This page from the service manual shows where the location of the recirc hose and explains its function:
And Chief Master Appliantologist DADoESTX explains the technique:
The basket *does not* need to be removed. Raise the top, take off the tub ring. Release the tab on top of the recirc tube where it anchors to a slot at top of the outer tub, and pull the tube straight upwards to remove it. Press the replacement tube down into place on the connector nipple/nubbie at bottom of the tub, anchor the tab. Reassemble the tub ring and machine top.
Here's the part link to the replacement recirc hose ==> http://bit.ly/UfJxEu
Source: K/M 110.25066500 hose replacement