Ford F-250 SD 2011 — technical service bulletin
Bulletin AS-21448 · NHTSA communication 10039152 · issued Aug 1, 2010
Technical service bulletin
communication type
Engine and Engine Cooling
component
2011
model years
6
vehicle entries
Official summary
Ford: the vehicles may exhibit an oil leak from the top of the left side of the engine. It may collect around the fuel injectors. *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.