Does a Car Air Conditioner Need Freon?

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Car air conditioners do require Freon. Below are specific details about Freon: Methods for Adding Freon to a Car Air Conditioner: There are two methods for adding Freon to a car air conditioner. One is high-pressure side charging, which is suitable after leak detection and vacuuming. Note that this method must not involve turning on the compressor, the engine must be off, and the refrigerant tank must be inverted. The other method is low-pressure side charging, where gas is added. This method is characterized by slow charging speed and is typically used for supplementing refrigerant. Introduction to Freon: Freon can be considered synonymous with refrigerant. Due to its extensive use and severe damage to the ozone layer, countries worldwide have begun implementing a complete ban on its use. Although policies prohibiting Freon have been introduced, products currently using Freon will not be immediately halted but will be phased out gradually.