Ford Bronco 2007–2024 — technical service bulletin
Bulletin SSM 54275 · NHTSA communication 11024271 · issued Oct 7, 2025
Technical service bulletin
communication type
Engine
component
2007–2024
model years
25
vehicle entries
Official summary
Some 2021-2023 Explorer vehicles equipped with a 3.0L EcoBoost engine, 2021-2023 Aviator vehicles equipped with a 3.0L EcoBoost or 3.0L plug-in hybrid electric vehicle (PHEV) engine, 2021-2023 Edge/Nautilus vehicles equipped with a 2.7L EcoBoost, 2021-2024 F-150 vehicles equipped with a 2.7L EcoBoost, and 2021-2024 Bronco and 2024 Ranger vehicles equipped with a 2.7L or 3.0L EcoBoost engine may exhibit a ticking/tapping or rattle type noise from the top front cover area of the engine. This noise may occur on initial start-up after a cold soak of 6 hours or more that may last for 2-5 seconds. T
Vehicles covered
- 2021 Ford Bronco
- 2022 Ford Bronco
- 2023 Ford Bronco
- 2024 Ford Bronco
- 2021 Ford Edge
- 2022 Ford Edge
- 2023 Ford Edge
- 2021 Ford Explorer
- 2022 Ford Explorer
- 2023 Ford Explorer
- 2021 Ford F-150
- 2022 Ford F-150
- 2023 Ford F-150
- 2024 Ford F-150
- 2024 Ford Ranger
- 2021 Lincoln Aviator
- 2022 Lincoln Aviator
- 2023 Lincoln Aviator
- 2021 Lincoln Aviator PHEV
- 2022 Lincoln Aviator PHEV
- 2023 Lincoln Aviator PHEV
- 2007 Lincoln MKX
- 2021 Lincoln Nautilus
- 2022 Lincoln Nautilus
- 2023 Lincoln Nautilus
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.