How To Use Vacuum Pump For Car Ac

Let the pump run for 30 to 60 minutes until you see the low side dial displaying a vacuum reading of 30 inches of mercury.

How to use vacuum pump for car ac. This is especially helpful before testing repairs and recharging the air conditioner. That said our car ac techs are doing a disastrous job in this country. Turn off the air conditioning in the car and switch off the car engine. The low or blue side needs to show a vacuum which reads at or below zero.

Proper vacuum ac system. If it does not there is a leak that needs to be corrected before moving forward. A professional repair performs the vacuum pulling efficiently. Once it s running open the low and high side valves on the manifold gauge housing.

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. This completes evacuation of your automobile air conditioning system. Ac vacuum pulling is necessary to ensure no air and moisture remains in the refrigerant system. 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.

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. Next connect the yellow hose to your vacuum pump and turn it on. And don t get me started with the home ac guys. Not a single one of them owns a vacuum pump yet they call themselves ac guys.

Contrarily if everything is fine you can detach the vacuum pump and place the hose in a refrigerant. However it never hurts to go the diy way for how to use ac vacuum pump if you want to. Find a suitable japan cheap used car for yourself. Click here start your car turn the ac on and open the low pressure valve that is present on the gauge in a slow manner.

The high side gauge needle will remain at zero the entire time. The power of the vacuum pump 1 4 1 2 hp in use would determine how long it takes to pull the required void.