Safari Gear I Have A 1994 Safari Van With Play In The Steering Gear Box.?

I have a 1994 Safari van with play in the steering gear box.? - safari gear

I play in the steering gear. Is it necessary, the gearbox can be replaced by replacing all or pitman arm. Or is there a setting in the context of strengthening the work. I replaced the idler arm and the other end is good. So when I make a steep turn my bow my tires.