Ford Expedition 1997–1999 — technical service bulletin
Bulletin 985185 · NHTSA communication 613316 · issued Nov 1, 1998
Technical service bulletin
communication type
Engine and Engine Cooling
component
1997–1999
model years
12
vehicle entries
Official summary
Cold start engine noise
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.