We have a 2013 New Holland TS6 120 with the power shuttle. A few days ago the steering started acting up. With the front end jack up and tires off the ground u can not turn the wheel at idle. Not till about 1800 or so rpm's can you start to turn the wheel. As far as normal driving goes even at 2000 rpm's its pretty much not usable. All 3 hydro filters have been changed. We jacked it up and took the tie rod ends of each side and it made no difference. Tractor has 950 hours on it. Nobody can look at it for a month or so and we need it now. Any ideas?