Ford E Series 1996–1998 — technical service bulletin
Bulletin 15901 · NHTSA communication 637787 · issued May 1, 2002
Technical service bulletin
communication type
Engine and Engine Cooling
component
1996–1998
model years
9
vehicle entries
Official summary
This bulletin states that some 4.6l fqr engine assemblies may have a smaller or larger knock sensor threaded hold than the one in the original engine assembly. *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.