Ford Windstar 1999–2000 — technical service bulletin
Bulletin 13957 · NHTSA communication 612939 · issued Mar 1, 2000
Technical service bulletin
communication type
Power Train
component
1999–2000
model years
2
vehicle entries
Official summary
Some vehicles may exhibit a drone (audible noise) and a tactile vibration in the steering wheel (higher frequency buzz) at 1350 - 1400 rpm (40-45 mph) under a light load with the torque converter locked in 3rd or o/d. *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.