2007 MERCURY GRAND MARQUIS Complaints

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

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

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

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.

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

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

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.