Treadle-Vac master cylinder losing fluid mysteriously

Posted by pcyco13 On 2021/11/28 1:12:04

Our '56 Clipper has the Bendix Treadle-Vac power brakes and mysteriously loses brake fluid. No noticeable leaks anywhere.
Is this a master cylinder issue?
Too many pros and cons on the Treadle-Vac system to get a clear answer.