Ford F-250 SD 1999 — technical service bulletin
Bulletin 5379 · NHTSA communication 615452 · issued Dec 1, 1998
Technical service bulletin
communication type
Suspension
component
1999
model years
4
vehicle entries
Official summary
Some vehicles may exhibit a noise from the front leaf springs. *tt
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.