Ford Bronco Sport 2021–2022 — technical service bulletin
Bulletin 21B55 · NHTSA communication 10201644 · issued Sep 10, 2021
Technical service bulletin
communication type
Power Train
component
2021–2022
model years
6
vehicle entries
Official summary
Certain 2021 and 2022 Model Year Bronco Sport, Maverick, Escape, Corsair, Edge, and Nautilus equipped with an 8F35 Transmission Automatic Transmission Fluid Level Check; In some of the affected vehicles, the transmission may have been over filled with transmission fluid. Transmission that are overfilled may result in likelihood of transmission fluid aeration, degraded shift quality in the vehicle, accelerated wear on bushings and bearings, and reduced cooling in the transmission.
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.