The contact owns a 2006 Ford F-150. While making a turn at an unknown speed, the vehicle began to shake violently. The dealer stated that the rear differential fluid needed to be refilled. The fluid was replenished, but the failure recurred. The vehicle was taken to an independent mechanic. The technician stated that the rear differential needed to be replaced. The vehicle was not repaired. The manufacturer was notified. The approximate failure mileage was 110,678.

- Rockwell, IA, USA

The contact owns a 2006 Ford F-150. The contact stated that while having the tires changed the mechanic noticed that the rear cover on the differential was covered with rust and caused a leak. The vehicle was repaired for the rear cover and oil was added for lubrication. The manufacturer was contacted. The failure and current mileage was approximately 102,000. Updated 07/08/11 updated 09/16/11

- Farmersville Station, NY, USA

The contact owns a 2006 Ford F-150 equipped with 4 wheel drive. The contact stated that the rear differiential was not functioning correctly and the rear wheels felt as if they were sliding from the rear of the vehicle. Also, the rear of the vehicle seemed to have no traction. He had the rear differential replaced. The contact's major concern was that one could lose control of the entire vehicle if the rear functioned in this manner. The failure mileage was approximately 38,000. The current mileage was approximately 40,000.

- Omaha, NE, USA