How to evacuate and "pull" vacuum on an R134a car AC system
3:00
YouTubemikecarter79
How to evacuate and "pull" vacuum on an R134a car AC system
Proper way to "pull" a vacuum from a discharged auto AC system. This applies to the newer R134a refrigerant systems as well as the older R12 systems. It is not only necessary, but critical that you evacuate your AC system IF it has been opened to the atmoshere. However, if you are just adding additional R134A Freon to your system, evacuation is ...
940.8K viewsApr 23, 2009
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