Ford Explorer 1997–2002 — technical service bulletin
Bulletin 14868 · NHTSA communication 619337 · issued Apr 1, 2001
Technical service bulletin
communication type
Engine and Engine Cooling
component
1997–2002
model years
14
vehicle entries
Official summary
Some vehicles equipped with the 4.0 sohc engine may exhibit a primary chain rattle noise (sometimes described as a spark knock-type noise). *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.