Changing out ac pressure switch
Can I change ac pressure switch without draining refrigerant on 2012 Ford F-150 3.7l v6
The 2009-2014 Ford F-150 was introduced for the 2009 model year as an update of the Ford full-size truck platform.
I believe you were miss informed but you don't half to drain your a/c fluid. You have what is called a shrader valve. The pressure switch screws onto the sharder valve . If your issue is in that valve then yes you will lose pressure. So no the pressure does not half to evacuated when changing the pressure swith cause the sharder valve will keep the system contained
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