Proper way to pull a vacuum from a discharged auto ac system.
Vacuum air conditioning car.
It is important to vacuum an air conditioning system to remove any air or moisture that may damage the system in the long run.
This applies to the newer r134a refrigerant systems as well as the older r12 systems.
This is enough time period to get rid of moisture and dust inside the ac system.
Pulling a vacuum is a common part of air conditioning repairs.
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Vacuums are used to evacuate acs a process by which they pull out all air and moisture from the refrigerant system prior to testing repairs and recharging.
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When an air conditioning system loses its ability to cool properly it may be necessary to recharge the system with new refrigerant keep reading for a r 134a a c pressure chart and steps on how to recharge the a c system when the system is low on pressure or has been vacuumed out following a repair.
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