One problem related to suspension noise has been reported for the 2006 Lincoln Navigator. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2006 Lincoln Navigator based on all problems reported for the 2006 Navigator.
Suspension is making noises, and the running board is rusty and bolts came out or broke off, and there is a crack in it, had I not been holding on when I got out of car I would have falling. I had it check and the other side is rusty also and about to come off.