There are 10 owner-reported brakes complaints for the 2007 Lincoln MKXin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
NO PRESSURE AT ALL ON THE BRAKE PEDAL, RESULTING IN TOTAL LOSS OF BRAKE POWER KNOWN AS VAPOUR LOCK; IN WITCH CALL MY VEHICLE TO CRASH
TL* THE CONTACT OWNS A 2007 LINCOLN MKX. THE CONTACT STATED WHILE DRIVING AT LOW SPEEDS, THE BRAKE PEDAL WAS APPLIED BUT WAS HARD TO DEPRESS AND SLOW TO RESPOND. THERE WERE NO WARNING LIGHTS ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE THE CONTACT WAS INFORMED THAT THE BRAKE BOOSTER AND BRAKE LIGHT SWITCH NEEDED TO BE REPLACED. THE CONTACT CALLED KEY SCALES FORD (1719 CITRUS BLVD, LEESBURG, FL 34748, (352) 787-3511) HOWEVER, THE VEHICLE WAS NOT DIAGNOSED NOR REPAIRED. THE MANUFACTURER WAS NOT CONTACTED. THE FAILURE MILEAGE WAS 113,832.
TL* THE CONTACT OWNS A 2007 LINCOLN MKX. WHILE DRIVING APPROXIMATELY 75 MPH, THE BRAKE PEDAL WAS DEPRESSED AND THE ABS INDICATOR ILLUMINATED RANDOMLY. THE VEHICLE WAS NOT TAKEN TO AN INDEPENDENT MECHANIC OR DEALER FOR DIAGNOSTIC TESTING OR REPAIRS. THE CONTACT SPOKE WITH THE MANUFACTURER AND WAS INFORMED THAT THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 19V904000 (SERVICE BRAKES, HYDRAULIC). THE APPROXIMATE FAILURE MILEAGE WAS 140,000.
THE BRAKE BOOSTER FAILED ON THIS VEHICLE LEAVING THE VEHICLE ALMOST IMPOSSIBLE TO STOP
TL* THE CONTACT OWNS A 2007 LINCOLN MKX. THE CONTACT STATED THAT WHILE DRIVING AT 55 MPH, THE BRAKE PEDAL WAS DEPRESSED BUT IT HESITATED TO ENGAGE WITHOUT WARNING. THE CONTACT STATED WHEN THE BRAKE PEDAL WAS ABLE TO BE ENGAGED, A HISSING AND SCREECHING SOUND EMITTED FROM THE VEHICLE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 138,000.
TL* THE CONTACT OWNS A 2007 LINCOLN MKX. THE CONTACT STATED THAT WHEN APPLYING THE BRAKES, THE BRAKE PEDAL WOULD BECOME ABNORMALLY STIFF. THE VEHICLE WAS TAKEN TO A DEALER WHERE THE TECHNICIAN STATED THAT THE BRAKE BOOSTER NEEDED TO BE REPLACED. NO REPAIRS WERE MADE TO THE VEHICLE AND THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 117,000 AND THE CURRENT MILEAGE WAS 118,000.
BRAKE BOOSTER - I NOTICED THAT WHENEVER I CAME TO A STOP OR SLOWED DOWN - MY CAR WOULD CONTINUE TO ROLL SLIGHTLY EVEN THOUGH I PRESSED DOWN VERY HARD ON THE BRAKES. THE PRESSURE OF THE BRAKE PEDAL BECAME VERY STIFF AND WOULD NOT ALLOW ME TO PRESS DOWN ON IT TOO MUCH AND IT FELT AS IF IT WAS GOING TO LOCK. I EVENTUALLY HAD TO PUT MY CAR IN NEUTRAL WHENEVER I CAME TO A STOP JUST TO BE CAUTIOUS AND PREVENT IT FROM POSSIBLY ROLLING INTO A VEHICLE OR PEDESTRIAN CROSSING THE STREET IN FRONT OF ME. ALSO, WHEN AT A COMPLETE STOP, THE BRAKES WOULD TIGHTEN, MY CAR WOULD MAKE AN AIR PRESSURE NOISE AND BEGAN TO ALMOST STALL OR VIBRATE A LITTLE AS IF IT WOULD SHUT COMPLETELY DOWN. I DID NOT TAKE THE TOLL ROAD FOR SAFETY REASONS DUE TO THE HILLS SO I IMMEDIATELY WENT TO THE LINCOLN DEALERSHIP AND I'M NOW OUT OF POCKET $786.00 LATER BECAUSE MY BRAKE BOOSTER WENT BAD. VERY FRUSTRATING SINCE FOUR MONTHS AGO I HAD RADIATOR PROBLEMS AND HAD TO REPLACE THE COOLING REGULATOR TO MY RADIATOR AND REPLACE THE HOSE WHICH WAS OVER $1,200. *TR
WHILE I WAS TAKING MY CHILDREN TO SCHOOL, WAS ATTEMPTING TO SLOW DOWN AND COME TO A COMPLETE STOP, I COULD PRESS THE AND MAKE GO DOWN. I HAD TO PRETTY MUCH AS THEY SAY STAND UP ON THE BRAKES. WHILE AT STOP AND STILL APPLYING ALOT OF FORCE TO THE PEDAL THE CAR IS SLOWLY ROLLING. THE LINCOLN SERVICE MANAGER SAID IT WAS THE BRAKE BOOSTER CAUSING THE PROBLEM. BIG SAFETY PROBLEM! *TR
WHILE OUR 2007 LINCOLN MKX WAS STANDING STILL, PRESSURE WAS APPLIED TO THE BRAKE PEDAL AND IT WENT TO THE FLOOR. I TRIED IT SEVERAL TIMES OVER THE NEXT FEW DAYS WITH THE SAME RESULT. TOOK IT INTO THE DEALER, DEALER SAID IT WAS NORMAL. I OBJECTED TO THAT COMMENT. ON FURTHER INVESTIGATION BY THE DEALER, THEY SAID IT WAS THE MASTER CYLINDER. THEY DID REPLACE THE MASTER CYLINDER. I GOT INTO THE VEHICLE, PRESSED ON THE BRAKE PEDAL, THOUGHT IT FELT FUNNY, COMPLAINED AGAIN TO THE DEALER. THEY SAID THEY WOULD GIVE ME A TEST DRIVE WITH THE SAME TYPE OF VEHICLE. BEFORE THAT HAPPENED, THE MECHANIC CAME OUT, GOT IN MY VEHICLE, PUSHED DOWN ON THE BRAKE PEDAL, WHICH AGAIN WENT TO THE FLOOR. HIS STATEMENT WAS HUH?, MUST BE IN THE VACUUM SYSTEM. THAT SYSTEM IS IN THE PROCESS OF BEING REPLACED. WILL KEEP EVERYONE POSTED IN THE NEXT FEW DAYS. *TR
SOFT BREAK PEDAL, FROM NEW 2007 PURCHASE UNTIL PRESENT, SAFETY PROBLEM YOU CAN PRESS ON THE BREAK AND GAS AT THE SAME TIME WHILE IN MOTION AND NOT STOP IN TIME.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026