Ford Expedition 1997 — technical service bulletin
Bulletin 97713 · NHTSA communication 51920 · issued Mar 31, 1997
Technical service bulletin
communication type
Suspension
component
1997
model years
2
vehicle entries
Official summary
Noise- "buzzing"- underhood when air suspension is in operation. *jd
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.