Navistar, Inc. (Navistar) is recalling certain model year 2013-2015 International TranStar vehicles manufactured April 10, 2012, to December 12, 2014. Excessive engine crankcase pressures may cause the 90-degree elbow of the vent tube assembly to detach from the crankcase ventilation breather, possibly allowing engine oil to come into contact with hot surfaces.
