Some 2011-2015 F-150 vehicles equipped with a 3.5L EcoBoost engine and built on or before 29-May-2015 may exhibit a ticking/tapping or rattle type noise from the top front cover area of the engine upon initial start-up that may last for 2-5 seconds after a cold soak of 6 hours or more. Follow the Service Procedure steps to correct the condition.
