Good guess, Yes
You could squirt oil down the torque tube, if it disappears that means the oil seal is bad also.
if you install a Okie bushing.
Your 52 has press fit bushings, you will need a bushing puller to pull the front bushing.
Check out this
POST for more Okie info and pictures.
More posts on
Proper lubrication during/after assembly and
HERE
