Ive done the same thing It wont kill you, unless your huffing it. No worries.
I ... un screwed mine .... and i ment to but, i was not 100% sure what it was going to do. Hehehe!!!
Unscrew the cap .... all most done ... ahh i think this is the last turn and ..... .BOOOM the ****ing bolt flys and knocks me on my ass, and i see a nice thick white smog.
Cool deal :thumbup: Now i got no a/c and then i removed the condensor and ac junk then my power stearing.