One problem related to steering gear box has been reported for the 2008 Ford F-350. The most recently reported issues are listed below.
Letter from senator brown on behalf of constituent re his Ford truck gas pedal accelerating, causing him to crash (dot/I#2010-1130) the consumer stated while driving on a rural road, the steering locked up and the gas pedal became stuck which caused the vehicle to accelerate out of control and crash into an embankment. The consumer was knocked unconscious and when he came to the accelerator pedal was pressed to the floor. He was able to release the accelerator pedal so he proceeded to move the vehicle to the side of the road. As he did that, the steering locked up a second time, so he turned off the engine and waited for the police to arrive. The consumer suffered a mild concussion. The consumer stated Ford nor his insurance company were willing to pay for the repairs for the defective steering box.