2006 2007 2008 2009 2010 2011 2012 2013 2014 Honda Ridgeline V6 3.5L. 2009 2010 2011 2012 2013 2014 Honda Pilot V6 3.5L. The expansion valve is the component in the refrigerant system that regulates the rate of flow of refrigerant into the evaporator core through the use of variable valve opening as governed by a remote bulb sensing evaporator temperature.
