Ford F-150 2011–2013 — technical service bulletin
Bulletin ASI-32235 · NHTSA communication 10053410 · issued May 1, 2013
Technical service bulletin
communication type
Suspension
component
2011–2013
model years
3
vehicle entries
Official summary
Ford: on some trucks, while operating in 4x2 mode, there will be noise coming from front hub integrated wheel end (iwe) and will cease once shifted into 4x4 mode. Models 2011-2013 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.