Coolant Loss and Engine Overheating on Porsche Boxster

Persistent coolant loss can be caused by a small leak at the coolant reservoir. Our technicians tell us the leak may not be visible due to the trunk carpet hiding the leak.

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Average mileage: 64,243 (32,215–108,000)
14 model years affected: 1997, 1998, 1999, 2000, more2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
19 people reported this problem
3 people shared problem details
Have to add coolant every month.
LEAK IN RIGHT REAR TRUNK FROM RESERVOIR. TEMP SENSOR GOING OFF REFILL THEN WEEK LATER SAME ISSUE.
anti freeze loss. had a 1998 boxter and had the same problem. think it to be the radiator reserve tank. if engine was consuming water, it would mean a head gasket issue, but car would not be ideling smoothly.
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