Ford Expedition 1997–1998 — technical service bulletin
Bulletin 98B33 · NHTSA communication 607294 · issued May 1, 1999
Technical service bulletin
communication type
Engine and Engine Cooling
component
1997–1998
model years
5
vehicle entries
Official summary
Owner notification for replacement of engine cylinder heads. *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.