GU1200XTLS3 Whirlpool Dishwasher - Instructions

The video supplied showed me how to take the outer door off but in my case the door would not come loose. Since I did not know if there were other screws holding it I even removed the screws holding the control panel. The outer door still would not budge. After a long time of prying and testing I heard the unmistakable sound of something coming unstuck as I applied pressure to pull the outer door away from the inner door. With a little coaxing and very careful pulling the outer door came loose. The outer door had Styrofoam insulation in several places and under the intense heat of years of dying cycles, had melted and become stuck to the inner door parts. The new part went in easily but I did not tighten the screws enough and my first test some water seeped around the new unit and came out inside the door. I retightened the screws and all is well now.

Due to the posts on this site, I took the advise of replacing the chopper assy. Old chopper did not look bad and seemed to function. Apparently I was wrong. After new chopper was installed, dishwasher worked fine.

Looked parts select site with the model of my dishwasher, found the place the piece belong to that came loose, order the part; it came in a 3 pc kit. Removed end clips of upper rack to take it out of the way, gently pulled the inside highest arm from ceiling of the dishwasher just enough to remove the worn small tac shaped plastic part & replacing it with the new one, then positioned the cone shaped plastic part into the spinner and snapped it into position. . . The part that was size of a tac was only worn out pc but needed replacing to hold the spinner in place.