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RecallGazette

Vehicle problems, recalls & safety intelligence

Ford F-250 SD 2011–2022technical service bulletin

Bulletin SSM 51251 · NHTSA communication 10228867 · issued Dec 13, 2022

Technical service bulletin
communication type
Engine and Engine Cooling
component
2011–2022
model years
48
vehicle entries

Official summary

Some 2011-2022 F-Super Duty vehicles equipped with a 6.7L diesel engine may exhibit a ticking noise at idle after an engine oil change. It is often referred to as Typewriter Noise because of its similarity to the sound of a mechanical typewriter. When engine temperatures reach 150 à °F (65 à °C) or higher, (from engine idle up to approximately 1700 RPM's), this noise can typically be heard at the front wheel well and is often isolated to the transmission bell housing or oil pan area. Typewriter Noise is not detrimental to engine function or durability and has no short or long term effects on

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.