The braking system of your Jeep Wrangler rarely gets much attention. That is, until it fails. The major mechanical components, like the brake pads, calipers, and rotors, will generally give you some advanced warning before they fail. Early symptoms may include squeaking, squealing, or grating sounds. But when your Jeep Wrangler brake lines and hoses go bad, your vehicle simply will not stop. Powered by hydraulics, these systems rely on fluid transfer to provide the pressure needed to make the brake calipers clamp the rotors and stop the moving wheels. A leak in your brake line or a blown hose could result in immediate and catastrophic brake failure, which is why these components should be tested every few years.