Before I cut a hole in the roof for a fan vent, thoughts on reversing the direction of the rear fan so it sucks instead of blows? Maybe the front HVAC if the rear doesn't draw fresh air. Thinking I could just reverse the polarity on the fan?
I found my problem and solution in this thread https://delicaforum.com/index.php?threads/wind-noise.1203/
But I wanted to make a more specific subject title so others can find it easier.
Between 80-100km/h I had this metallic sounding buzzing/rattling coming from the front passenger side of...