Ford F-350 1999 — technical service bulletin
Bulletin 4651 · NHTSA communication 615188 · issued Aug 1, 1998
Technical service bulletin
communication type
Power Train
component
1999
model years
1
vehicle entries
Official summary
Some dual rear wheel vehicles with 6.8 / 7.3l engines built before 6/10/98 may exhibit a chatter noise from the rear axle during turns. *tt
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.