Ford Bronco 2021–2023 — technical service bulletin
Bulletin SSM 51227 · NHTSA communication 10228842 · issued Dec 1, 2022
Technical service bulletin
communication type
Service Brakes, Hydraulic
component
2021–2023
model years
3
vehicle entries
Official summary
Some 2021-2023 Bronco vehicles equipped with a 2.7L or 3.0L EcoBoost engine may exhibit noises coming from the brake pedal while applying and/or releasing the brake pedal or while the vehicle is off without brake pedal application. A single click and/or clunk may be heard during brake pedal application and again on brake pedal release and is considered normal. Clicking may also be heard while the vehicle is off, and without the brake pedal being applied. The clicking heard with the vehicle off is due to the EBB going through the normal shut-down process. The amount of noise will vary between E
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.