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GMC Savana 3500 Problems

Contamination of extended life coolant on GMC Savana 3500

Problem Description and Possible Solution

Extended life coolant may become contaminated and require cooling system service before the recommended 100,000 miles.
(15 people reported this problem)

GMC Savana 3500 Vehicles With This Problem

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Average mileage: (–)
15 model years affected: 1996, 1997, 1998, 1999, more2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Not Your GMC Savana 3500 Problem?
Brake problem? Or maybe a faulty head gasket cylinder?
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