What legal rights do I have regarding the house that my ex-wife and I still own?

Question Details: My ex and I divorced 3 years ago. She got the house which I'm OK with but she was to refinance in order remove me from the loan, which she has yet to do. Now she wants me to sign a quit claim deed but that still leaves me on the loan. What rights do I currently have? Should I refuse to sign the quit claim until she refinances? There is work being done to the house that I, as the primary on the loan did not approve of, can I order that to be stopped? I really don't want to be a jerk about this but I'm not going to be put on the hook for the house if she decides not to pay.

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