How Long Does an Anti-Lock Brake (ABS) Fluid Level Sensor Last?

Your ABS system works both by means of electricity and hydraulic pressure. Fluid levels need to be monitored at all times, and that is the job of the ABS fluid level sensor. Located in the master cylinder, the ABS fluid level sensor is constantly working to make sure that the brake fluid is at the proper level. Essentially, it is a switch that sends a message to your car’s computer if the fluid level ever drops below what is safe. Then, the car’s computer responds by turning on your ABS light, and disabling the ABS system. You will still have your regular braking system, but without the ABS, your brakes could lock up if you use them on slippery surfaces, and your stopping distance could be increased.

There is no set point at which your anti-lock brake fluid sensor has to be replaced. Simply stated, you replace it when it fails. Like other electrical components in your car, though, it is vulnerable to damage due to corrosion or wear and tear. The life of the anti-lock brake fluid sensor can also be reduced if you don’t have regular fluid changes.

Signs that your anti-lock brake fluid sensor needs to be replaced include:

  • ABS light is on
  • ABS system is not working

Any problems with your brakes should immediately be checked out by a qualified mechanic if you expect to continue to drive safely. YourMechanic can diagnose any problems with your ABS, and if necessary, replace the anti-lock fluid level sensor.


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Theodore

16 years of experience
1587 reviews
Theodore
16 years of experience
Acura TSX L4-2.4L - Starter - Seattle, Washington
Very helpful and quick. I was very impressed with everything. Thank you!
Honda Accord - Oil Change - Sammamish, Washington
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Whitney

39 years of experience
783 reviews
Whitney
39 years of experience
BMW 325i L6-2.5L - Brake Pads Replacement (Front) - Redwood City, California
Very good!!!
Nissan Xterra - Car AC Repair - San Jose, California
I wish I would have crossed paths with Whitney 20 years ago and saved myself the headaches of dealing with other mechanics. I have taken my car in to be serviced for a broken a/c for years and had given up after being taken advantage of FOUR TIMES! I actually decided I would just live without it but I have a baby now and can't subject her to the heat in my car just because I am am tired of dealing with shady mechanics. When Whitney came out to service my car I already had a prognosis and he was there to do the work that it needed--to fix my air compressor for $550. But he decided he would double check to make sure before he got started, and figured out that my compressor wasn't even broken (as the last mechanic insisted). Turns out it was a slow leak and didn't cost me 1/5th of what I was supposed to be charged. But more than saving me money and more headaches, Whitney put my angst at ease. As a single mom, barely making ends meet, life is hard enough. To have someone in a position to easily be able to taken advantage of me, since I know absolutely nothing about mechanics and NEED to have my car for my baby, he could have easily just changed my compressor, and went about his business with me being none the wiser. But instead he showed some pride in his work and his reputation and did the right thing to help us. I will be a client of his moving forward for all of my car's needs.

Andrew

11 years of experience
841 reviews
Andrew
11 years of experience
Mitsubishi Galant L4-2.4L - Oil Change - Shawnee Mission, Kansas
Service was outstanding!!!
Dodge Ram 3500 - Loud noise is coming from rear brakes - Shawnee Mission, Kansas
I will recommend Andrew to my friends. His work ethic, trustful demeanor and excellent communication skills are what set him apart. I felt very comfortable during our interactions and appreciate his professional advice.

John

20 years of experience
563 reviews
John
20 years of experience
Saturn SL2 L4-1.9L - Anti-Lock Brake (ABS) Fluid Level Sensor - Orlando, Florida
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