Ford F-150 2011 — technical service bulletin
Bulletin AS-21459 · NHTSA communication 10039204 · issued Aug 1, 2010
Technical service bulletin
communication type
Engine and Engine Cooling
component
2011
model years
3
vehicle entries
Official summary
Ford: there is a clicking noise coming from the engine. 2011 f250/f350/f150 raptor. *rm
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.