Issues with your air conditioning in your 2010-2011 Ram 2500/3500 can stem from a few different areas. One of the common failure points is the a/c evaporator itself. Freon flows through the evaporator absorbs heat in the air flowing over it converting it to cool air. Typically, a bad evaporator can either become clogged or will start leaking freon into the HVAC system. Common syptoms include weak airflow or warm air, strange or sweet aroma, compressor not activating, or inconsistent air temperature. This direct replacement a/c evaporator installs using factory hardware in the factory location and will restore proper operation of your trucks a/c system.