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

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YourMechanic Brake System Flush Service

Average Rating

4.9/5

Number of Reviews

1,734

Rating Summary
1,627
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1,627
64
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Alex

18 years of experience
40 reviews
Alex
18 years of experience
Volkswagen Passat - Brake System Flush - Romeoville, Illinois
Very friendly, experienced and knowledgeable mechanic! He did a wonderful job in clearly communicating and working on my vehicle and I look forward to using his services again in the near future! Nice work!
Mazda 3 - Brake System Flush - Romeoville, Illinois
Alex took care of the brake fluid replacement job in no time. I would recommend his service again. Painless process in booking, and payment. Nothing like getting your car serviced while at home.

Chris

19 years of experience
8 reviews
Chris
19 years of experience
Jeep Grand Cherokee - Brake System Flush - Lithonia, Georgia
Chris was very timely, professional, and explains things well. 100 percent satisfied with the work he performed.

Nikolay

18 years of experience
16 reviews
Nikolay
18 years of experience
Honda Pilot - Brake System Flush - Carlsbad, California
Nikolay just finished a full brake job on my 2011 Honda Pilot. He did an amazing job. Highly recommend him for any of your car repair needs!

Patrick

31 years of experience
1051 reviews
Patrick
31 years of experience
Chevrolet Malibu - Brake System Flush - San Marcos, Texas
Patrick is very professional. completed all the work needed, didn't push to have extra done and worked with me not being able to be there. He is My Mechanic!!

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