By John Dumoulin.
The National Highway Traffic Safety Administration’s Office of Defects Investigation (ODI) has opened a Preliminary Evaluation regarding alleged master cylinder failures in model year 2013-2014 Ford F-150 full-size pickup trucks with 3.5L engines, potentially affecting an estimated 420,000 vehicles. According to ODI, consumers report loss of brake effectiveness in the vehicles, possibly caused by brake fluid leaking from the master cylinder into the brake booster (NHTSA ODI Investigation, No. PE16-003, February 29, 2016).
ODI has received 33 reports alleging master cylinder failures in model year 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 model year 2013-2014 F-150 sales.
The complaints allege symptoms of the brake pedal going to the floor with a 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 that repair facilities diagnosed the problem as brake fluid leaking from the master cylinder to the brake booster. Thirty-one of the reports were received in the last 12 months, including 20 in the last seven months. Four complaints allege that the alleged defect resulted in collisions.
ODI said it has opened a Preliminary Evaluation to assess the scope, frequency, and safety-related consequences of the alleged defect.
Companies: Ford Motor Co.
MainStory: TopStory NHTSANews MotorVehiclesNews
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