Nissan North America (Nissan) notified the agency on July 31, 2015, that they are recalling certain model year 2016 Nissan Maxima vehicles manufactured February 10, 2015, to August 18, 2015. On October 14, 2015, Nissan expanded the recall to cover an additional 41,388 vehicles, including certain model year 2013-2015 Altima 3.5 vehicles equipped with a V6 engine manufactured March 30, 2012, to August 18, 2015 as well as the vehicles covered by the July 31, 2015 notification. In the affected vehicles, due to an improperly installed o-ring that may not have been seated correctly at the time of assembly, fuel may leak during a crash from the area where the fuel sending unit attaches to the fuel tank.