Why does my Silverado Sierra have no fan?
Why does my Silverado Sierra have no fan? The failure mode on these is one or two of the resistors blow and you end up with just a few of the fan speeds or as previously mentioned the connector burns up and you have no fan speeds. Powered by phpBB © phpBB Group. phpBB Mobile / SEO by Artodia . What causes a Duramax to overheat in the summer? Overheating typically occurs while towing in the Summer months, and is most prevalent in 2005 or earlier models (2006+ models received a larger radiator and fan). Overheating often occurs as a...