Nova Bus is recalling certain model year 2012 Nova LFS transit buses equipped with certain Bendix brake valves, treadle assemblies, and/or plunger kits.The brake valve plunger may fracture after brake application, resulting in reduced brake pedal angle and travel. This condition may limit the driver’s ability to deliver full pressure from the foot brake valve. There is also the potential that the brake plunger could become lodged and prevent the release of the service brakes.