Don't do it, alot of risk no reward.
The process is excatly how Cube said it is, I had to do the very same thing to "Remove" someone from the title, and the bank is not so willing to remove someone from the mortgage.
Really there is nothing to gain by doing that, wait till you move into a new house with her, then just do it from the start. If she wants to feel included, just get a bunch of Visa's using her good credit and transfer all the bills into her name.
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