Sorry for more dumb questions but did you pre-fill the cartomizer before putting it in your tank?
How many holes are in the carto? Did you make the holes yourself or are they the smaller laser-drilled holes?
I made a tutorial on how to set up a cartotank, including a video. Read and watch and tell me what you did different?
http://www.e-cigarette-forum.com/forum/blogs/baditude/3710-5-cartomizer-tank-setup.html
Cartotanks work on the principle of pressure within an enclosed container. When you suck on the cartomizer, the loss of juice in the cartomizer causes a negative pressure within the tank causing more liquid to enter the cartomizer. It's hard to see but each time you vape some eliquid from the tank is replaced by an air bubble from the cartomizer hole.
Someone want to fill me in on what this "tilting" action is supposed to do?
EDIT: Sorry, I just reread the OP's comments and question. I totally misunderstood the situation. Just empty the rest of the contents of the tank, you can not get the juice into the carto's holes. Simple explanation.