Posts Tagged: refrigerant contamination

AC Fully Charged But Not Cold? The Most Common Causes

How Moisture and Air Contamination Destroy AC Performance Quick Summary If your car’s AC is fully charged but not cold, adding more refrigerant is almost never the answer. In my experience diagnosing automotive air conditioning systems, the most common causes are; • Air or moisture contamination • A clogged expansion valve or orifice tube • A failing compressor • A restricted condenser • Cooling fan problems • Blend door issues inside the HVAC housing. The key is understanding that refrigerant charge is only one part of the system. A properly … Read More