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.
1 person likes thisFlag inappropiate
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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