NHTSA owner reports · September 18, 2026 snapshot.
Engine complaints
21 reportsClear category filter86,000 miles · Sep 12, 2014
EnginePower Train
UPON DRIVING DURING THE MONTH OF MAY AND JUNE, I WOULD NOTICE A BURNING SMELL FROM THE ENGINE AND THE DASHBOARD WOULD DEMONSTRATE ELEVATED ENGINE TEMP, EACH TIME I WOULD CHECKED UNDER THE HOOD AND I NOTICED THAT MY COOLANT RESERVOIR WOULD BE EMPTY. AFTER SEVERAL WEEKS OF THIS, I TOOK IT IN TO FIRESTONE AND I HAD TO GET THE RADIA…
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UPON DRIVING DURING THE MONTH OF MAY AND JUNE, I WOULD NOTICE A BURNING SMELL FROM THE ENGINE AND THE DASHBOARD WOULD DEMONSTRATE ELEVATED ENGINE TEMP, EACH TIME I WOULD CHECKED UNDER THE HOOD AND I NOTICED THAT MY COOLANT RESERVOIR WOULD BE EMPTY. AFTER SEVERAL WEEKS OF THIS, I TOOK IT IN TO FIRESTONE AND I HAD TO GET THE RADIATOR HOUSING, THERMOSTAT AND HOSES REPLACE BECAUSE OF A BAD LEAK. NOW AS OF SEPTEMBER, I STARTED NOTICING THAT SMELL AGAIN AND NOTICED MY COOLANT RESERVOIR WAS EITHER LOW OR EMPTY AGAIN, I HAD TO REFILLED IT SEVERAL TIMES SINCE THE JUNE 2014 REPAIR, NOW AFTER ANOTHER VEHICLE CHECK BY FIRESTONE IS WAS NOTED THAT I NEED TO HAVE MY RADIATOR REPLACE BECAUSE I HAVE A LEAK FROM THE RADIATOR NOW. I CURRENTLY HAVE ABOUT 87000 MILES ON MY VEHICLE, THIS TOO SOON TO BE REPLACING A RADIATOR. FOR SEVERAL MONTHS NOW ALSO WHENEVER I SHIFT FROM PARK TO DRIVE OR REVERSE TO DRIVE, IT IS HARD TO MOVE THE GEAR SHIFT, WHEN THE GEAR SHIFT IS FINALLY MOVED IT THE TRICK GIVES A PULL FORCE AND THEN MY TRANSMISSION SOUNDS LIKE IT IS IN OVERDRIVE OR ON 3, IT TAKES UP TO 25 MINUTES FOR THE TRANSMISSION TO CLICK OR SHIFT OVER. *TR
NHTSA ODI #10632865
110,200 miles · Aug 19, 2014
EnginePower Train
I WAS DRIVING MY EXPLORER DOWN THE ROAD WHEN ONCE AGAIN THE ENGINE SHUT DOWN. LEAVING ME WITH OUT POWER STEERING OR POWER BRAKES. THIS IS MY 2ND TIME REPORTING THIS TO NHTSA. THIS PROBLEM OF SHUTTING DOWN WHILE DRIVING HAS HAPPENED TO ME MANY TIMES BEFORE MOSTLY ON BUSY HIGHWAYS. I HAVE HAD THE EXPLORER TO THE DEALER 3 TIMES THE…
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I WAS DRIVING MY EXPLORER DOWN THE ROAD WHEN ONCE AGAIN THE ENGINE SHUT DOWN. LEAVING ME WITH OUT POWER STEERING OR POWER BRAKES. THIS IS MY 2ND TIME REPORTING THIS TO NHTSA. THIS PROBLEM OF SHUTTING DOWN WHILE DRIVING HAS HAPPENED TO ME MANY TIMES BEFORE MOSTLY ON BUSY HIGHWAYS. I HAVE HAD THE EXPLORER TO THE DEALER 3 TIMES THE FIRST 2 TIMES THEY SAID THE CAN NOT FIND THE PROBLEM. ON THE THIRD TIME I ASKED TO SPEAK WITH THE SERVICE MANAGER, AND HE FINALLY ADMITTED THAT IT IS THE POWERTRAIN CONTROL MODULE. HE ALSO SAID THAT MY EXPLORER IS NOT THE ONLY ONE WITH THIS PROBLEM, AND THAT THE PART IS IN SUCH HI DEMAND THAT THE ARE BACKORDER FOR MONTHS. I ASKED IF FORD WAS PLANNING A RECALL AND HIS ANSWER WAS "NO THE PART IS VERY PRICEY AND NO ONE HAS BEEN KILLED YET" NHTSA PLEASE LOOK INTO THIS MATTER, SOMETHING NEEDS TO BE DONE BEFORE SOMEONE IS INJURED OR KILLED BY THIS PROBLEM THAT FORD KNOWS ABOUT, BUT WILL NOT DO ANYTHING TO FIX IT. *TR
NHTSA ODI #10626272
Mileage unknown · Jun 11, 2014
Engine
TL * THE CONTACT OWNS A 2008 FORD EXPLORER. WHILE DRIVING 30 MPH, THE VEHICLE STALLED. THE VEHICLE WAS NOT REPAIRED AND THE MANUFACTURER WAS NOT NOTIFIED. THE VIN AND FAILURE MILEAGE WERE UNAVAILABLE.
NHTSA ODI #10597654
72,000 miles · Jun 3, 2014
Electrical SystemEnginePower Train
4/1- A COUPLE DAYS BEFORE 4/1, THE CHECK ENGINE LIGHT CAME ON. ON 4/1, I WAS DRIVING THE CAR ON A SIDE STREET AND IT SHUT OFF ON ME, WITHOUT WARNING. I GOT IT TOWED TO A DEALER NEAR BY AND WAS TOLD IT WAS A FAULTY ALTERNATOR. DEALER CHANGED IT... 4/10 - THE WRENCH AND THE CHECK ENGINE LIGHTS CAME ON THE DASHBOARD. I TOOK IT BAC…
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4/1- A COUPLE DAYS BEFORE 4/1, THE CHECK ENGINE LIGHT CAME ON. ON 4/1, I WAS DRIVING THE CAR ON A SIDE STREET AND IT SHUT OFF ON ME, WITHOUT WARNING. I GOT IT TOWED TO A DEALER NEAR BY AND WAS TOLD IT WAS A FAULTY ALTERNATOR. DEALER CHANGED IT... 4/10 - THE WRENCH AND THE CHECK ENGINE LIGHTS CAME ON THE DASHBOARD. I TOOK IT BACK TO THE DEALER TO HAVE IT CHECKED. THE DEALER WAS VERY PASSIVE OF THE SITUATION - BUT ULTIMATELY, HE SAID THEY WERE OLD CODES THAT NEEDED TO BE CLEARED FROM THE COMPUTER. HE CLEARED THEM AND ALL WAS SUPPOSE TO BE WELL. 4/17 - MY HUSBAND AND I WERE OUT RUNNING ERRANDS, WHEN AGAIN THE WRENCH AND THE CHECK ENGINE LIGHT CAME ON AT THE SAME TIME. MOMENTS LATER, THE CAR SHUT OFF ON US WHILE WE WERE DRIVING IN THE MIDDLE ON THE STREET. LUCKILY WE WERE ABLE TO GET IT OUT OF THE MIDDLE OF THE ROAD. WE CALLED THE DEALER AND ARRANGED TO HAVE THEM CHECK IT OUT. WE MANAGED TO GET THE CAR STARTED AND DROVE IT TO THE DEALER. 4/24 - THE DEALER TOLD US THAT THE PCM WAS BUSTED - AND THAT ALOT OF 2008 EXPLORERS WERE HAVING THIS ISSUE. UNFORTUNATELY, FORD DID NOT HAVE THE PART AVAILABLE ANYWHERE AND WE WOULD HAVE TO WAIT UNTIL AUGUST 2014 IN ORDER TO GET THE PART FIXED. RIGHT NOW, OUR CAR IS SITTING AT THE DEALER - NOT WORKING. FORD HAS DONE NOTHING TO COMPENSATE OR TO ALLEVIATE THE MENTAL AND FINANCIAL STRESS OF NOT HAVING CAR HAS DONE. *TR
NHTSA ODI #10595917
72,000 miles · May 3, 2014
EngineExterior LightingSeats
WHILE DRIVING, THE DRIVER POWER SEAT STARTS TO MOVE BACKWARDS AND FORWARD ,DOME LIGHTS CAME ON LIKE IF WHEN I TURN OFF THE CAR . BUT THE CAR IS ON AND MOVING . AND THEN TWO OCCASIONS WHILE ON THE FREEWAY DRIVING THE VEHICLE TURNED OFF. PULLED OVER AND RESTARTED THE CAR AND IT TURNED ON LIKE IF NOTHING HAPPENED. I HAD TAKEN THE…
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WHILE DRIVING, THE DRIVER POWER SEAT STARTS TO MOVE BACKWARDS AND FORWARD ,DOME LIGHTS CAME ON LIKE IF WHEN I TURN OFF THE CAR . BUT THE CAR IS ON AND MOVING . AND THEN TWO OCCASIONS WHILE ON THE FREEWAY DRIVING THE VEHICLE TURNED OFF. PULLED OVER AND RESTARTED THE CAR AND IT TURNED ON LIKE IF NOTHING HAPPENED. I HAD TAKEN THE VEHICLE TO THE DEALER SEVERAL TIMES THEY HAVE RUN DIAGNOSTIC TEST AND ARE NOT ABLE TO FIND ANY THING WRONG.DONE SOME RESEARCH ON LINE AND FOUND MORE PEOPLE WITH SAME ISSUE. EXTREMELY DANGEROUS!!! DO NOT FEEL SAFE DRIVING ESPECIALLY IN TRAFFIC. ITS AN ACCIDENT WAITING TO HAPPEN. *TR
NHTSA ODI #10586357
72,931 miles · Mar 18, 2014
Engine
THE CAR WAS TRAVELING AT 30 MPH FROM STORE TO SCHOOL IN MIDDAY TWO MILES, STARTED TICKING AND GOT LOUDER AS TRAVELING BACK HOME(2 MILE). AT HOME POPPED HOOD, LISTENED FOR NOISE ,ENGINE IDLING SMOOTHLY ,BUT TICKING OR RATHER HITTING NOISE FROM TOP OF VALVE COVER,DRIVERS SIDE FRONT,WAS VERY PREVALENT. TURNED OFF CAR AND PULLED CH…
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THE CAR WAS TRAVELING AT 30 MPH FROM STORE TO SCHOOL IN MIDDAY TWO MILES, STARTED TICKING AND GOT LOUDER AS TRAVELING BACK HOME(2 MILE). AT HOME POPPED HOOD, LISTENED FOR NOISE ,ENGINE IDLING SMOOTHLY ,BUT TICKING OR RATHER HITTING NOISE FROM TOP OF VALVE COVER,DRIVERS SIDE FRONT,WAS VERY PREVALENT. TURNED OFF CAR AND PULLED CHAIN TENSIONER OUT AND LOOKED INSIDE WITH SNAKE CAMERA AND SAW BROKEN PLASTIC PARTS ALL AROUND TIMING CHAIN AREA.I SEARCHED ONLINE AND FOUND THIS HAS BEEN HAPPENING FROM 1997 TO CURRENT. PLASTIC, VINYL PARTS IN THE MOTOR REPEATEDLY SHATTERING FOR YEARS, COSTING CONSUMERS THOUSANDS IN REPAIRS.THESE V-6 AND V-8 FORD MOTORS ARE FLAWED BECAUSE OF THESE WEAK PARTS. THIS IS A ENGINEERING BOMB, AND WHEN YOU LEAST EXPECT IT, THE TIMING CHAIN GOES BAD AT 72931.5K. THAT SHOULD NOT HAPPEN. THE MOTOR HAS TO BE PULLED TO CHANGE THE FOUR CHAIN CASSETTES, OR SINGLE CASSETTE,BECAUSE VINYL PARTS ARE IN THE PAN AND IN THE OIL GALLEYS. 18-19 HOURS ON BOOK THE REPAIRS ARE EXPENSIVE, UNREASONABLE,AND A COVER-UP. FORD COULD CHANGE THE PART, BUT CHOOSES NOT TO. AN ADDITION 3000$ TO THE COST OF OWNERSHIP IS NOT ACCEPTABLE IN THE FIRST FIVE YEARS. THAT'S WHAT THE N.H.T.S.A. IS TO BE OBSERVING. THE CAR IS INOPERABLE, FOR FEAR OF HAVING THE VALVES CONTACT THE PISTON, AND END UP WITH METAL IN THE BOTTOM OF THE OIL PAN. SOMEONE IS RESPONSIBLE FOR THE DECISION TO MAKE THESE PARTS OUT THE INFERIOR MEDIA. P.S. REGULAR OIL CHANGES ARE DOCUMENTED. *TR
NHTSA ODI #10573103
102,350 miles · Feb 3, 2014
EnginePower Train
I WAS DRIVING THE VEHICLE ON THE HIGHWAY WHEN, A WRENCH ICON APPEARED IN THE INSTRUMENT CLUSTER, AND THE ENGINE IMMEDIATELY LOST ALL POWER, I WAS ABLE TO PULL OVER TO THE SHOULDER. I THEN PUT THE VEHICLE INTO PARK AND STARTED IT WITHOUT A PROBLEM, AND WAS ABLE TO DRIVE WITHOUT A PROBLEM NO WARNING LIGHTS WERE ON. THIS HAPPENED A…
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I WAS DRIVING THE VEHICLE ON THE HIGHWAY WHEN, A WRENCH ICON APPEARED IN THE INSTRUMENT CLUSTER, AND THE ENGINE IMMEDIATELY LOST ALL POWER, I WAS ABLE TO PULL OVER TO THE SHOULDER. I THEN PUT THE VEHICLE INTO PARK AND STARTED IT WITHOUT A PROBLEM, AND WAS ABLE TO DRIVE WITHOUT A PROBLEM NO WARNING LIGHTS WERE ON. THIS HAPPENED AGAIN ABOUT 3 WEEKS LATER, WAS DRIVING ABOUT 45MPH THIS TIME A WRENCH DID NOT APPEAR WHEN THE ENGINE LOST POWER, I AGAIN WAS ABLE TO PULL OVER TO THE SHOULDER AND WAS ABLE TO RESTART THE VEHICLE, THIS TIME THE CHECK ENGINE LIGHT CAME ON. I AM BRINGING THE VEHICLE TO THE FORD SERVICE CENTER FOR DIAGNOSTIC TESTING. *TR
NHTSA ODI #10562807
135,000 miles · May 3, 2013
EnginePower Train
MY VEHICLE, A 2008 FORD EXPLORER WITH A 4.6L 3V V8 ENGINE, WENT INTO VEHICLE SAFE MODE WHILE IN RUSH HOUR TRAFFIC ON A MAJOR INTERSTATE (I-83). THE VEHICLE WAS EXPERIENCING PERIODIC MISFIRE, WHICH TRIGGERED A LOSS OF COMMUNICATION WITH THE TRANSMISSION COMPUTER MODULE (TCM). THE VEHICLE ENGINE BEGAN SHUDDERING, ALL THE DASHBOAR…
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MY VEHICLE, A 2008 FORD EXPLORER WITH A 4.6L 3V V8 ENGINE, WENT INTO VEHICLE SAFE MODE WHILE IN RUSH HOUR TRAFFIC ON A MAJOR INTERSTATE (I-83). THE VEHICLE WAS EXPERIENCING PERIODIC MISFIRE, WHICH TRIGGERED A LOSS OF COMMUNICATION WITH THE TRANSMISSION COMPUTER MODULE (TCM). THE VEHICLE ENGINE BEGAN SHUDDERING, ALL THE DASHBOARD LIGHTS LIT UP WITH A WARNING TO SERVICE VEHICLE IMMEDIATELY AND VEHICLE SPEED WOULD NOT EXCEED 20MPH. I WAS IN HEAVY STOP & GO TRAFFIC IN THE PASSING LANE AT TIME OF INCIDENT. I SHUT DOWN THE VEHICLE & ATTEMPTED TO TROUBLESHOOT THE PROBLEM WITH A CODE READER. I RECEIVED TWO CODES, MISFIRE ON CYL 8 AND LOSS OF COMM WITH TCM. I PULLED THE TCM FUSE TO RESET THE TCM AND CONTINUED ON MY WAY WITHOUT FURTHER INCIDENT. I IMMEDIATELY REPLACED ALL THE COP'S & THEN TOOK THE VEHICLE TO A FORD DEALERSHIP TO HAVE THE SPARKPLUGS REPLACED. I WAS AWARE OF THE ISSUE WITH THIS PARTICULAR MODEL FORD ENGINE AND THE 2-PIECE SPARKPLUG/CYLINDER HEAD ISSUE AND SUSPECTED THE PLUGS TO BE THE CULPRIT. I PAID THE FORD DEALERSHIP $420 TO REPLACE THE EIGHT SPARKPLUGS IN MY VEHICLE. ONLY TWO PLUGS BROKE DURING THE EXTRACTION AND THE CYLINDER HEAD DID NOT HAVE TO BE REMOVED. FORD IS WELL AWARE OF THIS ISSUE AS THEY REPLACED THE POORLY DESIGNED 3V ENGINE MIDYEAR. THEY ALSO PRODUCED A 13-PAGE TSB, SPECIAL EXTRACTION TOOL TO REPLACE SPARKPLUGS. FORD REFUSES TO ACKNOWLEDGE A DESIGN FLAW & INSTEAD BLAMES MECHANIC ERROR FOR BROKEN PLUGS. FORD MECHANICS BROKE TWO OF MY PLUGS, YET I STILL HAD TO PAY FOR THEIR ERROR! THE VEHICLE RUNS LIKE NEW AGAIN BUT WILL BE PUT UP FOR SALE SHORTLY. THIS WAS MY FIRST AND LAST FORD AS I'M VERY DISAPPOINTED WITH FORD'S RESPONSE TO THIS OBVIOUSLY POOR DESIGN FLAW. MOST IMPORTANTLY, CONTRARY TO FORD'S LAME RESPONSE, IT IS A SAFETY ISSUE WHEN YOUR VEHICLE SUDDENLY GOES INTO EMERGENCE SAFE MODE ON A 65MPH INTERSTATE! *TR
NHTSA ODI #10510487
85,000 miles · Feb 19, 2013
Engine
TL* THE CONTACT OWNS A 2007 FORD EXPLORER. THE CONTACT STATED THAT THE BOLTS THAT CONNECTED THE EXHAUST MANIFOLD TO THE ENGINE BECAME FRACTURED AT THE CONNECTION POINT. AS A RESULT, THE EXHAUST WAS CAUSING A LEAK ONTO THE WHEEL BASE. THE CONTACT TOOK THE VEHICLE TO THE DEALER AND WAS ADVISED THAT THE EXHAUST MANIFOLD NEEDED TO B…
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TL* THE CONTACT OWNS A 2007 FORD EXPLORER. THE CONTACT STATED THAT THE BOLTS THAT CONNECTED THE EXHAUST MANIFOLD TO THE ENGINE BECAME FRACTURED AT THE CONNECTION POINT. AS A RESULT, THE EXHAUST WAS CAUSING A LEAK ONTO THE WHEEL BASE. THE CONTACT TOOK THE VEHICLE TO THE DEALER AND WAS ADVISED THAT THE EXHAUST MANIFOLD NEEDED TO BE RE-BOLTED BACK ONTO THE ENGINE. THE CONTACT DID NOT HAVE THE EXHAUST MANIFOLD RE-BOLTED. THE FAILURE MILEAGE WAS 85,000.
NHTSA ODI #10499250
45,000 miles · Nov 26, 2012
Engine
MANIFOLD BOLT FAILURE, CAUSING EXHAUST GASES TO ESCAPE FROM THE EXHAUST MANIFOLD. MANY OTHER OWNERS COMPLAIN OF THIS ON ONLINE FORUMS. *TR
NHTSA ODI #10486139
NHTSA investigations
1PE08060 · 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