Ford Windstar 1998 — technical service bulletin
Bulletin 9811451 · NHTSA communication 603605 · issued Apr 1, 1998
Technical service bulletin
communication type
Visibility
component
1998
model years
1
vehicle entries
Official summary
Vehicles may exhibit a high pich whistle from the heater core housing case. *yc
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.