If a freon leak occurs, what action should be taken regarding the system filter drier?

When a freon leak occurs, it is critical to replace the system filter drier immediately to ensure the integrity and efficiency of the refrigeration system. The filter drier plays a vital role in removing moisture, contaminants, and acids from the refrigerant. When a leak happens, this can introduce contaminants into the system, which may compromise the filter drier's ability to perform its function effectively.

Replacing the filter drier eliminates the risk of using a compromised component that could further damage the system or lead to performance issues. A new filter drier ensures that any moisture or debris that may have entered the system during the leak is properly filtered out, thereby protecting the compressor and other critical components.

While other options may suggest less immediate actions such as reusing, cleaning, or merely monitoring the filter drier, doing so after a freon leak poses a risk. Contaminants can cause system inefficiencies, and the integrity of the refrigerant can be compromised. Hence, it is best practice to replace the filter drier in the event of a leak to maintain the reliability and safety of the system.