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Porsche Boxster S Problems

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.

(11 people reported this problem)

Porsche Boxster S Vehicles With This Problem

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Average mileage: (–)
11 model years affected: 2000, 2001, 2002, 2003, more2004, 2005, 2006, 2007, 2008, 2009, 2010
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Brake problem? Or maybe a faulty head gasket cylinder?
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