Lincoln Navigator owners have reported 1 problem related to transmission shudder (under the power train category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Lincoln Navigator based on all problems reported for the Navigator.
Upon accelerating vehicle would shift through the gears. When getting set to shift into overdrive the transmission made a grinding sound. Felt like highway right of way reminders to wake up the occupants. This happened before and I had the vehicle inspected 4 times and the dealer couldn't explain. Tranny flush cured the problem. This was at 25,000miles. It is back again at 55,000 miles. It feels unsafe. If this locks up at 55mph my family is in danger!.
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