Ford F-250 SD 1999–2000 — technical service bulletin
Bulletin 13926 · NHTSA communication 612864 · issued Mar 1, 2000
Technical service bulletin
communication type
Power Train
component
1999–2000
model years
4
vehicle entries
Official summary
Information in using correct 10.5-inch axle pinion depth gauge disc. *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.