Ford E-450 1997–1999 — technical service bulletin
Bulletin 12186 · NHTSA communication 613239 · issued Nov 1, 1998
Technical service bulletin
communication type
Power Train
component
1997–1999
model years
3
vehicle entries
Official summary
Some e-450 vehicles with the dana 80 model axle may exhibit a customer concern with the level of sound (whine) that is produced above 35 mph. *mjs
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.