Dragging/stiff pedal due to plenum drainage issue on Porsche Boxster S

Problem Description and Possible Solution

Symptoms such as dragging or a stiff pedal can be caused by accumulated water entering the brake booster. The root cause is a plenum drainage issue. Updated parts are available for early-production vehicles.

Problem Data
RepairPal Verified
Average mileage: (–)
11 model years affected: 2000, 2001, 2002, 2003, more2004, 2005, 2006, 2007, 2008, 2009, 2010
11 people reported this problem