The other scenario is.Lack of grease and rusted, hard steering, noise, or can have memory steer.Make a turn- won't return to center on it's own,make a turn-continues to pull in that direction.If rusted like that,It will be a bear to get them apart.I've done a few old ford trucks that were so stiff,The p.s. hose blew apart.check for play,stiffness.