Ford F-150 1997–1999 — technical service bulletin
Bulletin 985200 · NHTSA communication 613017 · issued Nov 1, 1998
Technical service bulletin
communication type
Suspension
component
1997–1999
model years
3
vehicle entries
Official summary
Vehicles built with 3-leaf rear springs may exhibit a rear spring rattle *mjs
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.