An air disc brake chamber is a component of an air brake system in a vehicle. It is a cylinder that houses a piston that moves in response to pressure changes in the air brake system. When the driver applies the brakes, air pressure is increased in the brake lines, which pushes the piston in the brake chamber outward. This movement forces the brake pads against the brake rotor, causing the vehicle to slow down or stop. The brake chamber is an important part of the air brake system because it converts the pressure changes in the air lines into mechanical movement that activates the brakes.
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