Ford F-150 1992–1997 — technical service bulletin
Bulletin 98122 · NHTSA communication 605598 · issued Jan 19, 1998
Technical service bulletin
communication type
Visibility
component
1992–1997
model years
16
vehicle entries
Official summary
Performance enhancement for defroster. *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.