Ford Econoline 1998–1999 — technical service bulletin
Bulletin 011406 · NHTSA communication 621140 · issued Jul 1, 2001
Technical service bulletin
communication type
Engine and Engine Cooling
component
1998–1999
model years
3
vehicle entries
Official summary
Some vehicles equipped with a powerstroke diesel engine may exhibit a noise above the normal sound of the diesel combustion. *tt
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.