Another thing to do is crawl up under the right rear where the ac duct comes out of the ac unit and goes up that square duct toward the ceiling. They have a tendency to come apart at the seam and you will lose cold air. They are easily taped back with a good quality aluminum tape as long as you can reach the area.
Barry & Sue Miller("extended" RVer's, 6 mos + per/year) combined trips.
04 Journey 39K, C-7, 330 hp, towing: 02 Dakota 4X or 2013 Ford Edge AWD, Aero 5050XL, ReadyBrake.