is there a repair part for a taurus transmission to sturdy up the axleshaft ? on 2004 Ford Taurus

while replacing said shaft note that it is seated properly in the trans it moves around excessively and i am concerned the seal may be damaged

Asked by for the 2004 Ford Taurus
I haven't changed an axle shaft so I don't have a sense of how snug it should be in the transmission.I would suggest asking someone who has done a few for his opinion.
I would think that the car would have been leaking from that area if the seal was defective.
Sloppiness of the shaft suggests a worn transaxle bearing in my mind.