Automotive Ac System Evacuation

A c evacuation and recharge.

Automotive ac system evacuation.

Auto air conditioning systems need to be evacuated as part of routine maintenance when the system needs to be recharged. Performing an evacuation does not remove metal shavings from a system though this requires a flush. We offer an a c evacuate and recharge where we void the air conditioning system of old refrigerant and then recharge the system with new refrigerant. Car a c evacuation and recharge services.

By bringing a closed system into a vacuum the boiling point is greatly reduced and any moisture boils into a vapor that s pulled out through the vacuum pump. This debris will be the broken parts of compressor reed valves piston rings maybe even parts of a disintegrated piston and metallic scrapings from internal cylinders. Evacuating or discharging an automobile auto air conditioning system ac is a simple process provided the necessary tools are available. The best way to remove non condensable gases ncgs is to pull a deep vacuum in the system.

A vacuum pump is used to draw the system to a vacuum of 29 75 hg or greater. We then inspect the car a c system s pressure and temperature control to make sure everything is working correctly for a car air conditioner recharge service. How long should i evacuate ac system. If no leaks or damage are found they evacuate the refrigerant from the system vacuum test and recharge the air conditioning system using the appropriate refrigerant according to your vehicle manufacturer s specification.

After a system has been opened for any repair service or installation even for a short amount of time the a c system should be evacuated. Non condensable gases ambient air inside the a c system. Non condensable gases have a serious impact on system performance operating conditions and lifetime of an air conditioning system. The automotive a c system must hold the vacuum of 29 92 in hg for at.

Non condensable gases in most cases surrounding ambient air are not able to condense inside the air conditioning condenser unlike refrigerant gases like r 134a or r 1234yf.