Tim, to make proper determination of what is going on with your tub, you would have to disassemble the cabinet. You should find some springs on the top of the drum and couple of shock absorbers on the bottom. There are also some concrete counter weights surrounding the tub. Take a look and see what you find
REMOVING THE WASHER FRONT PANEL
Removing the washer front panel will require that the door switch be removed and the boot be separated completely from the front panel opening.
The console must also be removed.
Next, remove the three screws securing the toe panel to the front of the washer and remove the toe panel by lifting slightly and pulling forward.
Remove the two screws securing the bottom of the front panel to the washer, and the two screws securing the top of the front panel to the washer. The front panel can now be removed from the washer.