im pretty sure everything linked remains linked to the account, I have issues understanding what exactly is what with paypal documentation sometimes too because of the "different" products. I gotta say though I have dealt with PP's customer service a few times and they are pretty decent. Calling them may be your best bet.
in case you never called before you have to log in, find "contact us" (i think its under help) and then find "by phone" so many sites are changing the UI its hard to keep up. But they will give a number and a code to eneter when you call to prove its you