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October 12, 2018 Service bulletin

Certain 2014-2016 Model Year F-250 ? F-550 and 2016 Model Year F-650

Ford technical service bulletin 18N04 for 2018 Ford F-150, 2014-2016, 2019 Ford F-250 SD and 2014-2016, 2019 Ford F-350 SD and others.

Bulletin number
18N04
Component
Engine and engine cooling: exhaust system: emission control: crankcase (PCV)
Summary
Certain 2014-2016 Model Year F-250 ? F-550 and 2016 Model Year F-650 - F-750 Vehicles, With 6.7L Diesel Engine - Crankcase Ventilation Oil Separator Assembly. Certain 2018 Model Year F-150 and 2019 Model Year F-250 through F-550 Superduty Vehicles Equipped with a Diesel Engine - Powertrain Control Module Reprogramming

Owners of these vehicles have filed 800 complaints in the engine category.

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