How Long Does a Power Brake Booster Last?

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When you press the brake pedal, your car slows down and eventually stops. Most of us put little more thought into it. We know that our brake pads need to be replaced periodically, and we’ll probably need to have our rotors resurfaced at some point, but we put little additional thought into how the system works. Your brakes are actually a very complex system that requires a number of different parts to work correctly.

Your car’s power brake booster does pretty much what the name implies. It sits at the back of the master cylinder and is responsible for boosting the power from the pedal. It actually makes it easier to stop your car by reducing the amount of pressure needed to work the brakes. If you’ve ever driving a car without a power braking system, you know just how hard it can be to slow down and stop.

Your power brake booster is in use any and every time you put your foot on the brake pedal. That means it sees a lot of use. Over time, it’s exposed to wear and tear, as well as threats from other sources – leaking brake fluid from a failing master cylinder, for instance. Brake fluid is caustic, and it will eventually break down the seals that allow the brake booster to work.

If your brake booster fails, you will still have normal stopping capabilities, but it will be much harder to work the brake pedal. Slowing down and stopping will require more time and longer distances. It’s definitely not a safe situation to be in, so it’s important that you know a few signs to watch for that indicate your brake power booster is beginning to fail. These include:

  • Brake pedal is very hard/stiff
  • Your car has less stopping power
  • Pressing the brake pedal creates a hissing noise
  • Brake pedal does not return from the depressed position

Note that a failing or failed power brake booster will not make your brake pedal soft or mushy. That actually indicates low brake fluid, a failed master cylinder or another problem with the braking system. If you suspect your power brake booster is on its last legs, a certified mechanic can diagnose and fix the power brake booster to help get you safely back on the road.


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Recent Brake Pad Replacement reviews

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YourMechanic Brake Pad Replacement Service

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Number of Reviews

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Rating Summary
11,399
340
70
35
90
11,399
340
70
35
90

Robert

11 years of experience
62 reviews
Robert
11 years of experience
Infiniti FX35 - Brake Pads Replacement (Front, Rear) - Springfield, Virginia
Early arrival....great work....Thank you so much for your services...will be using and recommend you for sure to family n friends!!!! God bless you
Honda Odyssey - Brake Pads Replacement (Rear) - Derwood, Maryland
Showed up on time (actually early!l Answered any questions I had. Completed service quicker than expected! Even helped with tire that had a slow leak.

Augustine

11 years of experience
37 reviews
Augustine
11 years of experience
Hyundai Accent - Brake Pads Replacement (Front) - Albuquerque, New Mexico
I had an appointment to have brakes/rotors done. Augustine is a very nice guy. Personable and polite! He came 30 minutes early for the appointment, and asked me if he could come early before he came. Top quality, will use him again for rear brakes/rotors in a few weeks.
Chevrolet Equinox - Brake Pads Replacement (Front) - Rio Rancho, New Mexico
Augustine was amazing. He was the perfect example of customer service all around. While he was working, I was recommending him to my neighbors. Next time I need work, I will be requesting Augustine specifically!!!!! Please give him a raise or bonus!!!

Chris

21 years of experience
1786 reviews
Chris
21 years of experience
Nissan Altima - Brake Pads Replacement (Front, Rear) - Mission Viejo, California
Chris is outstanding in all aspects. We always select him to service our vehicles. He's always prompt, friendly, and more importantly HE KNOWS WHAT HE'S DOING! Thanks Chris!
Lexus SC430 - Brake Pads Replacement (Front) - Laguna Niguel, California
Chris's delivered excellent service and arrived ahead of schedule. I would want to book Chriss for my next service appointment.

Christopher

9 years of experience
20 reviews
Christopher
9 years of experience
Kia Rondo - Brake Pads Replacement (Rear) - Houston, Texas
Christopher is very knowledgeable about diagnosing the problem, repairing it, and discussing why it is important to fix it. I appreciate him letting me know what future maintenance is necessary. Christopher is very professional while having the ability to making the customer feel at ease. I am satisfied with his work.

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