Hey guys, So I just got back from Portland and went to fire up my 94 7.3idi to line it up with my plow (first snow fall is just starting) and the damned thing wont start. I had the "Fuel Filter" light come on right before shutting it down last week so I pulled the filter aaand it has layers of ice in it. I have a replacement filter but I have an issue. The bottom piece of the filter wont unscrew. I think thats the water separator? It turns and turns but doesnt unthread. Can I replace the filter with the style that does not have the piece on the bottom?