What happens if the orifice tube of an AC unit fails?
What happens if the orifice tube of an AC unit fails? The AC expansion valve and orifice tube work together to regulate the flow of the AC system. If either component fails or has an issue, it can disturb the performance of the AC system, which can cause it to underperform. Can a bad or failing orifice tube cause a car to freeze? If the AC evaporator or orifice tube malfunctions, it can cause refrigerant to flow unmetered through the vehicle’s AC system. This can cause the evaporator to freeze over, or frost to form or come from the vehicle’s...