I have no idea on what you are talking about or why you are changing racks
But you have to pull the whole rack out.
Looks like this
First you have to undo from the steering yoke in the engine bay.
Then im not sure if you have to but undo the rubber boot at the fire wall.
Sounds as if you are trying to remove just the housing..you cant unless you take the indicator stalk and ignition/steering lock component off.