Ford F-250 1996–1997 — technical service bulletin
Bulletin 97113 · NHTSA communication 51368 · issued Jan 2, 1997
Technical service bulletin
communication type
Engine and Engine Cooling
component
1996–1997
model years
4
vehicle entries
Official summary
An engine vibration and/or "moaning" noise at 2600-3000 rpm may occur on some vehicles. *jd
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.