluid needs to be flushed because the brake system is not indestructible. The rubber in the valves in the components of the brake system eventually deteriorates. These sediments end up in the brake fluid, or the fluid itself gets old and worn out. Moisture can invade the brake system, which can lead to rust formation. Eventually, the rust will flake off, into the brake fluid. These flakes or sediments can cause brake fluid to have a brown, sudsy and muddy appearance. If not flushed this causes a brake system to be ineffective and have decreased stopping power.


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Recent Brake System Flush reviews

Excellent Rating


YourMechanic Brake System Flush Service

Average Rating

4.9/5

Number of Reviews

1,955

Rating Summary
1,839
69
13
7
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1,839
69
13
7
27

Pardeep

20 years of experience
715 reviews
Pardeep
20 years of experience
Honda Odyssey - Brake System Flush - San Jose, California
Pardeep was on time, conscientious and fixed multiple issues with my car. He is an expert in his art.
BMW X1 - Brake System Flush - Saratoga, California
Pardeep was friendly, polite, and highly efficient with the job. Provided great information about my car's condition and suggestions but was never pushy. Would not hesitate to call for his help again in the future.

Mazyar

7 years of experience
245 reviews
Mazyar
7 years of experience
Lincoln Navigator - Brake System Flush - Norcross, Georgia
Mark once again followed up his prior visit with another noteworthy service call. He showed up early and went right to work on my vehicle with no delay. As he worked on my vehicle, he showed worn parts, mistakes made by prior mechanic(not related to YourMechanic), and explained everything plainly. Once again, I was thoroughly satisfied with his service and knowledge and will not hesitate to use him again in the future.
BMW 328i - Brake System Flush - Stone Mountain, Georgia
Very polite and knowledgeable. He broke everything down and explained as to why I would need the services and how it would help my car’s performance. Would definitely book again with Mark.

Collins

11 years of experience
197 reviews
Collins
11 years of experience
Kia Optima - Brake System Flush - Atlanta, Georgia
This my second appointment with Collins and I still feel the same about his performance. GREAT Job!!

Miguel

16 years of experience
38 reviews
Miguel
16 years of experience
Pontiac Solstice - Brake System Flush - Berkeley, California
Miguel was great, arrived early and he was done sooner than expected! Will definitely be calling Miguel again.

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