How do you evacuate the ac system on a dodge ram?

To evacuate the AC system on a Dodge Ram, first, ensure that the vehicle is off and safely secured. Connect a refrigerant recovery machine to the service ports of the AC system, following the manufacturer's instructions. Start the machine to remove the refrigerant, which should take several minutes. Once the evacuation is complete, check for any leaks and make sure the system is properly sealed before recharging it with the appropriate refrigerant.