Some 2012-2014 Lincoln Navigator vehicles built on or before May 13, 2014, may exhibit a driveline clunk at highway speeds over 70 mph during tip-out drive conditions. Reprogram the PCM to the latest calibration using IDS release 90.03 and higher. Calibration files are available at www.motorcraft.com.

About the Author

Information courtesy of Mitchell 1

Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.

About the Author

Mike Mavrigian | Editor

Mike received a BA degree from Youngstown State University in English Literature with a minor in Journalism in 1975.