Ford F-250 2011–2012 — technical service bulletin
Bulletin TSB-13-4-3 · NHTSA communication 10052196 · issued Apr 8, 2013
Technical service bulletin
communication type
Engine and Engine Cooling
component
2011–2012
model years
8
vehicle entries
Official summary
Ford: some super duty trucks, with a steady throttle, will experience, with or without, an engine shudder or turbo flutter noise, in the engine, around 900-1400 rpm. Models 2011-2012 f-250, f-350, f-450. *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.