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How to Troubleshoot a Brake Vacuum Booster The brake booster is a power braking system provided by a vacuum and hose mechanism attached to the system. This should, in theory, assist braking; however, if it is not working properly then you may find it actually makes pressing on the brake pedal to slow or stop the car much more difficult. Naturally, it is absolutely vital to remedy this potentially dangerous issue. There are steps you can take to diagnose and fix the problems. Instructions Pump the brake several times and hold the pedal down while attempting to start the engine. If the power brake is working, it will pull the pedal down further. If the pedal does not move, you have a problem. This confirms that you need to carry out a basic troubleshooting process. Start the engine and check for vacuum in the hose. The engine should smooth out if you plug the hose end. If you don't feel the vacuum suction, the problem is a restricted vacuum port and this must be cleaned. A...

What Are the Functions of the Brake System? A brake system is one of the most important parts of a vehicle. No matter what kind of vehicle people use, an efficient braking system will always be of utmost concern to ensure safety. Deceleration The main function of the brake system is to decelerate or decrease the speed of a vehicle. By stepping on the brake pedal, the brake pads compress against the rotor attached to the wheel, which then forces the vehicle to slow down due to friction. Absorption A brake system absorbs the kinetic energy of the vehicle mechanically or electrically in order to decrease its speed. In mechanical brakes, friction converts the kinetic energy into heat. In electric brakes, an electric current forces a magnet to apply the brakes. Brake Booster Vehicles have power brake boosters in order to boost or enhance the pressure applied in the brake pedal. They minimize the pressure needed from the driver to decelerate or stop the vehicle. Antilock Brake...