I am not sure if the 37 resembles the vent window on the 39 Six,, but I just pulled the vent window assemblies from my car. Mine is a convertible coupe so anything having doors like a sedan might be different. I do not think removing the gear assembly itself would entail the same steps. There are four screws on the outer edge of the vent window assembly on mine which attach the vent frame to the door. The track for the main window is part of the vent window frame and is attached at the bottom with a bolt and nut which need detached. The bottom shaft of the vent window runs through a rubber gasket and inserts into the window crank assembly and is held in place by two screws which you loosen. The window crank assembly on mine is held to the frame with two long bolts that are inside the channel…and which cannot be accessed with a conventional socket. I cursed Packard engineers again when I tried to fit a wrench but discovered that the bolt ends are attached through the crank mechanism bu two elongated nuts that are easily removed which f frees the window crank assembly. Since I was interested in removing the entire vent assembly to replace the rubber gaskets around the vent window, I do not know if all of these steps are needed to remove just the gear assembly. With all of the screws and bolts removed as I spelled out the whole vent window assembly can be wiggles and slid out of the door. It appears that in order to replace the rubber gaskets it will be necessary to disassemble the vent window frame which may be more difficult. The weather channel for the main window is attached in 2 pieces to the vent window frame. As far as I can tell that channel is attached to the frame with tabs that run through the back of the channel. I have opted not to bend the tabs to release the channel until I can locate appropriately sized replacement channel( probably Restoration .specialties) and figure out a way to reattach the channel …possibly short rivets ? I assume that under that channel there is a screw that will allow the frame of the vent window to be disassembled which will likely be required to insert the top pivot of the assembly through the rubber gasket. The glass will then be installed in the channel and the procedure reversed. Since Steele sells the gaskets I hope/ assume that someone else has done this and can advise whether my speculation is correct. I would also like to know whether it will be necessary to paint the top of the door to assure paint under the new rubber gasket ,l..and the weatherstrip that runs along the too of the door for the main window. I hope this helps. RJR
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