How To Vacuum Car Ac System

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Close the low pressure valve and now you may.

How to vacuum car ac system.

Condensed water particles corrode the ac system and cause long term damage. For effective vacuuming open the low port s valve of the gauge. Also keep the car engine switched off. Park your car on a flat surface and turn the air conditioner off.

With a vacuum pump connected to both low and high air conditioning system sides pull a deep vacuum for at least 5 45 minutes. When concerned as to how long to vacuum car ac system you should know that it would take around 30 45 minutes. This applies to the newer r134a refrigerant systems as well as the older r12 systems. Steps to vacuum ac system.

Proper way to pull a vacuum from a discharged auto ac system. A vacuum of about 500 microns or 29 92 hg gauge pressure is needed for removing any moisture that may have entered the system along with the non condensable gases while it was open. This is enough time period to get rid of moisture and dust inside the ac system. Creating a vacuum deep enough to boil moisture away by using a vacuum pump on a regular basis is an.

To use a vacuum pump on an air conditioner first turn the pump on and open the side gauge valve which will allow the vacuum to start pulling air out of your system. Moisture in the ac system is a serious problem because moisture reduces the performance of the ac system and condensation of water can cause the ac system to freeze.

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