Ford F-150 2021–2022 — technical service bulletin
Bulletin 22B34 · NHTSA communication 10232569 · issued Feb 14, 2023
Technical service bulletin
communication type
Suspension
component
2021–2022
model years
2
vehicle entries
Official summary
Certain 2021-2022 Model Year F-150 Vehicles Equipped with 9.75 HD Axle à ¾ Float Axle Rear Axle Half-Shaft and Hub Assembly Replacement
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.