Brake Master Cylinder Problems of Ford F-150 - part 2

2015 Ford f150 brake failure, early June 2020. Vehicle had less than 50k miles when the brake pedal went to the floor. No accident as the failure happened overnight. Brakes seemed fine after a 660 mile trip with a trailer in tow. Parked the vehicle and the next morning the warning light came on and their was almost no brake fluid in the master cylinder resevior. I towed the vehicle to Ford auto nation in the dfw area and it required a $1400 repair. Today I learned of the recall - recall 20s31. This repair will be completed free of charge parts and labor. I had the Ford dealer do the work, I assume I am entitled to a 100% refund? any help I can get would be appreciated.

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Master cylinder and brake booster failure - 2015 Ford f150 s-crew 56k miles. . Without any warning, the brake pedal went to the floor and fluid level warning appeared. Added brake fluid and took the vehicle to the dealership. After a diagnostic it was determined that the master cylinder and brake booster needed replacement. Fortunately when this occurred I had just started the vehicle to return home from work. There was a recall for this specific issue on the 2013 and 2014 model, but not for the 2015 which seems to be following suit.

We had sold the house and were moving. Truck was parked in front of house with travel trailer attached to hitch. Preparing to drive away, and had no brakes. Checked brake fluid and had none. Took other car to purchase, came back and filled, and brake fluid all drained out. Had to unhook trailer and have vehicle towed. Local dealer replaced master brake cylinder and booster the next day. Spent $719 plus finding accommodations for the night, dealer said there was no recall at that time. Drove nearly 600 miles, and that night we lost power. Andhad to have the truck towed again. This time they said it was a defective throttle body. Had to stay 1 night in a hotel, then 3 more nights in an RV park waiting for parts, and spent $445 in repairs. Our move was delayed several days with all of this, due to a truck that had less than 60,000 miles on it, and has been well maintained. I since inadvertently found out that master cylinder and booster have now been recalled, but I have to physically go to a Ford dealer to request a refund, and was told it could take 6-8 weeks. I was also told that it would not cover the throttle body. I don't understand how our truck that has not given us any problems before could have these two major issues back to back without them being related. All of this has set us back nearly $2000.

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Complete brake failure. Olny wearning was indicated that the brake fluid was low. Ford dealer stated that the brake fluid from the master cylinder leaked into the brake booster and contaminated the brake vacumm sensor and manifold tube, . Replaced all items.

Break master cylinder and break booster went out. No notice when driving.

Tl the contact owns a 2016 Ford F-150. The contact stated while driving 40 mph, the low brake fluid level warning light illuminated. The brake pedal was depressed and went to the floorboard. The contact stated that the vehicle slowly decelerated with the brake pedal depressed. The contact pulled into the residence and the vehicle was parked. The contact drove 10 mph to earnhardt Ford located at (7300 w orchid ln, chandler, az 85226), to be diagnosed. The contact was informed that the brake master cylinder needed to be replaced and the brake system needed to be bled. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 57,500.

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Sudden warning indicator with "low brake fluid" followed by loss in brake pressure. Used e-brake to stop. No visible leaks at master cylinder or any of the 4 calipers. Refilled fluid and drove to a brake shop. Diagnosed as master cylinder leaking into brake pressure booster. Replaced master cylinder, fluid bleed/flush.

Tl- the contact owns a 2016 Ford F-150. The contact stated that while driving approximately 65 mph the warning messages and alarm suddenly activated indicating a failure in the braking system. Approximately 5 minutes later the brake pedal to extended to the floor when attempting to stop the vehicle causing the braking distance to be extended. The vehicle was towed to the local dealer fiesta Ford located at 78990 varner rd, indio CA. Who diagnosed that the the brake master cylinder had leaked and the brake booster had failed. The vehicle was not yet repaired. The manufacturer was notified of the failure. The failure mileage was 32,000. Jft.

Tl- the contact owns a 2016 Ford F-150. The contact stated that after starting the vehicle the message regarding a brake system error had displayed and when pressing the brake pedal the brakes were less responsive. The vehicle was taken to an independent mechanic who diagnosed that the master brake cylinder had failed and fluid had been misguided into the brake booster. The master cylinder was order from the manufacturer and replaced and the failure was remedied. The contact indicated the same model year vehicle was later recalled NHTSA recall campaign number 20v332000(service brakes) but the VIN was not included. The contact stated that the vehicle had experienced the same failure listed in the recall. The failure mileage was 70,000. Jft.

My wife was driving our 2 girls to our nanny's home and the brakes completely failed on her while she was driving. Fortunately she did't get too far. And thank goodness we were not traveling our normal commute which is on a 75 mph highway. I love my truck, but now I feel unsafe driving it. It is sitting now until Ford fixes it. The more information I read and collaborate, the more disappointed I am in this vehicle and manufacturer. We already had one safety incident with this truck as the rear driver's side passenger seatbelt was installed backwards! now the brakes failing completely while driving is the last straw. What is shocking to me is that there was a recall for this as far back as 2015 however, some of the faulty parts (master brake cylinder) trickled into production. This recall had to do with the brake master cylinder and if the vehicle was equipped with the faulty part, it could lose all of it's braking capability. Again, I am thanking my lucky stars that all of my girls are ok, but this is unaccep as a vehicle should not lose 100% of braking while in use. What if this happened on the highway we travel every week? have a look at the attached photos. An empty brake fluid reservoir and zero brake fluid--anywhere.

Tl-the contact owns a 2015 Ford F-150. The contact stated that while reversing, the low service brakes warning light illuminated and the brake pedal was stiff while depressing. In addition the contact mentioned after multiple chance of depressing the brake pedal, the brake pedal became soft and the brakes traveled to the floorboard. The emergency brakes was operated. The vehicle was towed to an independent mechanic where it diagnosed that the brakes and brakes master cylinder booster needed to be replaced. The vehicle was repaired. The contact contacted brad howell Ford 2170 e blvd st, kokomo, in 46902 where they informed the contact the vehicle warranty was expired. The manufacturer was notified of the failure. The approximate failure mileage was 52,000. Ak.

Tl-the contact owns a 2015 Ford F-150. The contact stated that while driving at 30mph, the vehicle brake seized without warning. The contact managed to downshift the gear which allowed the contact to drive to a independent mechanic where the contact placed transmission fluid but still the brakes failed to engage properly. The vehicle was then taken to the dealer where it was diagnose that the master cylinder failed and needed to be replaced. The vehicle at this time is begin repaired. The contact mentioned NHTSA action number: rq16001 service brakes, service brakes, hydraulic) as a possible solution to the failure. The manufacturer was not made aware of the failure. The failure mileage was approximately 162,000. Ck.

The brake master cylinder went out while I was driving and I nearly hit the car in front of me. When I took the truck into the shop, I was told that the master cylinder had a leak and would not consistently hold pressure so it had to be replaced. After doing some research, I found a recall by Ford with recall id 16s24 for this exact same problem and when I was told what needed replaced, it was almost word for word what this recall stated. I found this information after I had already gotten the master cylinder replaced so I called Ford to speak with their recall department. I was told that this issue was not covered by the recall because my truck was manufactured after the date of what was defined in the recall. It seems to me that a truck built in the same year that had master cylinders affected would be covered by the recall. This repair cost $663. 57. Losing brake pressure could have caused serious injury had I been on the highway or needing to come to an abrupt stop. A picture of the repair invoice is attached but a better copy can be provided upon request.

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Brakes failed while driving on the interstate. Diagnosed as bad master cylinder and brake booster.

Tl the contact owns a 2016 Ford F-150. While driving 60 mph, the brake pedal traveled to the floorboard when it was depressed. The emergency brake was used to slow the vehicle down and the low brake fluid indicator illuminated. The vehicle was taken to summerville Ford (843-873-3550, located at 9700 dorchester rd, summerville, SC 29485) where it was diagnosed that the master cylinder and brake booster needed to be replaced. The technician stated that there was no recall. The manufacturer was called, but the contact did not speak with anyone. The vehicle was not repaired. The failure mileage was approximately 31,000. The VIN was not provided.

Without warning, brake pedal went all the way to the floor, pumping brakes brought pressure and was able to stop. Upon inspection at brake repair shop, master cylinder failure was identified.

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Brakes completely failed. No brake pedal. Cruise control release on master cylinder broke open. Luckily it was in a parking lot, not on the highway. Vehicle had no brakes whatso ever.

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Tl the contact owns a 2012 Ford F-150. While driving 35 mph, the brake warning indicator illuminated. The contact depressed the brake pedal, but it failed to engage. The contact lifted her foot off the brake pedal and coasted the vehicle to a complete stop. The vehicle was towed to community Ford Lincoln of bloomington (2200 s walnut st, bloomington, in 47401, (812) 331-2200) where it was diagnosed that the master cylinder and brake booster needed to be replaced. The vehicle was repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 90,624.

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There was a recall for a brake booster master cylinder in may of 2016. We bought the truck used in Dec 2017. The mileage was 35774 when the recall was done. We have been driving the truck and now the brake booster is out again. We replaced the front brakes thinking that was the problem but the booster started acting up again. After replacing the brakes, the pedal went to floor and had to be pumped to have brakes. I think they replaced it with yet another defective part. The truck is not driveable.

Master cylinder leaking into brake booster.

Master cylinder - braking system failed - my truck make/model/year/engine shows recalls everywhere on the internet for this, however, my VIN# isn't listed for this and I need to get my replaced ASAP as my brakes failed due to this issue.

Master cylinder leaked into the brake booster causing brake failures. There is a recall on this but according to the Ford website my vehicle is not part of that recall.

Brake pedal became spongy at first but then went clear to the floor when attempting to stop. The vehicle stops but with very long reaction time. The master cylinder was replaced with a new unit. . . But the problem persisted. Abs unit was then replaced with salvage unit. . . Problem still persists.

See all problems of the 2003 Ford F-150 🔎.

Driving at 35 mph my truck gives me a brake fluid low error message. I keep driving on to the highway. As I exit the highway I press the brakes and nothing happens. The brakes aren't engaging. I coast to a stop since there's no traffic and pull over. Towed truck to Ford dealership and they tell me master cylinder and brake booster have malfunctioned. Cost of repairs are $2100.

Tl-the contact owns a 2016 Ford F-150. The contact called on behalf of his wife that was driving at 45 mph, the brake pedal traveled to the floor board when depressed with the low brake fluid warning light illuminated. The emergency brakes were engaged to bring the vehicle to a complete stop. The vehicle was taken to courtesy Ford 6393 us-98, hattiesburg, ms 39402 (601) 264-5555 where the master cylinder, brake booster and the brake booster sensor was replaced. The vehicle was repaired. The manufacture was made aware of the failure but no assistance was given. The failure mileage was 77,566. Dr.

I have experience a brake failure during the operation of my vehicle, similar to the description within the findings for Ford 16s24 � brake master cylinder replacement � 2013-2014 Ford F-150 on my 2015 Ford F-150 with the same motor. I have had a non-Ford mechanic take a look and found the same condition described is what happened to my vehicle, as well as have the vehicle now being investigated by an authorized Ford mechanic. I would like to ensure that the scope of the investigation include expansion to 2015 vehicles built in the same manufacturing locations, as I believe my same situation and risk exist for mine. For reference os the situation, I have added the link to the issue write up. Https://static. Nhtsa. Gov/odi/rcl/2016/rcmn-16v345-1450. Pdf.

Tl- the contact owns a 2015 Ford F-150. The contact stated that while driving approximately 65 mph the message �low brake fluid� had suddenly displayed and the brake pedal extended to the floor when attempting to slow the vehicle. The vehicle was taken to the local dealer lawhorn Ford(2434 lakeway dr. Russell springs ky) who diagnosed that the brake seal had ruptured and the master cylinder and brake booster needed to be replaced. The vehicle was repaired. The manufacturer was notified of the failure. The VIN was not available. The failure mileage was 90,000. Jft.

Brake fluid level low alert received while driving. Arrived at destination within one mile. Upon return to vehicle one hour later and starting vehicle and reversing out of parking spot, the brake pedal went to floor when pressed and brakes did not work. Moved gear shift to park and vehicle stopped. Towed to Ford dealer who advised that master cylinder and brake booster had failed. No external leakage occurred.

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.

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I would like to share my wife's story on what happened while driving my 2015 F-150 3. 5l ecoboost last Thursday 9/5/2019. Around 5:30pm my cell phone rings and the id shows that it is my wife calling me. I figured she was calling me to talk about her day or what I was making for dinner but she was really calling me to tell me my truck's brake and fluid light sensor came on. She was worried about driving the truck any further as she was coming down the highway. I told her that I would google to see if anyone else was having this issue and that I would call her right back. I quickly searched 2015 F-150 brake and fluid light sensor and instantly found several posts about people having this issue. After reading a couple very quickly, most people said that they lost their brakes instantly or with in minutes. I was worried so I quickly called her back and calmly asked her if she could get off the highway or pull off ASAP. I then proceeded to tell her that she might lose the brakes in the truck. I told her to call me if the vehicle became worse. At that time she was close to the exit. As she was approaching the off ramp the brake pedal pushed almost to the floor. She pressed the pedal again before getting to the yield sign and realized that she was losing the brakes. Luckily the traffic was not heavy in the oncoming traffic and allowed her to run the yield sign without having the ability to stop if needed. She got it stoped. She then called me again to tell me that the truck lost its brakes and that it was unable to be driven. At this time the brake pedal went to the floor every time she pressed it. When I arrived at her location the brake fluid was about empty. I refilled it and pressed the brakes a few times. We had it towed to a Ford dealership. Ford found that the master cylinder failed. I'm still waiting for them to get the replacement part in.

Master cylinder failed and all the fluid drained out and into the power brake booster leaving me with no brakes. I was driving down the interstate at 70 mph when the warning low brake fluid level came on, luckily I made it home before I lost all braking functions. While diagnosing the problem I could not find the source of the leak so I searched the internet and found more people with the same things happening to trucks just like mine and even some were included in a recall but when searching my VIN unfortunately it was not included.

Bought the truck a year and a half ago the engine has blown and now the brake master cylinder is went out probably be the brake booster next they should be reliable for this I'm 100 miles over my warranty and they were still on fix it.

While driving to work yesterday morning on the freeway my "low brake fluid" warning came on. As I tried to stop after exiting the freeway, the brake pedal went all the way to the floor with what felt like was no pressure. Only after fully seating the pedal to the floor was I able to get the brakes to grab and get stopped. Luckily it was early morning and traffic was minimal. When I checked my brake fluid it was well below the minimum level mark. Using another vehicle at work, I went and bought a small bottle of fluid and put the entire thing into the reservoir, bringing up to about half way between min and max. Over the next 10 minutes we watched the level slowly drop down below the min line and beyond. I drove back to the store and bought a large bottle of fluid, having decided I was going to take the truck to the dealership. I filled the reservoir to the max line and set out at a slow speed using side streets. I hadn't went 2 miles when the "low brake fluid" light came on again. I checked the level, again down below min, and I again refilled the reservoir, using the rest of the bottle, and continued on. . . . Once again within 2 miles the light returned. I never really had brake pressure throughout this time. Never once did I find evidence of a leak. Today the dealership called and told me my master cylinder and brake booster both need replaced, and the fluid was building inside the booster, hence no puddle. My truck is only 4 years old, with less than 54,000 miles on it so it seems early in its life to have this system fail suddenly. After doing some research online, including this site, I've seen that this isn't quite as uncommon as I originally thought it would be. There seems to have been many instances of this year/make/model of truck losing its brake system around the same mileage or earlier.

Tl the contact owns a 2015 Ford F-150. While driving 50 mph over a bridge, the brake pedal was applied and depressed to the floorboard; however, the vehicle failed to respond. In addition, the low brake fluid warning indicator illuminated. The vehicle was towed to supreme Ford (400 e howze beach rd, slidell, la 70461, (888) 928-0250) where it was diagnosed that there was a leak in the master cylinder. The vehicle was not repaired. The manufacturer was contacted and did not assist. The failure mileage was 71,200. The VIN was not available.

While I was driving the low brake fluid warning came on, and seconds later the brakes felt spongy and would not return. I was able to make it to a gas station and added a bottle of brake fluid to the reservoir. This gave pressure back to the pedal, but a second later the light came back on and a loss of pressure was noticed through pedal again. The pedal needs to be on the floor to getting any stopping action. I believe that the master cylinder has a leak that is causing this safety hazard.