News Technical Service Bulletins

Lincoln Gets Clunky at High Speed

Order Reprints

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

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