Fitment: 2006-2009 Chevrolet Express 2500 2006-2009 Chevrolet Express 3500 2001-2005 Chevrolet Silverado 2500 HD 2001-2005 Chevrolet Silverado 3500 2006-2009 GMC Savana 2500 2006-2009 GMC Savana 3500 2001-2005 GMC Sierra 2500 HD 2001-2005 GMC Sierra 3500 How to replace A Cooling Fan: 1. Disconnect Power Use a wrench to disconnect the negative battery terminal. Key detail: Wrap the disconnected cable end with a cloth or tape so it doesn't accidentally spring back and touch the battery terminal. 2. Remove the Old Fan Unplug the electrical connector (press the tab—don't just yank it). .
