Brake Fluid Leak Problems of Lincoln MKZ

Was backing down a sloped paved driveway when the break pedal went almost to the floor and could barely stop. Inspected and found the left front brake hose split/ruptured and leaking brake fluid. The rupture was on the top side of the hose where it connects to the metal brake line.

See all problems of the 2013 Lincoln MKZ 🔎.

I started my car and pressed the pedal to shift into reverse and started to back up from a parking spot. The pedal suddenly went to the floor and the car kept moving, pulled the emergency brake. Had warning lcd icons in red about brakes. Tried shutting car off and restarting to see if condition changed, no change, pedal went to floor and no pressure. Checked for leaks under car and no leaks of brake fluid were present. As I could build pressure slowly and had the ebrake, I drove slowly to the nearest dealer. While driving other messages came on to service advance trak and the yellow wrench. Pedal would make contact with brakes at the very lowest point or by pumping brakes otherwise I would have not driven to the nearby dealer. I could have gotten into a serious accident had this happened at higher speeds than backing out of a spot because its so sudden and your stopping distance is greatly affected even with something so slow as adjusting a parking job. Car had around 96,140 miles when it happened. This is a very dangerous condition as even at low speeds I needed a large distance to stop safely before cars in front of me. Car is at the dealer and was just quoted 1,100 dollars but this does seem to be the same issue I read about for previous years recalls and should be investigated.

See all problems of the 2011 Lincoln MKZ 🔎.

Brakes spontaneously went soft, during travel (30 mph?). Changed master cylinder which seemed to resolve issue. Couple of weeks later, happened again uwhile in motion. Master cylinder changed 2nd time under warranty. Happened third time within weeks traveling about 50 mph. The third time, it happened upon application of brakes (not aggressive) which caused abs activation. Pulse was felt in brake pedal and immediately brakes pedal went soft (almost to floor). Pumping brake pedal firmed the brakes. Couple of days later, tested abs on gravel road by aggressive braking, abs activation and brakes went soft immediately during the action. Pumping up brakes resulted in firming, at top of brake pedal travel without slowing vehicle then into soft travel through 3/4 travel until firmed again at bottom of travel. Concern is that in the event of emergency braking which activates abs, typical braking changes to �soft pedal� (belief of failed brakes) and potential for panic and resulting collision. Dealer tested system today (10/03/2018) and could not diagnose any problem. No dash light was ever activated in any of the events described. No brake fluid leak detected, no loss of brake fluid.

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Tl the contact owns a 2014 Lincoln Mkz. While driving 35 mph, the brake pedal was depressed and failed to operate correctly. The contact mentioned that the brake pedal needed to be pumped in order to get the vehicle to come to a complete stop. The contact noticed brake fluid leaking under the vehicle on the driver's side. The vehicle was towed to fox Ford Lincoln (2501 n elston Ave, chicago, IL 60647, (773) 687-7800) where it was diagnosed that the driver's side brake line was ruptured. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 55,000.

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