Post some pics of the top of the dispensers that are leaking. From looking at the parts diagrams it appears that these dispensers are open top. If they overflow they should just drain into the tub. My guess is that they are loose or that they should be sealed to the inside top of the washer.
It appears that you are talking about some combination of parts 21 - 26. What I can't tell from the diagram is how they install and what type of seal should be keeping them from leaking through the cutouts of the part #2 top of washer.
 it wouldn't hurt to take one of those dispensers back out and take a few pics from different angles and post them.