Hi all first post. Have been helping a neighbor get his families 1953 John Deere model 40 running. Now runs well but steering is almost seized up. Have read that bad worm gear,plate studs could be the problem. Have removed the steering worm gear, disconnected tie rods from steering pedestal. All that remains is the vertical shaft with plate and studs, and what the parts manual calls the upper spindle at (the bottom). With everything else disconnected it should rotate easily but it does not, still seized. Neighbor did mention in the past someone may have struck a post or tree with a front wheel. It does have a wide front end. Guessing this caused the problem. If so, parts manual does not make clear to me how to remove the vertical shaft or the upper spindle or what holds them in place. There was gear oil in the top with worm gear. Also found where oil is in the steering gear support. It also had gear lube in it. Is there some place I missed? Once worm gear was removed I did put a tire iron under the stud plate to see if I could move the vertical shaft but it was rock solid. For full disclosure I have posted this problem in two other forums. They were kind and wished me luck, but could not help me solve the steering problem. Hoping someone here can help. Once the steering issue is resolved this will be a nice usable tractor.