Too much refrigerant in the system creates high levels of pressure, which can ultimately lead to the components of the system malfunctioning. The accumulator can only withstand a limited amount of pressure from the liquid refrigerant. Too much pressure and the accumulator can clog.
How often do you add Freon to your car?
How Often Does My Car AC Need to Be Recharged? There’s no hard and fast rule here. Some new cars that stay cool with R134a may only need to be recharged every seven years or so. Living in a hot place like Gilbert though, there’s a good chance you’ll feel the need for a recharge even more often than that.
What does it mean if your car AC is blowing hot air?
The most common cause of an AC system blowing warm air is a lack of refrigerant, though, you may also have a problem with your condenser. Other possibilities include a faulty compressor, broken cooling fans, or an issue in your electrical system.