The Office of Defects Investigations (ODI) is an office within the NHTSA which investigates serious safety problems in the design, construction or performance of vehicles. The NHTSA is authorized to order manufacturers to recall and repair vehicles, if the ODI finds a safety issue. NHTSA investigations for the 2014 Ford F-150, both ongoing and closed, are listed below:

  1. INVESTIGATION: Master Cylinder External Leak

    NHTSA Preliminary Evaluation #PE16003

    Component(s): Service Brakes
    Service Brakes, Hydraulic
    Service Brakes, Hydraulic:Fluid
    Service Brakes, Hydraulic:Foundation Components:Master Cylinder

    Summary: The Office of Defects Investigation has received 33 reports alleging master cylinder failures in model year (MY) 2013 through 2014 Ford F-150 full size pickup trucks.All of the reports involve F-150 trucks equipped with 3.5L engines, with an estimated 420,000 units sold in the United States representing approximately 36 percent of MY 2013-2014 F-150 sales.The complaints allege symptoms of brake pedal going to the floor with complete loss of brake effectiveness, brake warning lamp illumination, and/or low or empty master cylinder reservoir fluid level with no visible leakage.Several complaints allege repair facilities diagnosed the problem as brake fluid leaking from the master cylinder to the brake booster.Thirty-one (31) of the reports were received in the last 12 months, including 20 in the last 7 months.Four complaints allege that the alleged defect resulted in collisions. A Preliminary Evaluation has been opened to assess the scope, frequency, and safety-related consequences of the alleged defect.The ODI complaints cited above can be viewed at under the following ODI identification numbers:10818273, 10817706, 10809601, 10788886, 10788369, 10785526, 10779854, 10776834, 10766291, 10762034, 10761412, 10760663, 10758997, 10750065, 10749886, 10748122, 10747875, 10747531, 10746143, 10745511, 10744847, 10743344, 10733196, 10733023, 10731327, 10725476, 10725096, 10725046, 10724169, 10715103, 10692723, 10662564, and 10632103.