Ford F250 1988–1997 — technical service bulletin
Bulletin 98158 · NHTSA communication 609538 · issued Aug 3, 1998
Technical service bulletin
communication type
Suspension
component
1988–1997
model years
19
vehicle entries
Official summary
Front end shimmy may occur at various driving speeds and is usually induced when hitting bumps, such as large potholes or rough railroad crossings. Shimmy is not always verified during road test. *ak
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.