Ford E-150 1997–2002 — technical service bulletin
Bulletin 15799 · NHTSA communication 637519 · issued Apr 1, 2002
Technical service bulletin
communication type
Power Train
component
1997–2002
model years
18
vehicle entries
Official summary
Some vehicles equipped with 4r70w transmission (driveshaft >70 inch) may exhibit a vibration / roughness on acceleration or under load at about 50-55 mph. *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.