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

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.

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Average mileage: (–)
14 model years affected: 1997, 1998, 1999, 2000, more2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
15 people reported this problem
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