Ford E-150 1999 — technical service bulletin
Bulletin 6383 · NHTSA communication 610654 · issued Jul 1, 1999
Technical service bulletin
communication type
Power Train
component
1999
model years
3
vehicle entries
Official summary
Some vehicles equipped with 5.4l and 4r70w transmision may exhibit a fluid leak at the extension housing area. *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.