Ford F-250 SD 2017–2019 — technical service bulletin
Bulletin SSM 47615 · NHTSA communication 10148736 · issued Oct 25, 2018
Technical service bulletin
communication type
Structure
component
2017–2019
model years
13
vehicle entries
Official summary
Some 2017-2019 F-Super Duty vehicles may exhibit a whistle type noise from under the hood while under load and/or while driving. Make sure there is a proper connection between the air cleaner lower intake duct, located under the battery tray, and the air cleaner. Refer to Workshop Manual (WSM), Section 303-12C and WSM, Section 414-01 for further information.
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.