Moisture in a vehicles AC system can react with the R134a or R12 refrigerant and create an acid that will eventually eat through seals and o-rings and even orifice tube parts.
It is recommended you vacuum your system whenever it loses charge or whenever your extremely low on refrigerant. You can rent a vacuum at Auto Zone for free (200$ refundable deposit) and pull a 26-28 inch vacuum.
It removes moisture from system.
how much moisture is removed from a mobile a/c system during typical evacuation
You will not be able to charge the system correctly plus you will have moisture stuck in the system.....
It stores and meters out excess freon as needed by the a/c system it also dries moisture from system
An AC accumulators job is to remove moisture from the AC system it performs this function with a package of dessicant inside it. Dessicant is a compound that absorbs the moisture around it. An accumulators job is also store excess refrigerant not being utilized by the evaporator.
There is a website with helpfull information about your vehicles ac system along with the layout www.idqusa.com.
it removes moisture from the AC system by using a package of dessicant inside it. dessicant is an absorbent material that removes the moisture
With many vehicles, if the defrost mode is on, the ac will continue to run. This helps to clear the inside windshield from moisture.
how come when we turn on ac the belts slow down. It takes horse power to operate the ac compressor and the vehicles ECM (engine control module) will compensate for that. If the vehicles charging system and ac system is in good working order it will not drain the battery or effect the idle.
Yes, the heat from the engine will actually help remove a little more of the moisture from the system................