Venting out freon
Now before I begin, let me say that I am in no way advocating the release of harmful toxins such as refrigerents into our mother earth .
That being said, please elucidate for me (because I'm the sort of person who likes to know everything about his car) if there is like a bleed off valve along the a/c line that when remained open will release the 134a from the system, for emergency purposes of course. Does the compressor need to be engaged when it'* open? If such a valve exists, where can i find it? ('96 Bonneville)