The brake line is leaking midway under the car.
Hello. Brake lines that go from the front of the vehicle to the back are made of metal. The metal doesn't usually leak unless it is physically damaged or a connection gets loose. If the line is damaged in any way, it will need to be replaced. Replacement lines are straight and will need to be bent into shape and routed by the mechanic installing it. The hydraulic system will also need to be bled after installation for proper operation. I suggest seeking help form a qualified mechanic, such as one from YourMechanic, to replace the brake line and inspect for other failing components.
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