I have a 2014 Keystone Alpine 3600 RS. Recently there has been an intermittent leak just below my rear AC Unit at the center of the ceiling by the first seam. No water at the return vents. No water at...
Have you tried tightening the four bolts that hold the A/C to the roof? Pull of the interior trim and you will see the bolts. Be sure to not over tighten them and damage the seal. Also, make sure your condensate drain is not blocked.