Pumps can be purchased or rented if you don t want to make a permanent investment.
How to vacuum car ac system without pump.
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.
Compressor replacement without a vacuum pump.
Proper way to pull a vacuum from a discharged auto 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.
The following video gives a summary of the steps i did to pull a vacuum from your system to get rid of any moistur.
Replacement of a compressor requires the use of a vacuum pump.
When concerned as to how to vacuum ac system without pump one should know that it is possible but would not be that efficient.
Make sure the readings on both the gauges are zero move on with connecting the other end of the yellow hose on the gauge to the vacuum pump.
This applies to the newer r134a refrigerant systems as well as the older r12 systems.
Condensed water particles corrode the ac system and cause long term damage.
We have developed a method of removing the air from a system without the use of a vacuum pump.
Now turn the pump to the on position.