Had this car more than three years. Car has no ABS module so that is out of the question. Pedal always felt somewhat soft. Replaced a few master cylinders thinking it was the problem, and forgot about it since that was just the way this car was and it stopped. Last time I had a brand new original unit and a few weeks later I started getting random soft pedals at times, rarely though. I returned the unit, and put back my original on, still same thing. I bled the lines from the front two lines connecting to the master cylinder and never had a problem with air in the system. My rear drums, shoes, wheel cylinders were all replaced in the spring, Front brakes are still fine, plenty of meat on them, but slight warpage on the rotors. There are no leaks in the lines or anything. I am stumped as to what it may be. Can it be air still stuck somewhere in the system, or a bad booster? I remember having a rear seal leak with one of the old master cylinders and cleaning the brake fluid out of the booster. Can this also cause the symptom?
Dec 28, 2017 at 6:41 PM
