The brake booster vacuum hose attached to the intake manifold fitting swelled over time and was close to detaching from the intake manifold fitting. This condition could allow the hose to detach from the fitting during an engine backfire, resulting in loss of power brake assist and increased brake pedal effort. As a result, stopping distance may increase and potentially result in a crash.
- NHTSA ID
- 11706694
- Incident
- Dec 22, 2025
THE BRAKES DO NOT ALWAYS FUNCTION. PEDAL GOES DOWN TO FLOOR. BROUGHT TO LINCOLNS ATTENTION LAST APRIL, JUNE AND JULY. WE HAVE NOTES AND LETTERS WITH HEATHER CARLYLE FROM LINCOLN MOTOR COMPANY
- NHTSA ID
- 10917886
- Incident
- Apr 26, 2016
- Mileage
- 37,000 mi
BrakesDriver assistance
Filed Sep 22, 2016
VEHICLE HAD COMPLETE BRAKE FAILURE 5 TIMES DURING NORMAL OPERATIONS. VEHICLE WAS SERVICED BY FORD DEALERSHIP AND RECOMMENDED BRAKE REPAIRS AND/OR UNABLE TO REPRODUCE. UPON LAST TIME, TECHNICIAN FOUND A FORD SERVICE BULLETIN THAT COVERED OTHER SIMILAR MODELS AND YEARS HAVING EXACT SAME PROBLEM. THEY REPLACED THE TRACTION CONTROL MODULE, BUT STATED THAT IT WAS A VOLUNTARY REPLACEMENT. LOSING BRAKES ON A 6,000 POUND CAR GOING 30MPH IS A RECIPE FOR SERIOUS DEATH OR INJURY. THIS COMPONENT SHOULD BE RECALLED. THE CAR HAS FULL PAPERWORK FROM PREVIOUS BRAKE REPAIRS, PREVIOUS REQUEST FOR BRAKE REPAIRS AND THE CURRENT REPLACEMENT OF THE TRACTION CONTROL MODULE BLACK BOX. THERE ARE OTHER CAR OWNERS ONLINE THAT HAVE EXPERIENCED THE SAME ISSUE INCLUDING SEVERAL THAT WON LEMON LAW LAWSUITS. LINCOLN REFUSES TO ACKNOWLEDGE THE FAULTY COMPONENT AND STATES THAT THE REPLACEMENT WAS CUSTOMER REQUESTED AND VOLUNTARY WITH NO CONCERN THAT THEIR VEHICLE LOSES BRAKES. DISCUSSIONS WITH THE LINCOLN "CONCIERGE" CUSTOMER SERVICE ARE RECORDED. FAILURES HAPPENED WHEN CAR WAS TRAVELING 30MPH AND BRAKING ON A DOWNHILL SLOPE. TECHNICIAN SUGGESTED THAT DURING SUCH A BRAKE FAILURE TO TURN OFF THE TRACTION CONTROL WHICH IS AN UNREASONABLE REQUEST. THE COMPANY DOES NOT SEEM TO BE TAKING THE LOSS OF BRAKES THAT COULD RESULT IN DEATH OR INJURY SERIOUSLY.
- NHTSA ID
- 10908828
- Incident
- Sep 1, 2016
- Mileage
- 60,000 mi
WHILE DRIVING ON THE HIGHWAY THE BRAKES WERE APPLIED TO SLOW THE VEHICLE. WHEN THE BRAKE PEDAL WAS DEPRESSED, A LOUD GRINDING NOISE AND PEDAL SHUDDER WAS FELT. BRAKE POWER DIMINISHED, AND THE ANTI-SKID LIGHT ILLUMINATED. ONCE OFF THE PEDAL, THE CAR COASTED FOR A FEW SECONDS. THE BRAKE WAS APPLIED, AND THE SYSTEM WENT BACK TO NORMAL. FORD IS UNABLE TO FIND AN ISSUE WITH THE SYSTEM OR DUPLICATE THE EVENT. ABS WAS NOT ENGAGED IN THIS SITUATION. GRADUAL BRAKE PEDAL PRESSURE WAS APPLIED TO SLOW THE VEHICLE, NOT COME TO ABRUPT STOP. HOWEVER, THE CAR WAS UNABLE TO SLOW DUE TO THE MALFUNCTION.
- NHTSA ID
- 10876223
- Incident
- Jun 1, 2016
- Mileage
- 128,000 mi
BrakesOther / unspecified
Filed Feb 22, 2016
TL* THE CONTACT OWNS A 2008 LINCOLN NAVIGATOR. THE CONTACT STATED AT LOW SPEEDS THE VEHICLE BRAKE PEDAL WENT TO THE FLOORBOARD AND FAILED TO RESPOND. IN ADDITION, THE TRACTION CONTROL AND THE MAINTENANCE WARNING INDICATORS ILLUMINATED. THE CONTACT STATED AFTER A FEW MINUTES, THE BRAKE PEDAL FUNCTIONED NORMALLY AND AFTER RESTARTING THE VEHICLE, IT OPERATED NORMALLY. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT COULD NOT BE DIAGNOSED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 60,000.
- NHTSA ID
- 10837550
- Incident
- Jan 11, 2016
- Mileage
- 60,000 mi
MY BRAKES WILL FAIL WITHOUT ANY WARNING. I WILL BE DRIVING AND ALL OF A SUDDEN MY BRAKES WON'T WORK. THE ANTI-SKID LIGHT WILL GO ON ALONG WITH GRINDING NOISES. IT FEELS LIKE I AM PRESSING A STAKE DOWN THROUGH ROCKS AS I PRESS DOWN ON THE BRAKE PEDAL. DURING THIS TIME, I HAVE NO CONTROL OVER THE BRAKES AND I PANIC THAT THE CAR WILL NOT STOP. AFTER A FEW SECONDS, THE BRAKES WORK ONCE AGAIN. I HAVE TAKEN THE CAR INTO THE DEALERSHIP MULTIPLE TIMES FOR THIS ISSUE AND THEY HAVE NEVER BEEN ABLE TO FIX IT. THE SITUATION KEEPS HAPPENING. THE MOST RECENT OCCURRENCE WAS IN JANUARY, 2012. I AM VERY SCARED TO DRIVE THIS CAR. I HAVE BEEN VERY FORTUNATE THAT ANOTHER CAR HASN'T BEEN CLOSE BY WHEN MY BRAKES HAVE FAILED. *KB
- NHTSA ID
- 10446213
- Incident
- Dec 7, 2009
- Mileage
- 29,784 mi
TL*THE CONTACT OWNS A 2008 LINCOLN NAVIGATOR. WHILE DRIVING BETWEEN 30-45 MPH, THE TRACTION LIGHT BEGAN BLINKING ON THE INSTRUMENT PANEL. IN ADDITION, THE STOPPING DISTANCE INCREASED WHEN THE BRAKE PEDAL WAS DEPRESSED. THE CONTACT DID NOT NOTICE ANY DIFFERENCES IN THE VEHICLE PRIOR TO THE FAILURES. THE VEHICLE WAS DIAGNOSED BY THE DEALER, BUT THE FAILURES STILL PERSIST. THE CURRENT MILEAGE WAS 9,200 AND FAILURE MILEAGE WAS 3,000.
- NHTSA ID
- 10230132
- Incident
- Feb 27, 2008
- Mileage
- 3,000 mi
2008 LINCOLN NAVIGATOR SOMETIMES HAS NO BRAKES. HAVE ALREADY HAD ONE ACCIDENT BECAUSE OF THIS. TOOK THE NAVIGATOR IN TO THE DEALERSHIP AND THEY CHECKED IT OUT AND SAID THERE WAS NOTHING WRONG. WROTE FORD A LETTER AND THEY REPLIED "THE CIRCUMSTANCES WHICH YOU OUTLINED CONCERNING YOUR NAVIGATOR, HAVE BEEN GIVEN CAREFUL CONSIDERATION. FORD MOTOR COMPANY CONSIDERS THE SATISFACTION OF ITS OWNERS TO BE ONE OF OUR MOST IMPORTANT OBJECTIVES. WE COMMIT VERY SUBSTANTIAL RESOURCES AND EFFORT IN A SINCERE ATTEMPT TO RESOLVE THE CONCERNS OF OUR OWNERS. HOWEVER, LIMITS MUST BE PLACED ON THOSE EFFORTS. ALTHOUGH WE REGREST NOT BEING ABLE TO MEET YOUR EXPECTATIONS, OUR REVIEW INDICATES THAT THE INFORMATION PROVIDED BY YOUR DEALER IS APPROPRIATE. THEREFORE, WE ARE UNABLE TO BE OF FURTHER ASSISTANCE IN THIS MATTER." THIS IS NOT ACCEPTABLE! I PAID $60,000 FOR THIS VEHICLE AND AM AFRAID TO DRIVE IT. *TR
- NHTSA ID
- 10214805
- Incident
- Dec 18, 2007
- Mileage
- 1,500 mi
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.