One problem related to brake master cylinder has been reported for the 2005 Subaru Forester. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 Subaru Forester based on all problems reported for the 2005 Forester.
Sudden loss of brake pedal pressure - shop evaluation shows master cylinder failing - original master cylinder replaced with new part at 31858 miles due to failure (brake fluid bleeding back into reservoir). Will have to replace master cylinder again. [note : vehicle was purchased new from dealer].