Originally Posted by chris1044
If the brake system (assuming thats what you're talking about) looses pressure when you pump the pedal with the key off (and frankly I can't see a power booster causing a loss of pressure at all - unless the master is leaking fluid into the booster and the motor is eating it), there is air in the lines.....you did bench bleed the master when you swapped the booster correct??
No, I didn't take the lines off the master. I'm going to bleed everything tomorrow and see how that goes.