After washing the bus yesterday, I noticed there was a little water on the inside of one of my window sills inside the bus. We have rather high water pressure in the park, and I sprayed it directly on and around the window.

My question is, "has anyone replaced the window seals or can/should silicone or other sealer be placed under the seal (like on an auto windshield) to make it water tight again? I had this same thing to happen about a year ago, but after spraying water on it several times with a hose, I could never duplicate the problem.