NHTSA owner reports · September 18, 2026 snapshot.
Engine And Engine Cooling complaints
74 reportsClear category filterMileage unknown · Jan 12, 2012
Engine And Engine Cooling
CAR WOULD LUNGE AT ANY SPEED, HAD TO IMMEDIATELY PRESS ON BRAKE TO KEEP FROM HITTING OTHER CARS OR JUMPING FORWARD/BACKWARD FROM PARKING SPACE. I TOOK IT TO DEALER, THEY CLEANED THE THROTTLE BODY AND FIXED THE MOTOR MOUNT (OVER $500). IN ADDITION, ROTORS HAD TO BE RESURFACED AT 30K MILES AND I NEED TO HAVE THEM REPLACED AT 77K M…
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CAR WOULD LUNGE AT ANY SPEED, HAD TO IMMEDIATELY PRESS ON BRAKE TO KEEP FROM HITTING OTHER CARS OR JUMPING FORWARD/BACKWARD FROM PARKING SPACE. I TOOK IT TO DEALER, THEY CLEANED THE THROTTLE BODY AND FIXED THE MOTOR MOUNT (OVER $500). IN ADDITION, ROTORS HAD TO BE RESURFACED AT 30K MILES AND I NEED TO HAVE THEM REPLACED AT 77K MILES. *TR
NHTSA ODI #10443565
63,866 miles · Jan 10, 2012
Electrical SystemEngine And Engine CoolingService Brakes, Hydraulic
THE FIRST INCIDENT OCCURRED WHILE I WAS AT THE STORE WITH MY CHILDREN. WE WERE LEAVING THE STORE AS I PUT THE FREESTYLE IN REVERSE, THE ENGINE MADE A LOUD "DROPPING" NOISE AND WOULD NOT REVERSE. I PUT THE CAR BACK INTO PARK AND LOOKED AROUND THE OUTSIDE TO CHECK FOR ANYTHING VISIBLE THAT WOULD HAVE CAUSED THE NOISE OR LACK OF MO…
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THE FIRST INCIDENT OCCURRED WHILE I WAS AT THE STORE WITH MY CHILDREN. WE WERE LEAVING THE STORE AS I PUT THE FREESTYLE IN REVERSE, THE ENGINE MADE A LOUD "DROPPING" NOISE AND WOULD NOT REVERSE. I PUT THE CAR BACK INTO PARK AND LOOKED AROUND THE OUTSIDE TO CHECK FOR ANYTHING VISIBLE THAT WOULD HAVE CAUSED THE NOISE OR LACK OF MOVEMENT. I NOTICED THE CAR IDLING AT A HIGH RPM. I GOT BACK IN THE CAR TO TRY AGAIN WITH NO LUCK. THIS IS WHEN THE CAR SURGED FORWARD. I THEN BECAME SCARED AND TURNED THE CAR OFF. WHEN I TURNED IT BACK ON EVERYTHING WAS "NORMAL" AGAIN. I DROVE IT STRAIGHT TO THE FORD DEALERSHIP. THEY WERE UNABLE TO DUPLICATE THE PROBLEMS AND TOLD ME TO CONTINUING DRIVING IT AGAIN UNTIL I GOT A LIGHT ON MY DASH TO PROVE TO THEM I WAS HAVING PROBLEMS. THEY SERVICED MY TRANSMISSION AT THAT TIME AS WELL TO FIND NO ISSUES. UNFORTUNATELY, THIS WAS NOT COVERED WITH THE WARRANTY SO I HAD TO PAY OUT OF POCKET. SINCE THE FIRST INCIDENT, I HAVE EXPERIENCED THIS ISSUE 5 MORE TIMES, MOSTLY WHILE IN PARKING LOTS WHILE IDLE. HOWEVER THE LAST INCIDENT WAS 1/10/12. THIS SURGE PUT MY VEHICLE IN THE INTERSECTION. I TOOK THE CAR AGAIN TO THE DEALERSHIP. THIS INCIDENT HAD THE SAME ISSUES WITH THE ENGINE SOUNDING LIKE IT WAS DROPPING WHEN SWITCHING INTO DIFFERENT GEARS AND IDLING HIGH. THE CAR WOULD NOT SWITCH OUT OF 2ND GEAR WHILE THE TECH TEST DROVE IT WITH ME. THERE WAS A NEW ISSUE THAT APPEARED WITH THIS INCIDENT. IT IS A GRINDING NOISE WHEN THE GAS WAS APPLIED. THE GRIND IS SIMILAR TO THE SOUND THE BRAKE WOULD MAKE WHEN THE ANTI-LOCK WERE TO KICK IN, EXCEPT THE BRAKES ARE NOT BEING APPLIED. THIS HAS CAUSED THE ANTI-SKID LIGHT AND ABS LIGHT TO KICK ON. I HAVE MAINTAINED MY CAR RELIGIOUSLY SINCE I PURCHASED IT SO I DO NOT BELIEVE THIS IS A MAINTENANCE ISSUE. FORD HAS BEEN UNABLE TO SOLVE THESE ISSUES, CHARGE CUSTOMERS FOR UNNECESSARY REPAIRS, AND ALLOW THE VEHICLES TO BE DRIVEN. *TR
NHTSA ODI #10443362
31,000 miles · Nov 30, 2011
Engine And Engine CoolingPower TrainVehicle Speed Control
CAR LUNGES AT STOPS AND LOW SPEEDS. *KB
NHTSA ODI #10437901
60,500 miles · Oct 15, 2011
Engine And Engine CoolingVehicle Speed Control
THE CAR WOULD LURCH FORWARD WHEN AT SLOW SPEED OR IDLING. WOULD BE VERY DIFFICULT TO CONTROL AT SLOW SPEED SUCH AS ENTERING A PARKING LOT, GARAGE OR TURNING. HAPPENED CONTINUOUSLY FOR MONTHS UNTIL WE WERE TOO CONCERNED ABOUT SAFETY OR DAMAGE TO THE CAR OR OTHERS. HAD TO KEEP FOOT PRESSED VERY HARD TO BRAKE TO AVOID HAVING THE…
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THE CAR WOULD LURCH FORWARD WHEN AT SLOW SPEED OR IDLING. WOULD BE VERY DIFFICULT TO CONTROL AT SLOW SPEED SUCH AS ENTERING A PARKING LOT, GARAGE OR TURNING. HAPPENED CONTINUOUSLY FOR MONTHS UNTIL WE WERE TOO CONCERNED ABOUT SAFETY OR DAMAGE TO THE CAR OR OTHERS. HAD TO KEEP FOOT PRESSED VERY HARD TO BRAKE TO AVOID HAVING THE CAR SHOOT FORWARD. WE KNEW MANY OTHER FREESTYLE OWNERS HAD BEEN HAVING THIS VERY DANGEROUS PROBLEM AND HOPED FOR A RECALL BUT WHEN THE ENGINE LIGHT WENT ON WE COULD AVOID IT NO LONGER AND HAD THE THROTTLE BODY REPLACED. IT COST US JUST OVER $900 PLUS TAX TO REPLACE IT. *TR
NHTSA ODI #10430308
52,000 miles · Sep 20, 2011
Engine And Engine CoolingPower Train
MY CAR WOULD SURGE FORWARDED WITH OUT ME PRESSING THE ACCELERATOR. I TOOK IT IN AND THEY COULD FIND NOTHING BECAUSE IT DIDN'T DO IT CONSTANTLY EVENTUALLY THE CAR STOPPED AND WOULD START AND THEY SAID I NEEDED A THROTTLE BODY. MY WARRANTY WAS UP AT 50,000 MI AND I HAD 52,000 I HAD TO PAY $1000 OUT OF POCKET FOR A PROBLEM THEY COU…
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MY CAR WOULD SURGE FORWARDED WITH OUT ME PRESSING THE ACCELERATOR. I TOOK IT IN AND THEY COULD FIND NOTHING BECAUSE IT DIDN'T DO IT CONSTANTLY EVENTUALLY THE CAR STOPPED AND WOULD START AND THEY SAID I NEEDED A THROTTLE BODY. MY WARRANTY WAS UP AT 50,000 MI AND I HAD 52,000 I HAD TO PAY $1000 OUT OF POCKET FOR A PROBLEM THEY COULDN'T DETECT EARLIER. NOW MY TRANSMISSION HAS GONE BAD I HAVE THE CVT TRANSMISSION AND THE INTERNAL SHAFT HAS GONE BAD AGAIN MY WARRANTY WAS UP AT 60,000 MILES AND I HAVE 64,000 I HAVE SPOKEN TO ONE OF THE MECHANICS AT A FORD DEALER AND HE SAID THEY HAVE BEEN THIS COMPLAINT FROM A LOT OF PEOPLE WITH THE 2005-2007 FORD FREE STYLES THEY THINK IT MAY BE A PROBLEM WITH THE TRANSMISSIONS BUT THEY REFUSE TO DO A RECALL. SO NOW I AM OUT OF POCKET $4000. *TR
NHTSA ODI #10426524
60,000 miles · Sep 20, 2011
Engine And Engine CoolingVehicle Speed Control
THE CAR LUNGES OR SURGES AT LOW SPEED. THE RPM GO UP 1000 RPM ON ITS OWN. THIS ONLY HAPPENS IN PARKING LOTS AT VERY LOW SPEEDS SO MY FOOT IS ALWAYS ON THE BRAKE BUT THIS COLD BE A VERY SERIOUS DEFECT CAUSING POTENTIAL INJURY TO OTHERS. *TR
NHTSA ODI #10426430
63,851 miles · Sep 18, 2011
Engine And Engine CoolingPower TrainVehicle Speed Control
THE 2007 FORD FREESTYLE WILL SOMETIMES LURCH FORWARD OR BACKWARDS FROM A STOP. IN ALL CASES THE CAR WAS INITIALLY AT A STOP WITH MY FOOT ON THE BRAKE AND WHEN I TOOK MY FOOT OFF THE BRAKE, BUT BEFORE PLACING MY FOOT ON THE ACCELERATOR, THE CAR LURCHED FORWARD IF IN DRIVE OR BACKWARDS IF IN REVERSE. THE CAR USUALLY LURCHED ABOU…
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THE 2007 FORD FREESTYLE WILL SOMETIMES LURCH FORWARD OR BACKWARDS FROM A STOP. IN ALL CASES THE CAR WAS INITIALLY AT A STOP WITH MY FOOT ON THE BRAKE AND WHEN I TOOK MY FOOT OFF THE BRAKE, BUT BEFORE PLACING MY FOOT ON THE ACCELERATOR, THE CAR LURCHED FORWARD IF IN DRIVE OR BACKWARDS IF IN REVERSE. THE CAR USUALLY LURCHED ABOUT FIVE FEET BEFORE I WAS ABLE TO STOP IT. SOMETIMES THE LURCHING WAS FOLLOWED BY THE VEHICLE STALLING AND IN THE WORST CASE THE VEHICLE STALLED, THE CHECK ENGINE LIGHT AND THE SERVICE REQUIRED LIGHT BOTH TURNED ON AND I WAS UNABLE TO RE-START THE VEHICLE FOR SEVERAL MINUTES. THE LURCHING SEEMS TO BE MORE OF A PROBLEM ON HOT DAYS. *TT
NHTSA ODI #10425924
70,000 miles · Sep 15, 2011
Engine And Engine CoolingPower TrainVehicle Speed Control
ON ABOUT 10 OCCASIONS MY FORD FREESTYLE HAS LUNGED FORWARD OR BACKWARD WHILE IN REVERSE WITHOUT ME ENGAGING THE GAS PEDAL. IT WILL STOP IF THE BRAKE IS APPLIED BUT IT OFTEN CATCHES ME OFF GUARD. ABOUT HALF OF THE TIMES THE CAR THEN CUTS OFF (ONCE WHILE ATTEMPTING TO TURN ONTO A VERY BUSY STREET). THE CAR WILL RESTART BUT OFTE…
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ON ABOUT 10 OCCASIONS MY FORD FREESTYLE HAS LUNGED FORWARD OR BACKWARD WHILE IN REVERSE WITHOUT ME ENGAGING THE GAS PEDAL. IT WILL STOP IF THE BRAKE IS APPLIED BUT IT OFTEN CATCHES ME OFF GUARD. ABOUT HALF OF THE TIMES THE CAR THEN CUTS OFF (ONCE WHILE ATTEMPTING TO TURN ONTO A VERY BUSY STREET). THE CAR WILL RESTART BUT OFTEN CUTS OFF ABOUT 2 MORE TIMES BEFORE DECIDING TO RUN CORRECTLY. USUALLY THE CHECK ENGINE LIGHT AND WRENCH SYMBOL WILL ILLUMINATE. THIS IS A VERY SCARY AND DANGEROUS PROBLEM. ON ONE OCCASION, AFTER DROPPING OF MY MOTHER AT A STORE I TOOK MY FOOT OFF OF THE BRAKE AND THE CAR LUNGED FORWARD COMING QUITE CLOSE TO MY MOM WHO WAS CROSSING IN FRONT OF MY CAR. AFTER TAKING THE CAR TO A MECHANIC, THE P061B CODE CAME UP FOR INTERNAL CONTROL MOD TORQUE CALCULATION PERFORMANCE. WHEN WE GOOGLED THIS CODE I WAS SHOCKED AT THE NUMBER OF PEOPLE WHO HAVE POSTED ON VARIOUS WEBSITES ABOUT THIS SAME PROBLEM. THANKS FOR YOUR TIME! *KB
NHTSA ODI #10425638
Mileage unknown · Sep 12, 2011
Engine And Engine CoolingVehicle Speed Control
THIS IS THE 2ND TIME MY 2007 FREESTYLE HAS STARTED LUNGING. IT WILL LUNGE IN DRIVE OR REVERSE. STARTS OUT WITH SMALL LUNGES BUT THE LUNGES GET BIGGER. THEN I FIND THAT IT WILL LUNGE SO HARD I NEED TO SLAM ON THE BRAKES. THIS CAUSES THE ENGINE TO STALL. IT IS VERY DIFFICULT TO DRIVE UPON RESTART. FIRST EXPERIENCED THE LUNGE PROBL…
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THIS IS THE 2ND TIME MY 2007 FREESTYLE HAS STARTED LUNGING. IT WILL LUNGE IN DRIVE OR REVERSE. STARTS OUT WITH SMALL LUNGES BUT THE LUNGES GET BIGGER. THEN I FIND THAT IT WILL LUNGE SO HARD I NEED TO SLAM ON THE BRAKES. THIS CAUSES THE ENGINE TO STALL. IT IS VERY DIFFICULT TO DRIVE UPON RESTART. FIRST EXPERIENCED THE LUNGE PROBLEM IN MAY, 2009. TOOK TO DEALER MECHANIC NEXT DAY AND WAS DIAGNOSED AS FAULTY THROTTLE. REPLACED THE THROTTLE AND NOW I ONCE AGAIN HAVE THE SAME PROBLEM. REPLACING THE THROTTLE BOTTLE DIDN'T SOLVE THE PROBLEM. I ALSO HAVE HAD AN ISSUE WITH MY A/C AND A BROKEN ENGINE MOUNT. NOT TRUSTING THE FORD DEALER MECHANIC, I TOOK IT TO A THIRD PARTY. THE PARTS ALONE WERE $1000.00 BECAUSE THEY COULD GET THEM FROM FORD ONLY. TOTAL COST TO REPLACE COMPRESSOR AND FIX ENGINE MOUNT $2200. YOU CAN'T DRIVE IN THE HOT ARIZONA SUMMERS WITHOUT AC. THE LUNGING SEEMS TO GET WORSE WITH THE AC ON AND WHEN TURNING THE WHEELS. MY FIRST EXPERIENCE IN 2009 AND THIS ONE HAPPENED WHILE STARTING TO BACK OUT OF PARKING SPOT. HAD AC ON AND CRAMPED WHEELS TO BACK OUT. AS I EASED BY FOOT OFF THE BRAKE, THE CAR JUST SHOT BACK ALMOST HITTING THE VEHICLE BEHIND ME. SLAMMED ON BRAKES, CAR STILL TRIED TO BACK UP THEN STALLED. THE ENGINE SOUNDS LIKE I HAVE MY FOOT ON THE BRAKE AND GAS AT THE SAME TIME. RACING AND HIGH RPMS. TAKING BACK TO DEALER TODAY. *TR
NHTSA ODI #10424734
30,600 miles · Sep 6, 2011
Engine And Engine CoolingFuel System, GasolinePower Train
AT A SLOW SPEED IN EITHER FORWARD OR REVERSE WHEN I PUT MY FOOT ON THE BRAKE THE ENGINE SPEEDS UP AND THE CAR LUNGES FORWARD OR BACKWARDS AND I HAVE TO HIT THE BRAKE HARD TO STOP IT. THIS HAS HAPPENED SEVERAL TIMES AND SEEMS TO BE HAPPENING MORE OFTEN NOW. A COUPLE OF TIMES THE ENGINE SEEDED UP WHILE THE CAR WAS IN PARK I SEE W…
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AT A SLOW SPEED IN EITHER FORWARD OR REVERSE WHEN I PUT MY FOOT ON THE BRAKE THE ENGINE SPEEDS UP AND THE CAR LUNGES FORWARD OR BACKWARDS AND I HAVE TO HIT THE BRAKE HARD TO STOP IT. THIS HAS HAPPENED SEVERAL TIMES AND SEEMS TO BE HAPPENING MORE OFTEN NOW. A COUPLE OF TIMES THE ENGINE SEEDED UP WHILE THE CAR WAS IN PARK I SEE WHERE FORD BRUSHES THE PROBLEM OFF AS BEING MINOR.I THINK THIS IS A DANGEROUS THING AND SHOULD BE CORRECTED. IF IT HAPPENS WHILE YOU ARE PARALLEL PARKING IT CAN CAUSE AN ACCIDENT . ALSO WHEN BACKING OUT OF A PARKING SPACE YOU COULD GET INTO AN ACCIDENT. WITH OVER 200 COMPLAINTS I THINK SOMETHING SHOULD BE DONE BEFORE SOMEONE IS SERIOUSLY INJURED FROM THIS DEFECT BY FORD. *TR
NHTSA ODI #10423841
NHTSA investigations
2PE11018 · Idle Instability
Opened May 11, 2011 · Closed Feb 7, 2013
Status: closed (inferred from source dates) · Vehicle Speed Control
On November 29, 2012, Ford Motor Company (Ford) initiated Customer Satisfaction Program 12N03 to extend warranty coverage terms for repair of engine idle RPM surge caused by throttle body deposits in all model year (MY) 2005 through 2007 Ford Freestyle, Five Hundred and Mercury Montego vehicles.The program extends the coverage for up to 10 years of service or 150,000 miles from the warranty start date of the vehicle (all vehicles are eligible for the program through May 31, 2013, regardless of mileage).Dealers will repair vehicles exhibiting the condition by removing and cleaning the throttle body and reprogramming the PCM with software containing an updated idle speed control strategy.According to Ford, some of the affected vehicles may experience momentary, intermittent engine idle RPM surge (idle flare) when stopped or during low speed driving maneuvers such as in a parking lot or driveway.Unstable idle speed control (dips and flares) around the target engine speed (700 rpm) can occur in vehicles with deposit build-up in the throttle body when the system adjusts engine speed in response to changes in engine load, typically from power steering application or air-conditioner compressor cycling.Idle speed control logic is only active at vehicle speeds below 3.5 mph and when the accelerator pedal is not applied.Ford testing of a vehicle with a worst case throttle body measured a maximum idle flare of 1360 RPM lasting approximately 1 second, which Ford indicated was consistent with system design to limit vehicle speed and acceleration in idle control mode.Ford indicated that the test vehicle was held in place with normal brake effort and that vehicle speed remained under 4 mph without the brake pedal applied.In addition to throttle body deposit accumulation, symptoms associated with the condition may include Check Engine lamp illumination and diagnostic trouble codes (DTCs) P0505, P0506 or P061B.Ford attributed the surge condition to changes in idle air flow resulting from the progressive buildup of deposits in the throttle body from normal Positive Crankcase Ventilation (PCV) system operation.This condition was not adequately compensated for in the original Powertrain Control Module (PCM) calibration.Ford issued a technical service bulletin on August 15, 2011 (TSB 11-8-5), releasing an updated powertrain control calibration for vehicles with CVT transmissions.On October 19, 2011, Ford issued a second bulletin (TSB 11-10-21) superseding TSB 11-8-5 and including updated powertrain control calibration for vehicles with 6-speed transmissions.Prior to Ford issuing the TSB?s, owner?s experiencing the alleged defect either received no repairs, if dealers could not duplicate the condition, or had the throttle body cleaned or replaced, which only provided temporary correction until the throttle deposit build-up returned.Ford?s revised powertrain calibrations appear to be effective remedies for the idle instability caused by build-up of throttle body deposits.However, even after the TSB?s were released, many owners experiencing the condition continued to have difficulty with proper diagnosis and repair as dealers were often either unable to duplicate the condition or were unfamiliar with the new repair procedures.Ford's new program addresses those concerns.NHTSA's testing and complaint analysis indicate that the idle speed control issue in the subject vehicles can only occur at very low speeds, are very brief events, are easily controlled by moderate brake pedal forces and result in minor increases in vehicle speed even with no braking.This investigation is closed.The closing of this in
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