Navistar (Navistar) is recalling certain model year 2013-2015 International DuraStar vehicles manufactured November 2012 through December 2013, International WorkStar vehicles manufactured December 2012 through January 2014, and 2014-2015 International TranStar and International ProStar vehicles manufactured January 2013 through February 2014. The affected vehicles are built with air disc brake feature codes 04WEY, 04WEZ, or 04WZK. These vehicles may have an incorrect number of bolts mounting the brake caliper to the caliper mounting plate and some of the bolts may be improperly torqued.