69 Dart door glass alignment...

The the driver's door glass is not parallel with the upper weather stripping when the window is all the way up. I have the FSM, but the descriptions are a little vague how to align the window. It sounds like the wing vent frame will have to be tilted forward, but there in no extra clearance in the upper corner of the of the wing vent to the upper weather stripping.
Any ideas here?

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