NHTSA Owner Complaint Log
This page lists owner-reported complaints filed with NHTSA for the 2007 Mercury Grand Marquis. Complaints are unverified consumer reports submitted to NHTSA and do not by themselves prove a defect or defect rate.
PAINT ON ROOF IS BLISTERING AND PEELING. WE NOTICED IT LAST WEEK AS THE PEELING IS LIFTING REAL HIGH FROM ROOF SURFACE. IT LOOKS AS IF IT HAS BLISTERED THRU THE CLEARCOAT AS WELL AS THE PAINT IT'S SELF. IT IS DOWN TO BARE METAL NO PRIMER, NOT SHOWING SIGNS OF RUST YET. 08/08/10, OUR GRAND MARQUIS IS A 2007 SILVER/GREY IN COLOR. WE LIVE IN NC. OTHERWISE WE LOVE THIS VEHICLE AND HAVE HAD NO OTHER PROBLEMS. *TR
PAINT PEELING REAR BUMPER. *TT
PAINT IS BLISTERING OFF THE ROOF. *KB
TL*THE CONTACT OWNS A 2007 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 50 MPH THE POWER STEERING FAILED TO FUNCTION. THE OWNER STATED THAT HE FELT "STIFFNESS" IN THE STEERING WHEEL MAKING THE VEHICLE HARD TO STEER. HE TOOK THE VEHICLE TO A LOCAL REPAIR SHOP AND REPLACED THE POWER STEERING PRESSURE SWITCH, AND ADDED POWER STEERING FLUID. THE REPAIRS HAVE CORRECTED THE FAILURE. THE FAILURE MILEAGE WAS 16,819. THE CURRENT MILEAGE AT THE TIME OF THE COMPLAINT WAS 17,400. UPDATED 10/13/10. *LJ UPDATED 10/19/10*JB
PAINT FAILURE WHERE THE TOP MEETS THE MAIN BODY. THE PAINT BLISTERS AND THEN PEELS OFF. I BELIEVE IT IS THE TOP COAT FAILING; IT LOOKS LIKE THE PRIMER IS INTACT. I SEE NO RUST, BUT THAT MAY BE DUE TO THE FACT THAT THE SHEET METAL IS ALUMINUM INSTEAD OF STEEL. THE PROBLEM CONTINUES TO GROW AND IS SPREADING OUT. I SUSPECT THAT THE PAINT APPLICATION ATG FORD IS FLAWED. *TR
TL* THE CONTACT OWNS A 2007 MERCURY GRAND MARQUIS. WHILE BRAKING FROM SPEEDS OF 45 MPH, THE FRONT PASSENGERS SEAT SLID FORWARD WITHOUT WARRANT. THE VEHICLE WAS NOT TAKEN TO AN AUTHORIZED DEALER FOR FURTHER ANALYSIS. THE FAILURE AND CURRENT MILEAGES WERE 28,000.
THE FUEL GAUGE WILL NOT COME OFF EMPTY AFTER FILLING THE GAS WITH GAS. IT TAKES A LONG WHILE (30 MINUTES) TO GET TO WHERE IT SHOULD BE. *TR
2007 MERCURY MARQUIS WITH MICHELIN ENERGY LX4 P225-60 R16 TIRES WITH 15,000 MILES. AT 65 MPH FELT VIBRATION IN FRONT END, I STARTED BRAKING AND PULLING TO SHOULDER WHEN LEFT FRONT TIRE EXPLODED. INSPECTION OF TIRE SHOWED THE OUTSIDE SIDEWALL BLEWOUT. I SEARCHED THE INTERNET AND FOUND SEVERAL OTHER INCIDENTS OF THIS REPORTED. THIS TIRE IS UNSAFE AND SHOULD BE IMMEDIATELY INVESTIGATED. I WILL TAKE PICTURES FOR FUTURE REFERENCE. THE CAR IS STILL UNDER WARRANTY AND I WILL HAVE THE TIRE REPLACED. I HOPE PEOPLE DON'T HAVE TO DIE BEFORE THIS GETS FIXED. *TR
WHILE TRAVELING ON VACATION TIRES DEFLATED TO 10 PSI AND OVERHEATED. *TR
TL*THE CONTACT OWNS A 2007 MERCURY GRAND MARQUIS. WHILE DRIVING 60 MPH THE PASSENGER FRONT TIRE LOST AIR. HE WAS ABLE TO SAFELY EXCHANGE THE TIRES. THE VEHICLE WAS TAKEN TO THE DEALER AND THE VALVE STEMS WERE REPLACED ON ALL FOUR TIRES AT AN EXPENSE OF $63.00. THE MANUFACTURER WAS NOTIFIED, AND HE WILL BE REIMBURSED FOR THE VALVE STEMS. THE FAILURE MILEAGE WAS 23,000. THE CURRENT MILEAGE WAS 25,000. UPDATED 10/21/09. *LJ UPDATED 10/20/09
HIGH SPEED TIRE FAILURE - JUNE 7 AND JUNE 28 - 2007 MERCURY LS - 21000 MILES JUNE 7, 2009 DRIVING I-49 SOUTH, LAFAYETTE PARISH, LA, TEMPERATURE ABOUT 95. WIFE ONLY PASSENGER. ROADWAY CLEAR, NO DEBRIS OR THRASH, TRAFFIC LIGHT, WITHOUT WARNING, RIGHT FRONT DEFLATES. DROVE ABOUT 1/2 MILE TO EXIT BEFORE STOPPING. SIDES OF TIRES STILL FIRMLY ATTACHED TO RIM. ROADSIDE OF TIRE COMPLETELY SEPARATED FROM SIDES. THERE WAS NO NOISE SUCH AS A BLOWOUT. ON REMOVING TIRE TO CHANGE NO EVIDENCE OF A PUNCTURE, OUTSIDE OR INSIDE WAS SEEN. NEW TIRE PURCHASED JUNE 8, 2009. DEALER WOULD NOT GIVE CONSIDERATION TO PRO RATE . JUNE 28, 2009, 2 PASSENGERS, DRIVING RIGHT LANE I-12 EAST, EAST BATON ROUGE PARISH,LA,, 73MPH, TEMPERATURE ABOUT 97 DEGREES. TRAFFIC HEAVY. RIGHT REAR TIRE SUDDENLY DEFLATES (NO BLOWOUT NOISE) , CAR SWERVES SLIGHTLY INTO LEFT LANE NEARLY COLLIDING INTO LEFT LANE CAR. SWERVE CONTROLLED AND CAR DRIVEN TO LEFT SHOULDER. TOO FAR FRONT EXIT TO DRIVE OFF. REMOVED WHEEL, SIDEWALLS STILL FIRMLY ATTACHED TO RIM. ROADSIDE OF TIRE INTACT. NO SIGN OR EVIDENCE OF PUNCTURE OUTSIDE OR INSIDE. TIRE IN EACH INSTANCE HAD LITTLE TREADWEAR. CONTACTED MICHELIN CUSTOMER SERVICE VIA PHONE. ADVISED TO HAVE DEALER EXAMINE TIRE AND CONTACT THEM. BILL AT DELTA WORLD TIRE, 203 GUILBEAU RD, LAFAYETTE, LA, ON THURSDAY JULY 3 LOOKED OVER TIRE STATED SEVERAL POSSIBILITIES BUT COULD GIVE A DEFINITE CAUSE OF DEFLATION, SAME AS OTHER (JUNE 8) DEALER. NO PRO RATE OR FREE REPLACEMENT. THAT DID NOT MAKE ANY DIFFERENCE AS MY REPORTING THE INCIDENTS. I AM SCARED WITH MY REMAINING ORIGINAL TIRES. TIRE: MICHELIN LX4 WW --225/60R16. *TR
I PURCHASED A NEW MERCURY 2007 GRAND MARQUIS LS. I HAVE MICHELIN LX4 ENERGY TIRES. I HAD A BLOW OUT ON FRONT LEFT TIRE AT 4700 MILES, THE SIDE WALL CAME APART. I HAD A SECOND BLOW OUT ON FRONT RIGHT TIRE AT 5840 MILES AGAIN SIDE WALL CAME APART. I HAD THIRD BLOW OUT AT 6000 MILES ON LEFT REAR SAME SIDE WALL DAMAGE, AT THIS TIME I REPLACED RIGHT REAR TIRE BECAUSE I WAS TRAVELING OUT OF MY AREA. I TRIED TO GET DEALER TO REPLACE TIRES UNDER WARRANTY BUT THEY REFUSED AND SAID IT WAS A MICHELIN PROBLEM. I REPLACED TIRES WITH MICHELINS WHICH I AM SORRY I DID THIS. *TR
WHEN I GO TO APPLY THE BRAKES, IF MY FOOT IS NOT ON THE BRAKE PEDAL JUST RIGHT MY FOOT ENDS UP ON THE GAS PEDAL AND MY CAR LUNGES FORWARD. THIS HAS HAPPENED QUIT A FEW TIMES SINCE I OWNED THIS CAR. I FEEL THE BRAKE AND GAS PEDALS ARE TOO CLOSE TOGETHER. I DON'T KNOW IF THERE HAVE BEEN ANY OTHER COMPLAINTS, BUT I FEEL IT IS A REAL PROBLEM AND COULD CAUSE ME TO WRECK MY CAR. *TR
THE PAINT ON MY 2007 MERCURY GRAND MARQUIS STARTED PEELING OFF IN MARCH 2009, IT IS HAPPENING AROUND THE GRILL. THIS IS CLEARLY A PAINT DEFECT, AS STATED BY A LOCAL BODY SHOP. IN ORDER TO REPAIR, PAINT HAS TO BE GRINDED DOWN TO BARE METAL AS PAINT PRIMER DID NOT BOND WITH METAL PROPERLY. COST TO REPAINT CAR IS ESTIMATED AT $300. THIS SAME PROBLEM WAS SEEN IN EARLIER MODEL FORD AND MERCURY VEHICLES. IT IS CAUSE BY CONTAMINATION ON THE ALUMINUM PARTS BEFORE THEY ARE PAINTED. A TSB WAS ISSUED TO FIX THIS ON THE EARLIER VEHICLES. *TR
LEFT FRONT TIRE ON MY 2007 MERCURY GRAND MARQUIS LS BLEW OUT WHILE DOING APPROXIMATELY 55 MPH ON HIGHWAY 85. I SLOWED DOWN UNTIL I COULD PULL OFF THE ROAD ONTO THE SHOULDER. AT THE SAME TIME I FOUND THAT THE RIGHT REAR TIRE WAS VERY LOW.I INSTALLED THE DONUT SPARE ON THE LEFT FRONT AND PUMPED UP THE RIGHT REAR TIRE AND SLOWLY DROVE TO THE NEAREST GAS STATION TO INFLATE BOTH TIRES TO PROPER PRESSURE. I THEN WENT HOME. THE NEXT DAY I WENT TO MY MERCURY DEALER, THEY INSPECTED THE BLOWN OUT TIRE AND TOLD ME THAT I WAS DRIVING ON AN IMPROPERLY INFLATED TIRE AND FORD MOTORS WOULD NOT DO ANYTHING FOR ME ,BUT THEY OFFERED TO SELL ME A NEW TIRE AND MOUNT IT AT NO CHARGE. I LEFT THE DEALERSHIP AND WENT TO A TIRE DEALER THAT I HAVE USED ON OTHER OCCASIONS FOR TIRES FOR OTHER CARS,WHEN HE WENT TO REMOVE THE BLOWN TIRE FROM THE RIM HE FOUND THAT THE VALVE STEM WAS CRACKED AND COULD HAVE BEEN THE CAUSE OF THE TIRE FAILURE,I TOLD HIM ABOUT THE LOW PRESSURE IN THE RIGHT REAR TIRE HE PRESSED THE VALVE STEM SLIGHTLY SIDE WAYS AND THE AIR LEAKED OUT, HE DID THE SAME TO THE OTHER 2 TIRES AND THEY SEEMED OK. HE REMOVED THE RIGHT REAR TIRE IT SHOWS SEVERAL WORN SPOTS INSIDE AND HE RECOMMENDS CHANGING IT ALSO. HE TOLD ME THEIR IS A RECALL ON SOME VALVE STEMS,AND WE CHECKED OUT INFO ON GOOGLE AND FOUND THAT MY CAR HAS THE DILL-ACP TR-414 TIRE VALVES, HE REPLACED BOTH TIRE AND ALL 4 VALVE STEMS. I WENT TO MY DEALER THE OWNER AND TIRE EXPERT SAID THEY KNEW NOTHING ABOUT ANY VALVE STEM PROBLEMS. I GAVE THE OWNER THE GOOGLE PRINT OUT HE SAID HE WOULD CHECK WITH FORD AND LET ME KNOW. THAT WAS FRIDAY 27 FEB 09. TODAY IS MONDAY MAR 2 09. *TR
FOUND TIRE FLAT ON JAN 5, 2009. CALLED AAA WHO PUT ON SPARE. THEN DROVE TO DEALER. DEALER FOUND TIRE VALVE CRACKED. WE PURCHASED NEW TIRE. ANOTHER VALVE WAS CRACKED IN JULY OF 2008. CALLED AAA AND DRIVER PUT DUCT TAPE ON TIRE VALVE, PUMPED UP OUR TIRE AND WE WENT TO A TIRE PLACE THAT REPLACED OUR CRACKED VALVE STEM. OLD PARTS WERE DISPOSED OF BY DEALER AND OTHER TIRE STORE. WE FIND THIS TO BE A SERIOUS SAFETY ISSUE/PATTERN NOW AND LOOKED AT OUR VALVE STEMS THAT HAVE BEEN RECALLED BY DILL. WE FEEL THERE SHOULD BE A RECALL BY FORD MOTOR COMPANY. *TR
TL*THE CONTACT OWNS A 2007 MERCURY GRAND MARQUIS. THE VEHICLE HAS DILL-ACP TR-413 TIRE VALVES. WHILE DRIVING APPROXIMATELY 70 MPH, THE VEHICLE BEGAN RIDING ROUGHLY. HE PULLED THE VEHICLE TO THE SIDE OF THE ROAD AND NOTICED BULGES IN THE FRONT PASSENGER SIDE TIRE AND A FRACTURED VALVE STEM. HE TOOK THE VEHICLE TO THE DEALER AND THEY STATED THAT THE VALVE STEM WAS MANUFACTURED DEFECTIVELY. HE IS IN THE PROCESS OF REPLACING THE FRONT DRIVER'S SIDE AND REAR PASSENGER TIRES. THE CONTACT STILL HAS POSSESSION OF THE FAILED COMPONENT. THE FAILURE AND CURRENT TIRE MILEAGES WERE 18,000. UPDATED 01/14/09. *LJ THE CONSUMER STATED THE TIRE WENT FLAT. UPDATED 01/21/09.*JB
MY WIFE WAS DRIVING MY CAR TO PICK UP DAUGHTER FROM SCHOOL. TIRE BLEW AND IS UNUSABLE. I CHECKED THE TIRE ITSELF AND COULD NOT VISUALLY FIND AND NAIL OR OTHER CAUSE OF PUNCTURE. CHECKED STEM AND FOUND OBVIOUS CRACK. *TR
TL*THE CONTACT OWNS A 2007 MERCURY GRAND MARQUIS. THE VEHICLE HAS TECH INTERNATIONAL TR414 VALVE STEMS. THE CONTACT DISCOVERED THAT THE FRONT PASSENGER SIDE TIRE WAS FLAT. AN INDEPENDENT MECHANIC REPLACED THE VALVE STEM UNDER RECALL FOR FREE. ON A SEPARATE OCCASION, THE FRONT DRIVER'S SIDE TIRE FLATTENED. ROADSIDE ASSISTANCE CHANGED THE TIRE AND ALSO REPLACED THE VALVE STEM, WHICH WAS FOUND TO BE DEFECTIVE. ON THE THIRD OCCASION, WHILE DRIVING LESS THAN 60 MPH, THE CONTACT COULD HEAR THE REAR PASSENGER TIRE LOSING AIR. SHE WAS ABLE TO PULL OFF THE ROAD. IT WAS DISCOVERED THAT THE TIRE WAS AFFECTED BY THE VALVE STEM, WHICH PERTAINED TO NHTSA CAMPAIGN ID NUMBER 08T018000 (TIRES:VALVE). FORD REFUSED TO ASSIST BECAUSE THE VEHICLE WAS NOT BROUGHT TO THEM FIRST FOR REPAIRS. THE FAILURE MILEAGE WAS 26,000 AND CURRENT MILEAGE WAS LESS THAN 27,000. UPDATED 12/1/08 *CN UPDATED 12/05/08. *JB
I HAD A TIRE VALVE FAIL. THE REPAIR SHOP PULLED THE TIRE APART AND THE TIRE WAS PERFECT. THEY SAID THAT THE VALVE PROBABLY WAS DEFECTIVE. 2007 MERCURY GRAND MARQUIS W MICHELIN TIRES ( MILEAGE ABOUT 14,000 MILES). *TR
TL*THE CONTACT OWNS A 2007 MERCURY GRAND MARQUIS. WHILE DRIVING APPROXIMATELY 70 MPH ON NORMAL ROAD CONDITIONS, THE VEHICLE SUDDENLY STOPPED. THE CONTACT NOTICED THAT THERE WAS NO GASOLINE IN THE FUEL TANK BECAUSE THE FUEL GAUGE DISPLAYED INACCURATE READINGS. THE FAILURE OCCURRED WITHOUT WARNING. THE EMPTY FUEL TANK WAS CONSUMED WITH GASOLINE. THE VEHICLE WAS TAKEN TO THE AUTHORIZED DEALER AND THEY STATED THAT THIS WAS A COMMON ISSUE WITH NO AVAILABLE REMEDY. THE TECHNICIAN RECOMMENDED THAT HE FILL THE FUEL TANK EVERY 200 MILES. THE VEHICLE HAS NOT BEEN REPAIRED. THE CONTACT WAS CONCERNED OF THE SAFETY RISK INVOLVED. THE FAILURE MILEAGE WAS 48,700 AND CURRENT MILEAGE WAS 49,185. UPDATED 11-25-08 *BF UPDATED 11/26/08. *JB
TL*THE CONTACT OWNS A 2007 MERCURY GRAND MARQUIS. WHILE DRIVING APPROXIMATELY 35 MPH AND PROCEEDING TO A COMPLETE STOP, THE VEHICLE SURGED FORWARD WHEN THE BRAKE PEDAL WAS DEPRESSED. THE CONTACT DISENGAGED THE CLUTCH AND MOVED THE GEAR SHIFTER TO THE "PARK" POSITION. THE VEHICLE WAS ABLE TO BE DRIVEN TO THE CONTACT'S RESIDENCE. THERE WERE NO WARNING INDICATORS ILLUMINATED ON THE INSTRUMENT PANEL. THE AUTHORIZED DEALER WAS NOTIFIED AND SCHEDULED AN APPOINTMENT FOR A DIAGNOSTIC TESTING. THE CONTACT WAS CONCERNED OF THE SAFETY RISK INVOLVED. THE CURRENT AND FAILURE MILEAGES WERE 29,430.
1. DRIVING 53 MPH ON 3 LANE FREEWAY, CHANGED INTO RIGHT LANE WITH LIGHT TRAFFIC. 2. TIRE BLOW OUT - HEARD LOAD 'POP' FROM BEHIND ME, CHECKED MIRRORS FOR OBJECT IN LANE - COULD NOT IDENTIFY ISSUE. MOVED TO FAR LEFT LANE IN ANTICIPATION OF NEED FOR BREAK-DOWN LANE. TRAVELED APPROX 1/4 MILE, COULD FEEL RIGHT REAL RUB OF TIRE. PULLED OF ROAD. 3. CONTACTED AAA, VAN SENT, TIRE CHANGED TO DONUT. NO VISIBLE SHREDDING. AAA DRIVERS STATED IT APPEARED TO BE SIDE WALL FAILURE. WE REPLACED BOTH REAR TIRES AND ARE MAINTAINING THIS 'BLOWN OUT' TIRE. *TR
I HAVE A 2007 VEHICLE WHICH I PURCHASED NEW IN DECEMBER 2006. THE VEHICLE HAS BEEN DRIVEN JUST OVER 9,000 MILES AND, WITHOUT WARNING, A TIRE VALVE STEM FAILED AND THE TIRE LOST ALL AIR PRESSURE . MY MECHANIC REPLACED THE DEFECTIVE VALVE. THE DAY AFTER THE FAILURE, A FRIEND POINTED OUT A MAGAZINE ARTICLE REGARDING DEFECTIVE TIRE VALVE STEMS. *TR
HEADON COLLISION, TOTALED CAR, AIRBAG DID NOT DEPLOY. *TR
DURING THE MONTH OF AUG 08 I HAD 3 FLAT TIRES. IN EACH CASE THE TIRE WENT FLAT WHILE TRAVELING ON A ROADWAY AT SPEED. EACH FLAT WAS CAUSED BY A VALVE STEM FAILURE (CRACKED AND LEAKED)THE FIRST FAILURE SEEMED LIKE A NORMAL EVENT, THE SECOND SEEMED QUESTIONABLE , THE THIRD WAS ABSOLUTE CONFIRMATION OF A CLEAR PROBLEM WITH THE VALVE STEMS. THE VALVE STEMS WERE REPLACED ON THE 3 TIRES AS WELL AS THE 4TH BEFORE ANOTHER VALVE STEM FAILURE. THE 3 TIRES THAT WENT FLAT SUSTAINED SIDEWALL DAMAGE. THE VALVE STEMS ON THIS VEHICLE WERE CLEARLY DEFECTIVE AND POTENTIALLY VERY DANGEROUS TO THE OPERATION OF THIS VEHICLE (OR ANY VEHICLE WITH THESE TYPE OF VALVE STEMS) BY AN INEXPERIENCED OPERATOR. *TR
FLAT TIRE CAUSED BY DEFECTIVE VALVE STEM AND REQUIRED REPLACING TIRE AND VALVE STEM. *TR
TL*THE CONTACT OWNS A 2007 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT THERE WAS A DEFECTIVE VALVE STEM ON THE FRONT PASSENGER SIDE TIRE. THE VALVE STEM CRACKED ON THE TIRE, WHICH CAUSED IT TO DEFLATE WHILE PARKED IN HIS DRIVEWAY. HE CALLED AAA AND THEY CHANGED THE TIRE. AFTER INSPECTING THE VEHICLE, THE CONTACT NOTICED THAT THE VALVE STEM WAS RUPTURED ON THE SIDE. HE THEN TOOK THE VEHICLE TO THE DEALER AND THEY REPLACED ALL FOUR VALVE STEMS UNDER WARRANTY. A MECHANIC STATED THAT THE CHINESE VALVE STEMS WERE AN ISSUE, WHICH WERE REPLACED AT LEAST 4-5 TIMES A WEEK. THE CURRENT AND FAILURE MILEAGES WERE APPROXIMATELY 11,200. UPDATED 09/16/08 *BF UPDATED 09/19/08. *JB
TL*THE CONTACT OWNS A 2007 MERCURY GRAND MARQUIS. THE VEHICLE HAS TECH INTERNATIONAL, MODEL TR413 VALVE STEMS. THE CONTACT WAS INFORMED ON SEVERAL OCCASIONS THAT THE TIRES WERE FLAT ON HER VEHICLE. TWO VALVE STEMS WERE REPLACED IN THE ORIGINAL MICHELIN TIRES. THE DEALER THEN REPLACED ALL FOUR TIRES DUE TO THE FLAT TIRES. THE SERIAL NUMBER, PURCHASE DATE, PART NUMBER, AND VIN WERE UNKNOWN. THE CURRENT MILEAGE WAS 16,952 AND FAILURE MILEAGE WAS 16,500.
ON MAY 28, 2007, THE PASSENGER SIDE REAR TIRE WENT FLAT ON MY 2007 MERCURY MARQUIS, THE TIRE REPAIR SHOP SAID THE VALVE STEM WAS BAD. ON JUNE 8, 2008 THE DRIVER SIDE REAR TIRE WENT FLAT AND IT WAS ALSO A BAD VALVE STEM. THE CAR WAS BOUGHT USED WITH APP. 16,000 MILES AND I AM SURE THE TIRES ARE THE ORIGINAL FROM THE FACTORY. AS A PRECAUTION I REPLACED THE TWO REMAINING VALVE STEMS. *TR
IN APRIL, THE LEFT FRONT TIRE ON MY MERCURY GRAND MARQUIS WENT SUDDENLY FLAT AT HIGH SPEED ON AN INTERSTATE. THE PROBLEM WAS A SEPARATION OF THE VALVE STEM. DEALER REPLACED VALVE STEM AND TIRE UNDER WARRANTY. IN OCTOBER, MY RIGHT FRONT TIME WENT SUDDENLY FLAT, AGAIN AT HIGH SPEED ON AN INTERSTATE. PROBLEM WAS AGAIN SEPARATION OF THE VALVE STEM. MY SUBSEQUENT INSPECTION DISCLOSED THAT BOTH REAR VALVE STEMS WERE CRACKED AND ABOUT TO SEPARATE AS WELL. DEALER REPLACED 3 VALVE STEMS AND TIRE UNDER WARRANTY. I BELIEVE THE FAILURES CAN BE TRACED TO TECH INTERNATIONAL MODEL TR413 VALVE STEMS, WHICH I UNDERSTAND WERE ORIGINAL EQUIPMENT ON MY VEHICLE AND HAVE HAD NUMEROUS FAILURES. I WOULD URGE NHTSA TO ISSUE AN IMMEDIATE RECALL ON VEHICLES WITH THOSE VALVE STEMS . MILEAGE ON MY VEHICLE AT SECOND FAILURE WAS 5945. *TR
PAINT BLISTERING AND PEELING OFF THE TOP AND HOOD. *TR
TL* THE CONTACT OWNS A 2007 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT WHILE DRIVING 35 MPH, THE VEHICLE SURGED FORWARD UNTIL HEAVY PRESSURE WAS APPLIED TO THE ACCELERATOR PEDAL. THE VEHICLE WAS TAKEN DIRECTLY TO AN AUTHORIZED DEALER AND THE TRANSMISSION LINKAGE WAS REPAIRED. APPROXIMATELY THREE YEARS LATER, THE CONTACT WAS INFORMED THAT THE MASTER CYLINDER WAS LEAKING DURING A ROUTINE INSPECTION. THE INSPECTION WAS BEING PERFORMED BY AN AUTHORIZED DEALER. THE DEALER REPLACED THE MASTER CYLINDER. APPROXIMATELY TWO YEARS AFTER THE MASTER CYLINDER FAILURE, THE CONTACT EXPERIENCED A COMPLETE BRAKING LOSS. THE CONTACT STATED THAT WHILE DRIVING 40 MPH, HE APPLIED THE BRAKE PEDAL AND THE PEDAL DEPRESSED TO THE FLOOR. THE CONTACT WAS ABLE TO SUCCESSFULLY COAST TO A STOP. THE CONTACT ADDED BRAKE FLUID TO THE VEHICLE AND TOWED IT TO AN INDEPENDENT REPAIR SHOP. THE MASTER CYLINDER WAS REPLACED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 20,000.
'TAKATA RECALL'
TL*THE CONTACT OWNS A 2007 MERCURY GRAND MARQUIS. WHILE DRIVING 68 MPH, THE VEHICLE LOST POWER AND SHUT OFF. THE CONTACT RESTARTED THE VEHICLE AND DROVE HOME. SHE LATER TOOK THE VEHICLE TO THE DEALER FOR INSPECTION. THE PURCHASE DATE AND FUEL TYPE WERE UNKNOWN. THE CURRENT AND FAILURE MILEAGES WERE 6,000.
TL*THE CONTACT OWNS A 2007 MERCURY GRAND MARQUIS. WHILE DRIVING OVER 50 MPH WITH THE ALL WINDOWS DOWN, THE VEHICLE SHOOK VIOLENTLY. THE CONTACT TOOK THE VEHICLE TO THE DEALER TWO TIMES DUE TO THE FAILURE; HOWEVER, THEY WERE UNABLE TO DUPLICATE THE FAILURE. THE FIRST TIME THE VEHICLE WAS INSPECTED WAS IN NOVEMBER OF 2007. THE CONTACT INFORMED THEM THAT THE WINDOWS WERE DOWN WHEN THE FAILURE TO OCCURED, THE DEALER WAS UNABLE TO DUPLICATE THE FAILURE. THE FORD REP STATED THAT THE FAILURE WAS DUE TO WIND TURBULENCE. THE FAILURE MILEAGE WAS 2,400 AND CURRENT MILEAGE WAS 5,500. UPDATED 6/2/08 *CN THE CONSUMER ALSO FELT A VIBRATION COMING FROM THE DRIVERS SEAT.
I BOUGHT A 2007 MERCURY GRAND MARQUIS "PROGRAM CAR" IN SEPT 2007 FROM A FORD DEALER. WHEN I BOUGHT IT IT HAD 10,000 MILES ON THE ODOMETER AND THE ORIGINAL TIRES WHICH WERE IN GREAT SHAPE. WITHIN THE FIRST 2 MONTHS OF OWNERSHIP TWO DILL VALVE STEMS FAILED, IN EACH CASE CREATING A DANGEROUS DRIVING SITUATION AND IN EACH CASE COSTING ME APPROXIMATELY $200 TO REPLACE THE ASSOCIATED TIRE. AFTER THE SECOND FAILURE I HAD THE REMAINING 2 VALVE STEMS REPLACED AND THEY TOO SHOWED SIGNS OF CRACKING. I FEEL DILL OWES ME $400. *TR
THE BRAKE AND ACCELERATOR PEDALS ARE TOO CLOSE TOGETHER AND AT THE SAME HEIGHT. ON NUMEROUS OCCASIONS, WHEN ATTEMPTING TO BRAKE I FOUND MYSELF ACCELERATING SINCE THE BRAKE AND ACCELERATOR WERE BOTH DEPRESSED. THE PEDALS ARE NOT ADJUSTABLE AND I REALLY HAVE TO CONCENTRATE WHEN BRAKING TO AVOID THE ACCELERATOR PEDAL OR MY CAR JUST KEEPS ON GOING. *TR
2007 MERCURY GRAND MARQUIS ACCELERATOR PROBLEMS. CONSUMER STATES THAT THE THROTTLE IS UP TO HIGH AND HE DOESN'T EVEN HAVE TO PUSH THE ACCELERATOR DOWN, IT AUTOMATICALLY MOVES WHEN IT IS PUT INTO GEAR. *KB THE CONSUMER STATED WHEN HE REMOVED HIS FOOT FROM THE ACCELERATOR, THERE WAS NO NOTICEABLE DECELERATION. THE DEALER INFORMED THE CONSUMER THE THROTTLE CONTROL SENSOR WAS SET AT THE FACTORY AND WAS NOT ADJUSTABLE AT THE DEALER LEVEL. *JB
BRAKE AND ACCELERATOR PEDALS ARE TOO CLOSE TOGETHER AT SAME HEIGHT. ON SEVERAL OCCASIONS, WHEN ATTEMPTING TO BRAKE I FOUND MYSELF ACCELERATING SINCE THE BRAKE AND ACCELERATOR WERE BOTH DEPRESSED PEDALS WERE NOT ADJUSTABLE.*AK
ACCELERATOR PEDAL IS EASILY DEPRESSED WHEN BRAKING WITH RIGHT FOOT. *JB
2007 MERCURY GRAND MARQUIS AND 2007 FORD CROWN VICTORIA OWNER MANUALS INCORRECTLY STATE THAT THE 8TH CHARACTER OF THE VIN # MUST BE A "2" FOR THE CAR TO HAVE A FLEX FUEL ENGINE CAPABLE OF USING E-85. THIS IS INCORRECT. THE 8TH CHARACTER MUST BE A "V" FOR THE CAR TO HAVE THE FLEX FUEL ENGINE. THIS WILL BE VERY MISLEADING FOR CONSUMERS. THE COVER ON THE FUEL TANK LID SAYS ETHANOL OR UNLEADED GASOLINE ONLY. MOST CONSUMERS WILL NOT KNOW THIS MEANS THEY CAN USE E-85 AS E-85 IS NOT MENTIONED ON THE GAS CAP OR COVER.
TL* THE CONTACT OWNS A 2007 MERCURY GRAND MARQUIS. WHEN THE BRAKE PEDAL WAS DEPRESSED THE ACCELERATOR PEDAL ALSO DEPRESSED. THIS FAILURE CAUSED THE VEHICLE TO BOTH BRAKE AND ACCELERATE SIMULTANEOUSLY. THE CONTACT STATED THAT THE PEDALS WERE TOO CLOSE TOGETHER. THE DEALER AND MANUFACTURER STATED THAT NOTHING COULD BE DONE ABOUT THE FAILURE DUE TO LACK OF COMPLAINTS. THE FAILURE WAS NOTICED WHILE DRIVING 35 MPH. THE CURRENT AND FAILURE MILEAGES WERE 800. *AK
TL* THE CONTACT OWNS A 2007 GRAND MARQUIS. WHILE DRIVING 25 MPH THE POWER ADJUSTABLE FOOT PEDAL FAILED AND ALMOST CAUSED A COLLISION. AFTER APPLYING THE BRAKE PEDAL THE ACCELERATOR PEDAL ADJUSTED ITSELF WITHOUT WARNING TO THE SAME LEVEL WHICH CAUSED THE DRIVER TO ENGAGE THE ACCELERATOR PEDAL. THE FORD DEALER MISUNDERSTOOD WHAT THE FAILURE WAS, THEREFORE, DIAGNOSING THE VEHICLE TO BE OPERATING NORMALLY. A DIAGNOSIS WAS PERFORMED BY A SEC OND MECHANIC, AND WHILE DRIVING HE WAS ABLE TO DUPLICATE THE FAILURE. THE FAILURE MILEAGE WAS 180, AND THE CURRENT MILEAGE WAS 260. *AK
TL* - THE CONTACT STATED THAT WHILE DRIVING HER 2007 MERCURY GRAND MARQUIS (FAILURE MILEAGE: 1200) AT 70 MPH THE VEHICLE BEGAN TO VIBRATE UNCONTROLLABLY FOR APPROXIMATELY TEN (10) MINUTES. THE VEHICLE HAD VIBRATED ON ANOTHER OCCASION, BUT NOT AS VIOLENTLY. THE VEHICLE WAS TAKEN TO THE DEALER, BUT THE VIBRATION COULD NOT BE DIAGNOSED. *JB
LTR FWD EMAIL FM (NY) REPORTING INCIDENT OF SUDDEN UNINTENDED ACCELERATION FM OWNER OF A 2007 MERCURY GRAND MARQUIS, REPLY TO MASSAPEQUA PARK DISTRICT OFC. *TGW THE CONSUMER STATED WHILE DRIVING ON THE TURNPIKE, THE VEHICLE SUDDENLY ACCELERATED AND HE COULD NOT STOP IT, UNTIL HE TURNED OFF THE ENGINE AND COASTED QUITE A DISTANCE. THE VEHICLE WAS TOWED TO A FORD DEALERSHIP AND THE DEALER CLAIMED THERE WAS CARBON BUILDUP IN THE AIR FILTER WHICH CAUSED THE SUDDEN ACCELERATION. THE CONSUMER STATED HE EXPERIENCED THE SAME PROBLEM AGAIN. THE CONSUMER BELIEVED IT IS THE SAME PROBLEM TOYOTA'S ARE HAVING. *JB
Data synced from NHTSA on May 4, 2026