An airspring suspension should not leak. That said your not gonna die because of it. When you park your car you should deflate it, think of a compressor when your done using it you bleed it out. I would check your connections again make shure that your airlines are seated all the way in the quick connects. If you got fittings from Air Ride tech wire wheel of there pipe dope and use loctite 545 it is designed for hp hydraulic and pnematic systems it is the ***** though a little pricey. If all that and your still leak and you don't have a chaffed spring you could go to hard lines. To be frank though If its not enough to affect you while driving it really isn't that big of a deal.