I have a 2007 bx2350. I changed fluids and filter in October2016 and a few days ago while tilling the garden the seal blew out of my hydro filter and was blowing out fluid. I changed filter and fluid and started back up. I ran it for about 15 mins and then shut it down. Went back the next day started it up and as I drove to the garden I saw a trail of hydraulic fluid behind me. I looked underneath and saw fluid coming out the seal of the filter again. My dip stick never came out and it's clean. Also I pulled the relief valve and it was clean as well. Oh and when I changed the new filter I pulled the screen at the bottom of transmission and it was clean as well. when I pulled the relief I saw a plug inside but couldn't get it out. Can someone possible tell me what's going on? Help please!