My second 1965 Dodge Dart.

It has been raining here quite a bit lately, and I have gotten a "top tarp" to put over the car so much that the rain does not get in. I have tried to take the left vent down inside the car, and have loosened the rod that goes up and holds it. But, the vent is still stuck. I can not get it loose. I have tried to feel with my fingers if there is any more screws or whatever kind of fasteners, but no luck so far. I have looked in the shop manual, nothing there either, and I have looked in the parts book (which is not entirely complete) and can not find anything there either.

So, I wish someone would help me a bit here. I am afraid of pulling and bending so much on the vent that I break it. Does anyone have a pic that shows something ?