TN75 power steering problems

   / TN75 power steering problems #1  

yeehaw

Bronze Member
Joined
Jan 13, 2009
Messages
56
Have a 2003 TN75 that has about 1200 hours on it. Just got finished bush hogging about 20 acres (over three days with a 7fter). Everything worked fine. Next day went to move the tractor and the steering is stiff. Everything else runs out fine, but it is not normal. Looked for leaks and nothing. Any thoughts and is it OK to drive as is?
 
   / TN75 power steering problems #2  
No replies didn't help you out much. I was wondering if you ever found out what your problem was? I have a 2001 TN75S with cab that has just over 3300 hrs on it. Its my second one only because someone stole my first one from the dealer ship's lot after they had done some warranty work on it. The issue I have run into started years ago kindof the same situation. I had bush hogged with it in a little thicket of sweet gum tree's. I would back my batwing up into the trees to let the weight of that bush hog 2615Legend push the saplings over the chew them up. But I had one about 1 inch in diameter lodge itself uner my cab in a set of metal hose kit that I installed to have my front end loader connect and disconnect like the tractor had a mid mount valve instead of having 2 miles of rubber hoses that ran from the loader to the hydro valves on the rear of the tractor. The rubber llines were a pain to zip tie up under the tractor. And were always getting pulled down by something. I wasn't ableto order this ttractor equipped the way I would have liked it since it was purchased to replace the stolen tractor. There were only two in the country that had a cab with a/c, the 16x16 power shuttle, cab & super steer front axle. Any way the sappling bent two of the metal lines which caused a weird noise when I used the joy stick to move the 33LA loader. I was able to get a new set of steel lines so I replaced all four just to be on the safe side. But ever since after the tractor gets warmed up I get a whine noise coming from the hydraulic pumps and gets louder when you use a rear remote or the loader. I have replaced the main pump but it did nothing for the noise. This all happened back in 2006 when it had around 1600-1700 hrs on it. Also the steering gets hard and if you have a bale of hay on the front with no extra weight on the rear it will not turn the tires at all unless you are moving. The steering wheel still will turn if you pull it but its almost like one of the front tires is in a rut. I have had the dealer look it over but they claim its fine. The noise sounds like a car that has a bad power steering pump on it or one that is bad low on power steering fluid. I use to unload pallets of wood pellets for pellet stoves that were just over a ton. I had to place them in a tight area at a friend's business were he sold them. I couldn't put a 3pt bush hog or anything else on the rear lift to aid in taking the load off the front axles. I don't know if that messed my power steering controller thats under the dash that the steering column goes directly in to. I would love to get rid of that noise. Another description of the sound is if you tractor was low on hydraulic fluid and the pump was sucking some air in. Or cavitating I guess would be the name I was looking for.
 

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