Some 2013-2014 Lincoln MKT vehicles equipped with a 3.5L GTDI engine and built before June 1, 2014, might exhibit a rough idle and/or DTC P0087 after a hot engine restart.

Some 2011-2015 Lincoln MKX vehicles built with a floor shift selector and push button start may exhibit a shift to park message.

Some 2003-2020 Lincoln Navigator vehicles equipped with a transfer case may exhibit a grinding/clicking/ratcheting noise from the front wheel area.

Some 2012-2014 Lincoln Navigator vehicles built on or before May, 13, 2014, may exhibit a driveline clunk at highway speeds better than 70 mph during tip-out drive conditions. 

Some 2013-2014 Lincoln MKT vehicles equipped with a 3.5L GTDI (gasoline turbocharged direct injection) engine and built on or before June 1, 2014, may exhibit a rough idle and/or DTC P0087 after a hot engine restart. 

This bulletin applies to 2013-2018 Lincoln Navigator vehicles.