At 125,000-150,000 miles, the Brake Master Cylinder may need replacing. When replacing the master cylinder, it is critical to adjust the brake pedal to master cylinder pushrod clearance or the brakes can drag and overheat.Google+
Car Problem Reports
Geo Prizm Brake Master Cylinder May Need Replacing at 125,000 Miles
Geo Prizm Problem
Average Mileage: 135,000 mi (104,000 mi - 166,000 mi)
pedal very soft. brake not very responsive, new rotors, pads and new shoes installed. reservoir full with brake fluid and no leaks anywhere.
Visitor, 1995 Geo Prizm, 166,000 mi