MDX V6-3.7L (2007)
6. Push the head restraint (A) forward, and check: With a scale, measure the level amount of the head restraint movement. The head restraint should
move more than 50 mm (2.0 in.) without resistance. If it is less than 50 mm (2.0 in.), or the head restraint doesn't move smoothly, replace the
seat-back frame.