Car Problem Reports

Audi A6 Quattro Overheating Due to Failing Thermostat

Audi A6 Quattro Problem
10 Reports
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Model Years Affected: 2005, 2006, 2007, 2008, 2009, 2010

Engines Affected: 3.0L V6, 3.2L V6, 4.2L V8

Average Mileage: 108,883 mi (89,149 mi - 120,500 mi)


The thermostat may erratically stick open or closed. The can result in illumination of the Check Engine Light and/or engine overheating.

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