How To Vacuum Car Ac System

Once the valve is open let your vacuum run at full speed for 15 to 30 minutes to pull out as much air as it can.

How to vacuum car 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. Park your car on a flat surface and turn the air conditioner off. Once the tenure of vacuuming has ended.

With a vacuum pump connected to both low and high air conditioning system sides pull a deep vacuum for at least 5 45 minutes. Proper way to pull a vacuum from a discharged auto ac system. Also keep the car engine switched off. Follow the steps below to complete an effective vacuuming of the ac system and recharge it returning the ac to its pristine working condition.

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. Condensed water particles corrode the ac system and cause long term damage. This applies to the newer r134a refrigerant systems as well as the older r12 systems. 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.

Steps to vacuum ac system. When concerned as to how long to vacuum car ac system you should know that it would take around 30 45 minutes.