How To Vacuum Car Ac System With Pump

Bryan goes deep into how to evacuate or vacuum an air conditioner in a video collaboration with paul from the engineering mindset channel.

How to vacuum car ac system with pump. Next you need to connect the red colored valve to the high pressure port and the blue colored valve to the lower one. One thing straight remember to keep the valves on the closed position before connecting to ac system. It is the yellow valve that signifies the connection to the vacuum pump. With a vacuum pump connected to both low and high air conditioning system sides pull a deep vacuum for at least 5 45 minutes.

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. Pumps can be purchased or rented if you don t want to make a permanent investment. Creating a vacuum deep enough to boil moisture away by using a vacuum pump on a regular basis is an effective low cost method of maintaining a healthy ac system. Hooking up the manifold gauge to vacuum ac system.

Condensed water particles corrode the ac system and cause long term damage. 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.