Would a bad master cylinder cause the brakes not to work on a m35a2 deuce and a half?

Yes, a bad master cylinder can cause the brakes not to work on an M35A2 Deuce and a Half. The master cylinder is responsible for generating hydraulic pressure to engage the brakes, and if it is malfunctioning due to leaks, internal damage, or air in the system, it can lead to a complete loss of braking ability. Ensuring the master cylinder is functioning properly is crucial for brake system performance. Regular maintenance and inspection can help identify issues before they become critical.