Coolant Loss and Engine Overheating on Porsche 911

A small leak in the coolant reservoir can cause persistent coolant loss. To ensure engine longevity, coolant loss and overheating issues need to be resolved. Out technicians tell us the proper coolant fill procedure must be followed when refiling the cooling system.

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Average mileage: 74,600 (4,000–120,000)
Engine affected: 3.4L 6 Cylinder
13 model years affected: 1999, 2000, 2001, 2002, more2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2014
17 people reported this problem
2 people shared problem details
2014 Porsche 9114,000
not sure if it's a computer issue or a combination of a persistant leak and very early computer warning
2001 Porsche 91190,000
I have had a very large leak, they replaced the plastic tank and it is still leaking, even when it is just sitting in the garage.
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