Hi fellas I am new here and I would like to ask the experts. I lifted up the cab of my "new to me" 2005 S130 to find all the important stuff I might need and looking for the case drain filters I can only find the left side. There appears to be NO right side filter in there, where it should be is pretty obvious by the owners manual, but it looks like a hose right from the hydro resevoir to the next connection(not sure yet what the part is). Should my 2005 have both? and why would someone bypass it with a plain hose? Also that whole area is covered in a thick layer of gunk I can only assume it is hydrostatic fluid from a leak at some point, it does not seem to leak now though as the level has stayed the same for the 20+ hours I have used it. I have done all the other fluid/filter changes and would like to change out those case drain filters too, the dealer gave me two of them so I am pretty sure they should be there. any insight?