Seven problems related to brake master cylinder have been reported for the 2011 Ford F-150. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2011 Ford F-150 based on all problems reported for the 2011 F-150.
Master brake cylinder out brake fluid has gone into booster from booster it has gone into the engine and blown the engine and drive train. Towed to les schwab 11/02/2021 by roadrunner towing.
Brake failure - 2011 Ford F-150, 6 speed transmission, brakes failed from a firm response to zero response (brake peddle went full in). Shop informed me master cylinder seal failed dumping brake fluid into the booster. Sensor also in failed condition. All three parts need replaced. Ford recall out for this condition on 2013-2016 F-150 6 speed trucks. This condition is the same for my 2011. Ford has told me that recall does not apply to my vehicle although similar. I was able to bring truck to a stop from 35 mph on a city street. Truck stopped about 6 ft into intersection. No collision or wreck occurred. Truck in repair at this time.
Had complete brake failure. Was able to get the truck stopped. Saw it was 2 pints low on fluid. Added fluid, drove towards my auto shop, had to stop to fill the brake fluid again (the light went on this time). Did this a few times. Just before I got to the stop, the truck blew out some smoke, chugged, and the motor seized up. Towed the truck to the shop, they found out the master cylinder leaked and the vacuum lines sucked the brake fluid out of the master cylinder and dumped it into the cylinders in the motor and this blew my motor. I hear there is a recall for this on 2014 F-150s but not on the 2011. Terrible design. A brake problem should not blow up my motor.
Master cylinder booster. Backed out of drive and went forward. Pushed brakes and the brake pedal went all the way to floor. This happened on a city street with no warning. Took truck to Ford dealer and they replaced master cylinder bypass and bleed system. There is a recall on the -150's but was informed mine wasn't covered.
I was pulling into a drive and my brake pedal went all the way to the floor. Luckily there was not a car in front of me, however it took much longer to stop the truck. My mechanic said it was the brake master cylinder. . . At 50k miles, Ford should cover this.
The brakes on my 2011 Ford f150 failed due to a master cylinder failure. The engine then injested the brake fluid and blew the engine. Ford refused any repairs.
The contact owns a 2011 Ford F-150. While driving approximately 65 mph, the brakes failed to stop the vehicle in a timely manner when the pedal was depressed. In order to stop the vehicle, the contact had to depress the brake pedal to the floor while swerving to allow more time for the stop to occur. The failure recurred. The dealer diagnosed that fluid leaked from the master cylinder into the brake booster, which depleted the brake fluid in the master cylinder and led to the brake failure. The master cylinder needed to be replaced. The vehicle was not repaired. The approximate failure mileage was 65,000.