Car AC systems entail to be properly evacuated before recharging.
Evacuating, or discharging an vehivle (Car) air conditioning system (AC) is a easy development, if the required tools are available. Car air conditioning systems exigency to be evacuated as item of routine perpetuation when the process needs to be recharged. Clashing automakers applicability a Broad array of air conditioning systems and components, on the contrary these systems all perform the alike basic overhaul and succeed customary air conditioning dummy. Don't concern provided the necessary tools aren't baggage of your personal belongings chest, as many Car utility stores rent these tools to customers for a worth.
Instructions
1. Connect the manifold air gauges. Manifold air gauges consist of two gauges and three hoses, one cherry, one downcast and one unethical. The blush hose attaches to the high-pressure valve and the moody hose connects to the low-pressure, or suction, valve. High-pressure valves are located on the receiver/dryer bottle attached to the compressor, with the low-pressure valve below it and slightly to the front of it. Check with the automobile's repair manual to verify the specific location of valves for your particular AC system.
2. Connect the yellow line to the vacuum pump, then make sure the high and low gauges are closed. Do this by turning the red and blue knobs until closed. Refer to the manufacturer's instructions if you need additional assistance closing the gauges. Next, start the vacuum pump according to the manufacturer's instructions.
3. This completes evacuation of your automobile air conditioning system.4. Recharge and service the AC unit according to the manufacturer's suggested procedures. Open the high and low-pressure valves on the air gauge. The low, or blue, side needs to show a vacuum, which reads at, or below zero. If it does not, there is a leak that needs to be corrected before moving forward. Run the pump for thirty minutes, turn the pump off and close the red and blue gauges.
