Ford Explorer Sport 2001 — technical service bulletin
Bulletin 15655 · NHTSA communication 630711 · issued Feb 1, 2002
Technical service bulletin
communication type
Engine and Engine Cooling
component
2001
model years
1
vehicle entries
Official summary
Some vehicles equipped with a 4.0l sohc engine may exhibit excessive sulphur smeel from the exhaust when operating under certain drive modes. *tt
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.