Closing off a broken brake line is not a viable temporary solution for several reasons:
1. Insufficient Braking Power: Patching or closing off the broken brake line will not restore the necessary hydraulic pressure in the system to generate adequate braking force. This means you will have significantly reduced or even completely lost braking capabilities.
2. Safety Hazard: Driving with a broken brake line and compromised braking performance is extremely dangerous. You will have difficulty slowing down or stopping your vehicle, greatly increasing the risk of an accident.
3. Environmental Consequences: Leaking brake fluid can harm the environment by contaminating soil and water sources. This poses ecological risks and can lead to legal consequences.
4. Inspection and Liability: If you are involved in an accident while driving with a faulty brake line, it may be difficult to disprove knowledge of the issue, leading to potential liability for any resulting damage or injuries.
Instead of attempting to seal off a broken brake line, it is essential to immediately address the problem and have the line repaired or replaced by a qualified mechanic. This ensures the complete restoration of your vehicle's braking capabilities, ensuring your safety and compliance with road regulations.