I just installed a new master cylinder on my 1987 Toyota Camry. I’m trying to determine if the new master cylinder is defective. It seems that it take an unusual amount of pressure to feed fluid to that chamber,the chamber that supplies fluid to the left front and right rear. When I bench bled the new master cylinder I found it took a tremendous amount of hand pressure to push fluid to the farthest port. My question is the following. How much pressure is necessary to feed brake fluid to the farthest port in the master cylinder. I tried a power bleeder because my wife’s leg gave out, however I could not get the universal cap on the power bleeder to hold pressure above 15 PSI without leaking. Any suggestions, Thanks, mrhappy