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March 20, 2026 Service bulletin

Some 2021-2026 F-150 vehicles equipped with a 5.0L/5.2L engine, 2021-2025 F-Super Duty/F-53 Motorhome/F59...

Ford technical service bulletin SSM 54678 for 2021-2026 Ford F-150, 2021-2025 Ford F-250 SD and 2021-2024 Ford F-350 SD and others.

Bulletin number
SSM 54678
Component
Engine
Summary
Some 2021-2026 F-150 vehicles equipped with a 5.0L/5.2L engine, 2021-2025 F-Super Duty/F-53 Motorhome/F59 Commercial Stripped Chassis vehicles equipped with a 6.8L/7.3L engine and 2021-2025 E-Series/F-650/F-750 vehicles equipped with a 7.3L engine may exhibit a rattle/scraping noise upon startup that may remain after the engine is running. Workshop Manual (WSM),

Owners of these vehicles have filed 310 complaints in the engine category.

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