We bought our 2014 Access Premier new. I just saw that the front of the Coleman AC/flashing does not fit tight down to the roof. I haven't noticed any leaks but wonder it this has gotten "lifted" some how?? Do I need to do anything?
No, there is a gasket between the A/C and your roof. It absorbs vibration and seals the outside.
Next time you are on the roof, stand next to the side of the A/C and push on the unit with your lower leg... if it moves you'll need to tighten the bolts inside the RV (see the video for what this looks like).
Here's a video shows how the gasket works and how to replace it. But you don't really need to worry about it unless it's leaking: