Ford F-250 SD 2011 — technical service bulletin
Bulletin AS-21766 · NHTSA communication 10039052 · issued Mar 1, 2011
Technical service bulletin
communication type
Suspension
component
2011
model years
4
vehicle entries
Official summary
Ford: in cold weather there is a front hub engagement concern. 2011 f super duty. *rm
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.