Ford F-250 SD 1999–2000 — technical service bulletin
Bulletin 8167 · NHTSA communication 613622 · issued Apr 1, 2000
Technical service bulletin
communication type
Power Train
component
1999–2000
model years
8
vehicle entries
Official summary
Some vehicles may exhibit a condition of no 4x4 low engagement or stuck in 4x4 low engagement, with no dtc's stored in the gem. **mr
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.