We just opened our pool last Friday and I thought it seemed louder than before. This is the pump's third year. At first I thought I'm just not used to the sound after a long winter break. In any case I noticed the pump is leaking from the bottom and did some research and I understand a seal is the most likely culprit. Can this also account for the louder pump? It sounds sorta normal but maybe a higher pitched kinda whir to it. I watched some of the videos on youtube showing worn bearing and it does not sound like that.