Ford F-150 2009–2014 — technical service bulletin
Bulletin ASI-44383 · NHTSA communication 10055041 · issued Jan 1, 2014
Technical service bulletin
communication type
Equipment Adaptive/mobility
component
2009–2014
model years
6
vehicle entries
Official summary
Ford: while repairing the front axle, damage to pinion bearing is noted after operating in severe cold climates. Model 2009-2014 f-150. *pe
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.