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2008 Mercury Grand Marquis

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2008 Mercury Grand Marquis do not stand out strongly from the model-year median of 78.

About this comparison →

How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

66 reports with mileage · 12 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Steering. Review the 21 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Vehicle Speed Control. Review the 15 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 9 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

11 crash reports1 fire reports7 injury reports

What owners actually said

78 reports
25,000 miles · Nov 28, 2011
Fuel System, Gasoline

WHEN THE GAS GAUGE REGISTERS BELOW 1/2 TANK, AND THE TANK IS REFUELED TO CAPACITY, IT TAKES SEVERAL MILES DRIVING( APPROX. 30-50 MILES) FOR THE GAUGE TO REGISTER FULL. ALSO, IF THE TANK IS TOWARDS THE EMPTY MARK, AND THE CAR IS FILLED TO CAPACITY, AND THE CAR IS DRIVEN, THE LOW FUEL LIGHT WILL COME ON, AND STAY ON FOR AN EXTEND…

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WHEN THE GAS GAUGE REGISTERS BELOW 1/2 TANK, AND THE TANK IS REFUELED TO CAPACITY, IT TAKES SEVERAL MILES DRIVING( APPROX. 30-50 MILES) FOR THE GAUGE TO REGISTER FULL. ALSO, IF THE TANK IS TOWARDS THE EMPTY MARK, AND THE CAR IS FILLED TO CAPACITY, AND THE CAR IS DRIVEN, THE LOW FUEL LIGHT WILL COME ON, AND STAY ON FOR AN EXTENDED PERIOD OF TIME. AT TIMES, BEFORE THE CAR IS DRIVEN, THE CAR REFUSES TO START AS IF IT IS NOT GETTING ANY GAS. AFTER IT SETS FOR A WHILE, IT WILL START. *KB

NHTSA ODI #10437633

63,000 miles · Sep 1, 2011
Service Brakes, Hydraulic

TL* THE CONTACT OWNS A 2008 MERCURY GRAND MARQUIS. WHILE DRIVING APPROXIMATELY 35 MPH THE CONTACT BEGAN TO DEPRESS THE BRAKE PEDAL TO DECELERATE WHILE APPROACHING A TRAFFIC LIGHT. THE VEHICLE SUDDENLY ACCELERATED ON ITS OWN AND THERE WAS AN INCREASE IN THE RPMS. THE FAILURE OCCURRED INTERMITTENTLY AND OVER TIME BECAME PROGRESSIV…

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TL* THE CONTACT OWNS A 2008 MERCURY GRAND MARQUIS. WHILE DRIVING APPROXIMATELY 35 MPH THE CONTACT BEGAN TO DEPRESS THE BRAKE PEDAL TO DECELERATE WHILE APPROACHING A TRAFFIC LIGHT. THE VEHICLE SUDDENLY ACCELERATED ON ITS OWN AND THERE WAS AN INCREASE IN THE RPMS. THE FAILURE OCCURRED INTERMITTENTLY AND OVER TIME BECAME PROGRESSIVELY WORSE. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSTIC TESTING. THE TECHNICIAN WAS UNABLE TO DIAGNOSE THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 63,000. UPDATED 10/4/11 *CN THE DEALER STATED THE BRAKE PEDAL WAS ADJUSTED TO HIGH, WHICH MAY HAVE INTERFERED WITH THE ACCELERATOR PEDAL. THEY LOWERED THE AUTOMATIC BRAKE PEDAL . UPDATED 10/24/11

NHTSA ODI #10422901

64,316 miles · Aug 7, 2011
Electrical SystemEquipment

THE AA CONTROL WENT OUT IN APRIL 2010. I HAD BOUGHT A FORD CERTIFIED 2008 GRAND MARQUIS THAT WAS OVER ON THE MILAGE WARRENTY BUT STILL UNDER THE TIME WARENTY. THE BLOWER WOULD ONLY BLOW AIR THROUGHT THE DEFROSTERS UNDER THE WINDSHIELD. I BROUGHT IT TI THE DEALER WERE I PURCHASED IT AND AFTER INSPECTION DETERMONED THAT THE AC …

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THE AA CONTROL WENT OUT IN APRIL 2010. I HAD BOUGHT A FORD CERTIFIED 2008 GRAND MARQUIS THAT WAS OVER ON THE MILAGE WARRENTY BUT STILL UNDER THE TIME WARENTY. THE BLOWER WOULD ONLY BLOW AIR THROUGHT THE DEFROSTERS UNDER THE WINDSHIELD. I BROUGHT IT TI THE DEALER WERE I PURCHASED IT AND AFTER INSPECTION DETERMONED THAT THE AC CONTROL UNIT #3W7Z*19980 WENT BAD AND WAS TOLD IT NEEDED TO BE REPLACED @650.00 FORD WOULD NOT HONOR THE WARRENTY. I HAD IT RELACED. IN FEB. 2011 IT WENT OUT AGAIN. THE PART WAS COVERED UNDER THE 1 YEAR WARRENTY BUT SINCE I DRIVE FOR A LIVING FORD WOULD NOT COVER IT BEAUSE OF THE MILES. THATS ANOTHER PROBLEM THAT SHOULD BE LOOKED INTO. I LOOKED ON THE INTERNET AND FOUND THAT THERE WERE NUMEROUS TIMES THE OWNERS WERE HAVING THE SAME PROBLEM WITH THIS UNIT. MY COMPLAINT IS THIS IS A PART THAT SHOULD NEVER GO BAD IN A 2 YR. TIME FRAME THEN GO BAD AGIN IN LESS THAN A YEAR. WHATS GOING ON HERE? *TT

NHTSA ODI #10417867

27,000 miles · Jun 21, 2011
Structure

2008 MERCURY MARQUIS PAINT IS BUBBLING AND PEELING. *TR

NHTSA ODI #10407711

36,000 miles · Mar 7, 2011
Seat Belts

THE DRIVERS SIDE SEAT BELT FAILED TO LATCH, THE BUCKLE WOULD NOT GO INTO THE RECEIVER. WE TOOK IT TO LAWRENCE HALL LINCOLN MERCURY DEALERSHIP WHERE WE PURCHASED THE CAR NEW. THE TECH. SHOWED US HOW TO USE A SCREWDRIVER TO LATCH AND UNLATCH THE BELT. HE ORDER THE PART, WE TOOK THE CAR TO THE DEALERSHIP AND THE DISCOVERED IT WAS T…

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THE DRIVERS SIDE SEAT BELT FAILED TO LATCH, THE BUCKLE WOULD NOT GO INTO THE RECEIVER. WE TOOK IT TO LAWRENCE HALL LINCOLN MERCURY DEALERSHIP WHERE WE PURCHASED THE CAR NEW. THE TECH. SHOWED US HOW TO USE A SCREWDRIVER TO LATCH AND UNLATCH THE BELT. HE ORDER THE PART, WE TOOK THE CAR TO THE DEALERSHIP AND THE DISCOVERED IT WAS THE WRONG PART. THEY REORDERED THE PART AND DISCOVERED IT WAS STILL THE WRONG PART. THEY WANT US TO KEEP USING THE SCREWDRIVER. I FEEL THIS IS UNSAFE AND IF THIS IS A PROBLEM THEN THE DEPT. SHOULD KNOW ABOUT IT. WE ARE REQUIRED TO WEAR THE BELTS THEN IF THE BREAK IT SHOULD NOT TAKE 2 WEEKS TO FIX.

NHTSA ODI #10388708

4,500 miles · Feb 10, 2011
Vehicle Speed Control

TL*THE CONTACT OWNS A 2008 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT WHILE USING THE CRUISE CONTROL, APPLYING THE BRAKES AND RESUMING TO NORMAL THE VEHICLE SUDDENLY ACCELERATED TO HIGHER SPEEDS. THE VEHICLE STOPPED AFTER THE BRAKE PEDAL WAS APPLIED. THE VEHICLE WAS INSPECTED BY A DEALER WHO WAS UNABLE TO DIAGNOSE THE FAILUR…

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TL*THE CONTACT OWNS A 2008 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT WHILE USING THE CRUISE CONTROL, APPLYING THE BRAKES AND RESUMING TO NORMAL THE VEHICLE SUDDENLY ACCELERATED TO HIGHER SPEEDS. THE VEHICLE STOPPED AFTER THE BRAKE PEDAL WAS APPLIED. THE VEHICLE WAS INSPECTED BY A DEALER WHO WAS UNABLE TO DIAGNOSE THE FAILURE SINCE THEY WERE UNABLE TO DUPLICATE IT. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 4,500.

NHTSA ODI #10381481

52,500 miles · Nov 5, 2010
Engine And Engine CoolingService Brakes, Hydraulic

ON OCTOBER 27, 2010, MY WIFE WAS DRIVING WITH ME IN THE CAR AND SHE STARTED TO BRAKE FOR A RED LIGHT. SHE WAS GOING ABOUT 30 MILES PER HOUR. AS SOON AS SHE APPLIED THE BRAKE, THE ENGINE ACCELERATED AND SHE HAD TO USE A LARGE AMOUNT OF BRAKING PRESSURE TO STOP THE CAR. AS SOON AS THE CAR STOPPED, SHE TOOK HER FOOT OFF THE BRAK…

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ON OCTOBER 27, 2010, MY WIFE WAS DRIVING WITH ME IN THE CAR AND SHE STARTED TO BRAKE FOR A RED LIGHT. SHE WAS GOING ABOUT 30 MILES PER HOUR. AS SOON AS SHE APPLIED THE BRAKE, THE ENGINE ACCELERATED AND SHE HAD TO USE A LARGE AMOUNT OF BRAKING PRESSURE TO STOP THE CAR. AS SOON AS THE CAR STOPPED, SHE TOOK HER FOOT OFF THE BRAKE AND THE ENGINE RETURNED TO IDLE. YESTERDAY, I WAS DRIVING THE CAR AT APPROXIMATELY 55 MILE PER HOUR AND STARTED TO MOVE INTO THE PASSING LANE WHEN THE TRAFFIC LIGHT AHEAD TURNED RED. I APPLIED THE BRAKE AND THE SAME THING HAPPENED. I HAD TO APPLY A LARGE AMOUNT OF PRESSURE ON THE BRAKE PEDDLE IN ORDER TO STOP THE CAR WHILE THE ENGINE RACED ON. AS SOON AS THE CAR STOPPED, THE ENGINE RETURNED TO IDLE AND THE PROBLEM WAS OVER. YESTERDAY, I TOOK THE CAR TO THE DEALERSHIP WHERE IT WAS PURCHASED AND THEY KEPT THE CAR OVERNIGHT TO RUN VARIOUS TESTS. THEY FOUND NOTHING. I PICKED THE CAR UP THIS AFTERNOON AND AM GOING TO NOW TAKE IT TO ANOTHER DEALER FOR INSPECTION. *TR

NHTSA ODI #10364207

2,000 miles · Sep 29, 2010
Air Bags

2008 MERCURY GRAND MARQUIS PASSENGER SIDE AIRBAG WARNING LIGHT IS ACTIVATED INDICATING AIR BAG WILL NOT DEPLOY WHEN A PASSENGER IS SEATED . OCCURS ABOUT 10 -15 % OF THE TIME STARTING ABOUT 6 MONTHS AFTER PURCHASING THE CAR NEW .. CONDITIONS THAT HAVE BEEN OBSERVED INCLUDE RECLINING SEAT, PUSHING SEAT BACK, MAKING TURNS, HITTING…

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2008 MERCURY GRAND MARQUIS PASSENGER SIDE AIRBAG WARNING LIGHT IS ACTIVATED INDICATING AIR BAG WILL NOT DEPLOY WHEN A PASSENGER IS SEATED . OCCURS ABOUT 10 -15 % OF THE TIME STARTING ABOUT 6 MONTHS AFTER PURCHASING THE CAR NEW .. CONDITIONS THAT HAVE BEEN OBSERVED INCLUDE RECLINING SEAT, PUSHING SEAT BACK, MAKING TURNS, HITTING A BUMP OR POTHOLE . HAVE HAD IT IN FOR SERVICE ON SIX SEPARATE OCCASIONS AND DEALER CANNOT FIND ANY DIAGNOSTIC CODE INDICATING THAT THE AIRBAG SYSTEM IS MALFUNCTIONING EVEN WHEN THE AIRBAG WARNING LIGHT IS ON . THE DRIVER SIDE MASTER AIRBAG WARNING SYSTEM DOES NOT COME ON WHEN THE PASSENGER SIDE WARNING LIGHT COMES ON . FORD CONFIRMS THAT WHEN THE PASSENGER SIDE AIRBAG WARNING LIGHT COMES ON THE AIRBAG WILL NOT DEPLOY IN EVENT OF A CRASH . FORD ASSIGNED A CASE NO. XXXXXX , AVAILABLE ON REQUEST , AFTER REPEATED ATTEMPTS TO DIAGNOSE PROBLEM BY SERVICE DEPT . ,LEITH LINCOLN MERCURY, RALEIGH NC , FINALLY A FORD SERVICE ENGINEER CHECKED THE AIRBAG SYSTEM . FORD CLAIMS THE SYSTEM IS WORKING AS DESIGNED AND THAT MY WIFE'S WEIGHT 110 # IS THE PROBLEM .FORD CONFIRMS THAT WHEN THE PASSENGER SIDE WARNING LIGHT IS ON THE PASSENGER SIDE AIRBAG WILL NOT DEPLOY . FORD CANNOT EXPLAIN WHY THIS MALFUNCTION IS INTERMITTENT AND WHY SEAT POSITION , BUMPS OR TURNS CAUSE A MALFUNCTION . WE TRIED A 2010 MERCURY GRAND MARQUIS WITH SAME AIRBAG SYSTEM AND COULD NOT GET THE WARNING SYSTEM TO ACTIVATE DUPLICATING THE CONDITIONS AS NOTED ABOVE . FORD'S CUSTOMER RELATIONS DEPT REFUSES TO DO ANYTHING MORE TO FIX THE DEFECT SAYING THAT THE AIRBAG SYSTEM IS FUNCTIONING AS DESIGNED . *TR

NHTSA ODI #10358251

500 miles · Jul 27, 2010
Vehicle Speed ControlCrashInjury

TL* THE CONTACT OWNS A 2008 MERCURY GRAND MARQUIS. THE CONTACT STATED HE STARTED THE VEHICLE AND WHEN DEPRESSING THE BRAKES, THE VEHICLE ABNORMALLY ACCELERATED. THE CONTACT WAS UNABLE TO STOP THE UNINTENDED ACCELERATION AND THE VEHICLE DROVE OVER A CURB AND CRASHED INTO A SIGN. THE CONTACT AND PASSENGER BOTH SUSTAINED MINOR INJ…

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TL* THE CONTACT OWNS A 2008 MERCURY GRAND MARQUIS. THE CONTACT STATED HE STARTED THE VEHICLE AND WHEN DEPRESSING THE BRAKES, THE VEHICLE ABNORMALLY ACCELERATED. THE CONTACT WAS UNABLE TO STOP THE UNINTENDED ACCELERATION AND THE VEHICLE DROVE OVER A CURB AND CRASHED INTO A SIGN. THE CONTACT AND PASSENGER BOTH SUSTAINED MINOR INJURIES TO THEIR NECKS FROM THE SEAT BELT. THE VEHICLE SUSTAINED SUBSTANTIAL FRONT END DAMAGES. THE VEHICLE WAS TOWED TO THE DEALER AND INSPECTED BUT THE CAUSE OF THE UNINTENDED ACCELERATION FAILURE WAS NOT DISCLOSED TO THE CONTACT. THE BODY DAMAGE WAS REPAIRED AND THE CONTACT TRADED THE VEHICLE FRO ANOTHER. THE FAILURE AND CURRENT MILEAGES WERE 500. UPDATED 10/01/2010. *LJ UPDATED 10/04/10

NHTSA ODI #10345720

Mileage unknown · Jul 19, 2010
Engine And Engine CoolingStructure

MY GRAND MARQUIS LS 2008 PAINT HAVE CRACKED AND FALLING OFF THE HOOD, TOP, AND BACK. IT IS RUSTED ON TOP WERE THE PAINT HAVE PEEL OFF AND NOW ITS STARTING ON THE HOOD. TOOK BACK TO DEALER AND WAS TOLD THAT THE PAINT ON CAR WAS NOT COVER. IT START PEELING TWO MONTH AFTER WE GOT THE CAR DIDN'T HAVE THEM MANY MILES. SO WHAT CAN BE …

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MY GRAND MARQUIS LS 2008 PAINT HAVE CRACKED AND FALLING OFF THE HOOD, TOP, AND BACK. IT IS RUSTED ON TOP WERE THE PAINT HAVE PEEL OFF AND NOW ITS STARTING ON THE HOOD. TOOK BACK TO DEALER AND WAS TOLD THAT THE PAINT ON CAR WAS NOT COVER. IT START PEELING TWO MONTH AFTER WE GOT THE CAR DIDN'T HAVE THEM MANY MILES. SO WHAT CAN BE DONE ABOUT MY CAR PEELING PAINT. EVERY TIME YOU WASH THE CAR MORE PAINT COMING OFF. AFTER THAT THE ENGINE COOLING SYSTEM WENT OUT AND THEY TOLD ME THEY ARE RESPONSIBLE. *TR

NHTSA ODI #10343948

Official recalls

3

14V704000 · Steering:rack And Pinion:pinion Shaft

Nov 5, 2014

Ford Motor Company (Ford) is recalling certain model year 2005-2011 Ford Crown Victoria, 2005-2011 Mercury Grand Marquis vehicles manufactured March 23, 2004, to August 30, 2011, and 2005-2011 Lincoln Town Car vehicles manufactured March 8, 2004, to August 30, 2011, and on which the upper intermediate shaft was serviced during the course of safety recall 13V-385. The prior repairs may not have been correctly performed.

Consequence & remedy

Consequence: Improper servicing of the upper intermediate shaft could cause the shaft to separate, which can then result in a loss of steering control, and increasing the risk of a crash.

Remedy: Ford will notify the owners of vehicles whose repair records reflect that the upper intermediate steering shaft was repaired during the course of the prior recall 13V-385. Dealers will inspect and replace the upper immediate shaft if necessary free of charge. The recall began November 17, 2014. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 14S25.

13V385000 · Steering

Aug 29, 2013

Ford is recalling certain model year 2005-2011 Ford Crown Victoria (including Crown Victoria Police Interceptors), Mercury Grand Marquis, and Lincoln Town Car vehicles. The affected vehicles are currently registered or were originally sold in Connecticut, Delaware, the District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, Virginia, West Virginia, and Wisconsin. Severe corrosion can seize the lower intermediate shaft which may cause the upper intermediate shaft to collapse and the steering column lower bearing to separate.

Consequence & remedy

Consequence: If the lower bearing separates, the vehicle may experience a loss of steering, increasing the risk of a crash.

Remedy: Ford will notify owners and dealers will replace the lower intermediate shaft, free of charge. The upper intermediate shaft and steering column lower bearing will be inspected to identify any damage that may have occurred as a result of lower intermediate shaft corrosion, and repaired or replaced as necessary. If the steering column lower bearing has separated, a retainer clip will be installed. The recall began on October 23, 2013. Owners may contact Ford at 1-866-436-7332. Ford's recall number is 13S08.

07V270000 · Suspension:front:hub

Jun 26, 2007

ON CERTAIN PASSENGER VEHICLES, A FRONT WHEEL BEARING AND HUB ASSEMBLY MAY FRACTURE DUE TO IMPROPER HEAT TREATMENT.

Consequence & remedy

Consequence: IF A HUB FRACTURES, IT MAY POTENTIALLY DETACH FROM THE WHEEL KNUCKLE, RESULTING IN THE WHEEL BEING RETAINED ONLY BY THE BRAKE CALIPER ASSEMBLY. AS A RESULT, THE WHEEL MAY SEPARATE FROM THE VEHICLE POTENTIALLY RESULTING IN A CRASH.

Remedy: DEALERS WILL INSPECT BOTH FRONT WHEEL BEARING AND HUB ASSEMBLIES AND REPLACE THEM FREE OF CHARGE. THE RECALL BEGAN ON JUNE 22, 2007. OWNERS MAY CONTACT FORD AT 1-800-392-3673.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

PE08060 · Tire Valve Cracking

Opened Oct 14, 2008 · Closed Apr 9, 2009

Status: closed (inferred from source dates) · Tires:valve

ON OCTOBER 14, 2008, ODI OPENED PE08-060 TO INVESTIGATE ALLEGATIONS OF CRACKED AND LEAKING SNAP-IN TIRE VALVES IN MODEL YEAR (MY) 2007 VEHICLES MANUFACTURED BY FORD MOTOR COMPANY.THE VALVES WERE SUPPLIED TO FORD BY TOPSEAL AUTO-PARTS, A SUBSIDIARY OF THE SHANGHAI BAOLONG AUTOMOTIVE CORPORATION IN CHINA.VALVES MADE BY TOPSEAL FOR AFTERMARKET SALE WERE THE SUBJECT OF TWO RECENT SAFETY RECALLS BY TECH INTERNATIONAL (08T-018) AND DILL AIR CONTROLS (08T-028), THE LATTER OF WHICH WAS INVESTIGATED BY ODI IN PE08-036 AND EA08-022.THE DEFECT CONDITIONS ADDRESSED BY THE AFTERMARKET TIRE VALVE RECALLS BOTH INVOLVED INADEQUATE RESISTANCE TO OZONE CRACKING DUE TO ISSUES WITH THE SUPPLY OF ANTI-OZONANT CHEMICALS TO TOPSEAL FOR A PERIOD FROM JULY TO MID-NOVEMBER 2006.THE AFTERMARKET VALVES WERE COMPOUNDED WITH A BLEND OF EPDM AND NATURAL RUBBER, USING A RELATIVELY LOW PERCENTAGE OF EPDM (EPDM PROVIDES INHERENT RESISTANCE TO OZONE CRACKING).HENCE, THE NEED FOR ANTI-OZONANT CHEMICALS AND THE PROBLEMS WITH CRACKING WHEN THOSE CHEMICALS WERE MISSING OR OUT OF SPECIFICATION IN SOME LOTS OF VALVES.BOTH RECALL CAMPAIGNS INVOLVED INSPECTION PROGRAMS TO IDENTIFY AND REPLACE VALVES WITH VISIBLE SURFACE CRACKING.ALTHOUGH THE TOPSEAL VALVES SUPPLIED TO FORD ALSO APPEAR TO HAVE BEEN AFFECTED BY THE ANTI-OZONANT SUPPLY ISSUES IN MID TO LATE-2006, FORD INDICATED THAT ITS VALVES WERE MADE AT A DIFFERENT TOPSEAL PRODUCTION LINE AND WERE COMPOUNDED WITH A HIGHER PERCENTAGE OF EPDM RUBBER TO MEET MORE STRINGENT SPECIFICATIONS FROM FORD.ODI'S ANALYSIS OF COMPLAINT AND WARRANTY DATA PROVIDED BY FORD SHOWED THAT PROBLEMS WITH CRACKED TIRE VALVES WERE SIGNIFICANTLY HIGHER FOR MY 2007 VEHICLES PRODUCED FROM DECEMBER 2006 THROUGH MARCH 2007.FORD RESPONDED BY IMPLEMENTING CHANGES IN ITS MATERIAL SPECIFICATIONS FOR SNAP-IN RUBBER TIRE VALVES AND ALSO INCREASING THE QUALITY AND ACCEPTANCE STANDARDS FOR VALVES IMPORTED FOR USE IN ITS VEHICLES.WHILE THE COMPLAINT AND WARRANTY CLAIM RATES ARE ELEVATED FOR SUBJECT VEHICLES PRODUCED FROM DECEMBER 2006 THROUGH MARCH 2007, THE RATES OF LEAKING VALVES ARE WELL BELOW ONE PERCENT OF PRODUCTION FOR EACH OF THE PEAK MONTHS FOR ALL OF THE AFFECTED MODELS.A SUBSTANTIAL MAJORITY OF THE SUBJECT VEHICLES ARE EQUIPPED WITH TIRE PRESSURE MONITORING SYSTEMS (TPMS) WHICH WARN THE DRIVER WHEN ANY TIRE PRESSURES DROPS BELOW 25 PERCENT OF RECOMMENDED INFLATION PRESSURE. AS OUTLINED IN A LETTER TO ODI DATED APRIL 6, 2009, FORD HAS AGREED TO SEND LETTERS TO OWNERS OF CERTAIN MY 2007 AND 2008 FORD, LINCOLN AND MERCURY VEHICLES TO PROVIDE INFORMATION ABOUT THE CRACKING CONCERN. LETTERS WILL BE SENT TO OWNERS OF VEHICLES BUILT FROM NOVEMBER 2006 THROUGH MAY 2007.OWNERS CAN OPT FOR A FREE DEALER INSPECTION.VALVES EXHIBITING SURFACE CRACKS OR AIR LEAKAGE RELATED TO OZONE ATTACK WILL BE REPLACED BY FORD UNDER ITS NORMAL WARRANTY TERMS.FORD EXPECTS TO SEND THE LETTER BY APPROXIMATELY MID-MAY 2009. BASED ON THE USE OF TPMS IN THE MAJORITY OF SUBJECT VEHICLES AND THE RELATIVELY LOW RATES OF REPAIRS ASSOCIATED WITH LEAKING VALVES AND RESULTANT TIRE DAMAGE, ODI BELIEVES THAT THE ACTIONS FORD HAS AGREED TO TAKE WILL PROVIDE EFFECTIVE AND EXPEDITIOUS RESOLUTION FOR VEHICLES THAT WERE BUILT DURING THE PERIOD WHEN VALVES WITH INADEQUATE RESISTANCE TO OZONE CRACKING WERE MOST LIKELY TO HAVE BEEN USED IN VEHICLE PRODUCTION.FURTHER INVESTIGATION OF THIS MATTER WOULD NOT BE AN EFFICIENT ALLOCATION OF AGENCY RESOURCES.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL CONTINUE TO