Ford Aerostar 1994–1997 — technical service bulletin
Bulletin 97090297189 · NHTSA communication 54075 · issued Sep 2, 1997
Technical service bulletin
communication type
Engine and Engine Cooling
component
1994–1997
model years
12
vehicle entries
Official summary
Experiencing a "thumping" noise or tempeature gauge fluctation with some vehicles. *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.