The hydraulic braking system on your car is very complicated. Without all of the various components of this braking system working together, it will be very hard for you to retain the stopping power of your car. The brake booster vacuum pump is among the most essential and complicated parts of your braking system. When you hit the brake pedal on your car, the metal rod goes through your brake booster and into the master cylinder. In order for the braking system on your car to work in a split second, there needs to be pressure put on the brakes when the brake pedal is pushed. The brake booster vacuum pump is only used when the brakes are activated.

The brake booster vacuum pump helps to create the pressure that is put to the brakes of the car to bring it to a stop. Having optimal stopping power is only possible with a properly working brake booster pump. The brake booster vacuum pump on your car is designed to last for the life of the vehicle. There are so many different things that can lead to this part becoming damage. The continuous use that the brake booster vacuum pump is what will usually lead to it becoming damaged.

Driving your car with a worn out brake booster vacuum pump can lead to diminishing braking power. As soon as you start to notice that there may be issues with this part of your braking system, you will need to get the proper repairs done to avoid the danger that comes with diminished braking power. Here are some of the things that you will notice when it is time to get your brake booster vacuum pump replaced:

  • Braking response is delayed
  • More pressure is needed to make the brakes engage
  • A noticeable hissing sound when the brakes are applied
  • The brake pedal goes to the floor without pressure being applied

A mechanic can diagnose and replace your broken brake booster vacuum pump if it is necessary.

This article originally appeared on YourMechanic.com as How Long Does a Brake Booster Vacuum Pump Last? and was authored by Valerie Johnston.


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