Three problems related to differential unit have been reported for the 2011 Ford F-150. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2011 Ford F-150 based on all problems reported for the 2011 F-150.
The contact owns a 2011 Ford F-150. The contact stated that on several occasions while driving at various speeds, the steering wheel was turned, and the vehicle vibrated violently. The contact stated that the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. Additionally, the contact stated that a rattling sound was coming from the rear of the vehicle. The vehicle was taken to an independent mechanic and a dealer where it was diagnosed that the rear differential clutch pack needed to be replaced. The contact stated that the vehicle failure had recurred. The vehicle was not yet diagnosed or repaired. The manufacturer was notified of the failure and a complaint was filed. The failure mileage was 132,000.
Driving on highway at 70-75 mph, transmission self-shifted from 6th gear to 3rd gear. Damaged the transmission and differential, both requiring repair. Vehicle was difficult to control whe downshift occurred. Could have caused collision.
My 2011 f150 4x4 rear end limited slip differential appears to be locked up. At about 20,000 miles my gas milage dropped from 18. 4 to 17. 1 and a whining noise is now present from the rear differential. Also you can hear the rear tires skip during slow turns at corners or in parking lots.