If you are referring to the Pittman arm attached to the steering box, you will require a special puller, you will not get it off with out one, normally there is not enough room for a conventional puller due to access limitations.
Apr 2, 2013 at 9:54 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.