68 barracuda steering pump question

If you see a nut in front of the pulley, then it comes off easy, after the nut is removed....... obviously, lol.
If no nut, then it is pressed on, and you need a specific tool to RnR it. I got mine off the tool truck.
In my experience, the pressed-on ones are daymn tight. When you get the tool, take it apart and put a friction modifier on the threads, so it will last more than just once or twice.