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Join Date: Jan 2013
Location: La Grande, Oregon
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Does it do this with the front end off the ground? Could be cheap ball joints, but my money is on a bad steering stabilizer.
The way to check those u-joints is get a small bar in there and gently pry up on the yoke, if you can see movement between the u-joint and the other yoke it needs replaced. If they were binding bad enough that you'd feel it through the steering wheel, you should notice a binding point when you check them by hand. To check for spin-binding, spin the wheel with it turned, not straight. The angle helps show whether the needle bearings are starting to go or not.
2005 King Ranch F-350: Studded and O-Ringed, BPD Oil Bypass, 205/30s, Stage 2 KC Turbo, ODAWG Ported Manifold, 4" TB Exhaust, Stage 2 AFE Intake, Billet Torque Converter, BPD 58V FICM, BPD Water Pump
2.5" Leveling Kit, 35s, Fusion Bumpers, ProTech Headache Rack, OnBoard Air, and a few other goodies