During service and repair of the 2.7L/3.0L EcoBoost achieving proper torque of the crankshaft pulley bolt is critical. Incorrect torque may allow the bolt to loosen resulting in the timing gear breaking and engine damage.
Some 2017-2018 F-150 vehicles equipped with a 3.5L EcoBoost engine built at Kansas City Assembly Plant on or before 23-Feb-2018 or Dearborn Truck Plant on or before 26-Feb-2018 may exhibit an oil leak from the oil pan RTV seal.
Some 2013-2018 F-150, 2015-2018 Transit/Expedition, and 2015-2017 Navigator vehicles equipped with a 3.5L EcoBoost engine with greater than 20,000 miles may exhibit a tick type noise from the cylinder block area.
Some 2018 F150, Navigator and Expedition vehicles equipped with 3.5L EcoBoost engine may experience malfunction indicator lamp (MIL) illumination with Diagnostic Trouble Code(s) DTC P0365 and/or P0369.