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Most modern vehicles employ an anti-lock braking system to prevent the driver from losing steering control while applying the brakes. The system comprises speed sensors attached to each wheel, valves, a pump, and a controller, which allows the driver to steer the vehicle while applying the brakes.
When any system component fails, it affects the proper functioning of the ABS, resulting in hard braking, erratic brake behavior, and unusual noise while braking. Before discussing the symptoms of a failed ABS, let's examine the ABS components and how they help the driver maintain steering control while braking.
The Anti-Lock Braking System
Pump: The pump is also known as the modulator or Hydraulic Control Unit (HCU). The pump comprises valves controlled by solenoids, an electrical engine, and a base connecting brake hoses. The [...]