Brake Master Cylinder problems of the 2008 Subaru Impreza

I own a 2008 Subaru Impreza wrx with a stock clutch. For approximately 2 years I have been hearing creaking and/or clicking noises when engaging the clutch pedal. In April of 2013 chatham Subaru in GA replaced my clutch due to the metal clutch fork wearing through at the pivot point within the bell-housing. They also noted a very hard clutch pedal and spongy brakes before the repair. They replaced the clutch, flywheel, pressure plate, fork and master cylinder (I replaced the slave cylinder before I brought it in) all of which I paid for. Initially the clutch felt great (brake feel was unchanged), but has since began to harden again. . Read more...