NHTSA owner reports · September 18, 2026 snapshot.
Engine And Engine Cooling complaints
128 reportsClear category filter104,000 miles · Aug 23, 2011
Engine And Engine CoolingPower Train
RADIATOR LEAKING INTO THE TRANSMISSION CAUSING TRANSMISSION DAMAGE, REQUIRING A NEW RADIATOR AND TRANSMISSION. NISSAN KNOWS THIS IS AN ISSUE AND HAS NOT NOTIFIED CUSTOMERS TO FIX THIS PRIOR TO THE PART FAILING TO PREVENT MAJOR DAMAGE. THEY EXTENDED THE WARRANTY TO 85K MILES FOR THAT PART, BUT IT NEEDS TO FAIL FOR THEM TO COVER…
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RADIATOR LEAKING INTO THE TRANSMISSION CAUSING TRANSMISSION DAMAGE, REQUIRING A NEW RADIATOR AND TRANSMISSION. NISSAN KNOWS THIS IS AN ISSUE AND HAS NOT NOTIFIED CUSTOMERS TO FIX THIS PRIOR TO THE PART FAILING TO PREVENT MAJOR DAMAGE. THEY EXTENDED THE WARRANTY TO 85K MILES FOR THAT PART, BUT IT NEEDS TO FAIL FOR THEM TO COVER THE REPAIR. I COULD HAVE REPLACED THE PART FOR AROUND $400 PREVENTING THE DAMAGE TO THE TRANSMISSION, IF NISSAN WOULD HAVE TOLD ITS CUSTOMERS. NOW I HAVE HAD TO REPLACE THE TRANSMISSION FOR $4000 AND RENT A CAR FOR ONE MONTH AT $800. THE DAMAGE OCCURRED WHEN I WAS DRIVING. FORTUNATELY I WAS NOT ON A BUSY HIGHWAY WHEN THE TRANSMISSION FAILED. IT TOOK SO LONG TO FIX THE TRANSMISSION BECAUSE PARTS ARE ON BACK ORDER TO REPAIR THE TRANSMISSION. *TR
NHTSA ODI #10421136
86,000 miles · Jul 20, 2011
Engine And Engine CoolingPower Train
TL* THE CONTACT OWNS 2007 NISSAN PATHFINDER. THE CONTACT STATED WHILE DRIVING, THE VEHICLE WAS VIBRATING. HE ALSO MENTIONED THAT WHEN HE APPLIED THE ACCELERATOR PEDAL IT WOULD NOT ENGAGE IMMEDIATELY. THE VEHICLE WAS TAKEN TO A LOCAL MECHANIC WHO DIAGNOSED THAT THE CONTROLLER AT THE BOTTOM OF THE RADIATOR MALFUNCTIONED CAUSING T…
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TL* THE CONTACT OWNS 2007 NISSAN PATHFINDER. THE CONTACT STATED WHILE DRIVING, THE VEHICLE WAS VIBRATING. HE ALSO MENTIONED THAT WHEN HE APPLIED THE ACCELERATOR PEDAL IT WOULD NOT ENGAGE IMMEDIATELY. THE VEHICLE WAS TAKEN TO A LOCAL MECHANIC WHO DIAGNOSED THAT THE CONTROLLER AT THE BOTTOM OF THE RADIATOR MALFUNCTIONED CAUSING THE TRANSMISSION AND COOLANT FLUIDS TO MIX, AS A RESULT THE RADIATOR AND TRANSMISSION NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE BUT DID NOT OFFER ANY ASSISTANCE SINCE THE WARRANTY HAD EXPIRED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 86,000 AND THE CURRENT MILEAGE WAS 86,992.
NHTSA ODI #10413780
110,000 miles · Jul 18, 2011
Engine And Engine CoolingPower Train
MY SON WAS ON HIS WAY TO SCHOOL WHEN I RECEIVED A CALL FROM HIM INFORMING ME THAT THE PATHFINDER WAS RUNNING HOT. I ADVISED HIM TO PULL OVER AND WAIT UNTIL I ARRIVE. WHEN I LET THE HOOD UP, I SAW FOAM-LIKE SUBSTANCES COMING FROM THE RADIATOR. I HAD THE VEHICLE TOWED TO A MECHANIC SHOP TO HAVE IT CHECKED OUT. HE INFORMED ME T…
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MY SON WAS ON HIS WAY TO SCHOOL WHEN I RECEIVED A CALL FROM HIM INFORMING ME THAT THE PATHFINDER WAS RUNNING HOT. I ADVISED HIM TO PULL OVER AND WAIT UNTIL I ARRIVE. WHEN I LET THE HOOD UP, I SAW FOAM-LIKE SUBSTANCES COMING FROM THE RADIATOR. I HAD THE VEHICLE TOWED TO A MECHANIC SHOP TO HAVE IT CHECKED OUT. HE INFORMED ME THAT THE RADIATOR HAD BURST AND LEAKED INTO THE TRANSMISSION. HE CHANGED THE RADIATOR AND INFORMED ME THAT THE TRANSMISSION WOULD STOP WORKING SOON. SINCE THAN, I HAVE CHANGED THE FLUID 3 TIMES @ $60.00 EACH TIME AND THE FLUID IS STILL PINKISH. NOW MY TRANSMISSION VIBRATES BETWEEN 40 AND 50 MPH *KB
NHTSA ODI #10413477
86,000 miles · Jul 5, 2011
Engine And Engine CoolingPower Train
2007 NISSAN PATHFINDER. COOLER FOR TRANSMISSION FLUID RESIDES IN RADIATOR. RADIATOR CRACKS, ALLOWING ENGINE COOLANT INTO TRANSMISSION, DESTROYING TRANSMISSION. *KB
NHTSA ODI #10410547
71,000 miles · Jun 13, 2011
Engine And Engine Cooling
A HIGH PITCHED WHINING NOISE FROM UNDER THE HOOD ON A 2007 NISSAN PATHFINDER. TOOK THE CAR TO THE DEALERSHIP IN MODESTO CALIFORNIA AND MY WIFE WAS TOLD THAT IT WOULD COST 1,300 TO REPLACE THE TIMING CHAIN TENSIONERS OR MORE IF THE TIMING CHAIN(S) WERE BAD. THE CAR HAS 71, 000 MILES AND I WAS TOLD THAT IT WOULD NOT BE COVERED UN…
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A HIGH PITCHED WHINING NOISE FROM UNDER THE HOOD ON A 2007 NISSAN PATHFINDER. TOOK THE CAR TO THE DEALERSHIP IN MODESTO CALIFORNIA AND MY WIFE WAS TOLD THAT IT WOULD COST 1,300 TO REPLACE THE TIMING CHAIN TENSIONERS OR MORE IF THE TIMING CHAIN(S) WERE BAD. THE CAR HAS 71, 000 MILES AND I WAS TOLD THAT IT WOULD NOT BE COVERED UNDER THE WARRANTY. MY WIFE WAS TOLD THE CAR WAS SAFE TO DRIVE AND WAS TOLD THAT THERE WAS NO RISK OF FURTHER DAMAGE TO VEHICLE. I HAVE READ SEVERAL OTHER INSTANCES WHERE TIMING CHAIN COMPONENTS FAIL JUST BEYOND THE MANUFACTURE'S STATED WARRANTY. THE ISSUE HAS HAD A TSB SINCE JULY OF 2007 #07042A. I HAVE HAD ALL OF MY SERVICE DONE AT THIS DEALER AND I HAD NEVER BEEN ADVISED ABOUT THE TSB OR THE NOISE. THE TIMING CHAIN NOR THE TENSIONERS SHOULD NOT FAIL AT 70,000 MILES. I ALSO HAVE UNEVEN TIRE WEAR WITH NO ALIGNMENT ISSUES. VEHICLE=LEMON. *TR
NHTSA ODI #10406166
13,500 miles · Jan 3, 2011
Engine And Engine Cooling
RECEIVED WARRANTY EXTENSION ON MY 2007 PATHFINDER RADIATOR TO 80,000. RADIATOR HAS FAULTY TRANSMISSION COOLER INSIDE WHICH LEAKS INTO TRANSMISSION CAUSING TRANSMISSION FAILURE. WHY NOT A RECALL. CALLED NISSAN CORPORATE AND THEY SAID THEY WILL ONLY FIX THE KNOWN DEFECT AFTER THE FAILURE WHICH OF COURSE LEAVES YOU STRANDED SOME…
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RECEIVED WARRANTY EXTENSION ON MY 2007 PATHFINDER RADIATOR TO 80,000. RADIATOR HAS FAULTY TRANSMISSION COOLER INSIDE WHICH LEAKS INTO TRANSMISSION CAUSING TRANSMISSION FAILURE. WHY NOT A RECALL. CALLED NISSAN CORPORATE AND THEY SAID THEY WILL ONLY FIX THE KNOWN DEFECT AFTER THE FAILURE WHICH OF COURSE LEAVES YOU STRANDED SOMEWHERE. THIS MAKES THE VEHICLE AN UNRELIABLE MODE OF TRANSPORTATION, ESPECIALLY ON LONG TRIPS. VERY DISSATISFIED WITH THIS VEHICLE DUE TO TRANSMISSION COOLER DEFECTS, TIMING CHAIN TENSIONER DEFECT, AND THE FUEL GAUGE INOP DEFECT. THESE ARE ALL MAJOR DEFECTS IN WHICH NISSAN GOT OFF EASY BY WARRANTY EXTENSIONS AND NOT PREVENTATIVE REPAIRS OF KNOWN DEFECTS. *TR
NHTSA ODI #10373990
54,000 miles · Aug 24, 2010
Engine And Engine Cooling
LIKE SOME OF THE OTHER COMPLAINTS, I ALSO HAD TRANSMISSION PROBLEMS WITH MY 2007 NISSAN PATHFINDER. IN OCTOBER 2009, WITH 48,000 MILES, MY TRANSMISSION STARTED TO ACT UP, SHIFTING IN AND OUT OF OVERDRIVE VERY ABRUPTLY, AND VIOLENTLY. ALSO, WHEN I WAS AT A CRUISING RPM OF 1500-2500 RPM, IN OVERDRIVE, THE CAR WOULD VIBRATE VERY VI…
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LIKE SOME OF THE OTHER COMPLAINTS, I ALSO HAD TRANSMISSION PROBLEMS WITH MY 2007 NISSAN PATHFINDER. IN OCTOBER 2009, WITH 48,000 MILES, MY TRANSMISSION STARTED TO ACT UP, SHIFTING IN AND OUT OF OVERDRIVE VERY ABRUPTLY, AND VIOLENTLY. ALSO, WHEN I WAS AT A CRUISING RPM OF 1500-2500 RPM, IN OVERDRIVE, THE CAR WOULD VIBRATE VERY VIOLENTLY. I TOOK IT TO THE DEALERSHIP, AND THEY STATED THAT IT WAS THE TRANSMISSION, AND FORTUNATE FOR ME, IT WAS COVERED UNDER WARRANTY. 6,000 MILES LATER, IN FEBRUARY 2010, THE PROBLEM CAME BACK. ONCE AGAIN, I TOOK IT TO THE DEALER. THIS TIME THEY STATED THAT THEY FOUND ANTIFREEZE IN THE TRANSMISSION FLUID. THEY STATED THAT THEY NEEDED TO CONTACT A NISSAN REP FOR FURTHER INSTRUCTIONS. 3 DAYS LATER I RECEIVED A CALL STATING THE PROBLEM (ANTIFREEZE WAS LEAKING INTO THE TRANSMISSION LINES FROM INSIDE THE RADIATOR, AND IT NEEDED REPLACED), AND THEY SAID THAT NISSAN WOULD COVER THE TRANSMISSION, BUT NOT THE RADIATOR. WHEN ASKED THE PRICE OF THE RADIATOR, THEY QUOTED ME 650 DOLLARS! THE RADIATOR ENDED UP COSTING ME 677 DOLLARS AFTER TAXES, AND THEY REPLACED THE TRANSMISSION UNDER WARRANTY, ALTHOUGH THEY STATED THAT THEY SHOULD NOT, SINCE THE PROBLEM WAS DUE TO THE RADIATOR. I SEE THAT THIS WAS NOT JUST A FLUKE PROBLEM WITH MY VEHICLE, BUT IT SEEMS TO BE COMMON WITH THIS VEHICLE. SOMETHING NEEDS TO BE ADDRESSED OVER THIS MATTER, FOR IT IS A SAFTEY ISSUE, AND SOMEONE IS BOUND TO GET INJURED, IF THEY HAVE NOT ALREADY. I HAVE FOUND HUNDREDS OF COMPLAINTS ONLINE OVER THE LEAKING AND MIXING INSIDE OF THE RADIATOR, LEADING TO THE TRANSMISSION PROBLEM. TODAY, ON AUGUST 24, 2010, I LEARNED THAT THE TORQUE CONVERTER WILL NOW NEED REPLACED. A 2007 NISSAN PATHFINDER WITH 64K MILES, ON ITS 3RD TRANSMISSION, NEW RADIATOR, AND NOW WILL NEED A TORQUE CONVERTER. THIS IS UNACCEPTABLE!!! NISSAN REFUSES TO ACCEPT FAULT FOR THE PROBLEM. *TR
NHTSA ODI #10351573
65,000 miles · Sep 29, 2009
Engine And Engine Cooling
A HIGH PITCHED HUMMING/WHINING NOISE FROM UNDER THE HOOD ON A 2007 NISSAN PATHFINDER. TOOK TO DEALERSHIP AND AFTER PERFORMING A DIAGNOSTIC CHECK, THEY STATED THAT IT WAS THE TIMING CHAIN AND IT WOULD BE $935.00 TO REPAIR. I ASKED THAT SINCE THE CAR WAS ONLY TWO YEARS OLD WITH MAINTENANCE RECORDS SHOULDN'T IT BE UNDER WARRANTY. T…
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A HIGH PITCHED HUMMING/WHINING NOISE FROM UNDER THE HOOD ON A 2007 NISSAN PATHFINDER. TOOK TO DEALERSHIP AND AFTER PERFORMING A DIAGNOSTIC CHECK, THEY STATED THAT IT WAS THE TIMING CHAIN AND IT WOULD BE $935.00 TO REPAIR. I ASKED THAT SINCE THE CAR WAS ONLY TWO YEARS OLD WITH MAINTENANCE RECORDS SHOULDN'T IT BE UNDER WARRANTY. THEY STATED THAT SINCE I HAD 65,000 MILES I MISSED THE DEADLINE BY 5,000 MILES AND IT WAS O.K. TO KEEP DRIVING AND NOT TO WORRY ABOUT IT. I RESEARCHED AND FOUND THAT THEY HAVE HAD A SERVICE BULLETIN (NTB07-042A) OUT ABOUT THIS ISSUE SINCE APRIL, 17,2009. I HAVE HAD MY VEHICLE IN A FEW TIMES SINCE THE BULLETIN CAME OUT AND FEEL THAT THEY SHOULD HAVE NOTIFIED ME ESPECIALLY SINCE I HAVE PAID FOR ANOTHER BULLETIN ISSUE REGARDING THE FUEL GAUGE(REFERENCE SERVICE BULLETIN NTB07-069B) THAT COST ME $395.00. I FEEL THE DEALERSHIP IS NEGLIGENT IN ADVISING MY WIFE TO NOT WORRY ABOUT THE TIMING CHAIN AND TO GO AHEAD AND DEAL WITH IT LATER. IT APPEARS THAT THEY WANTED MORE MILEAGE TO PLACED ON THE VEHICLE SO THEY WOULD HAVE A STRONGER CLAIM DOWN THE ROAD TO NOT PAY FOR THE REPAIRS THAT WERE MENTIONED ON A BULLETIN FIVE MONTHS PRIOR -WHICH MEANS THAT ISSUES HAVE EXISTED LONG BEFORE THIS TIME FRAME FOR A BULLETIN TO BE ISSUED. I LIVE IN ATLANTA, GA., A MAJOR METROPOLITAN CITY AND I FEEL THAT THE DEALERSHIP PUT MY FAMILY AT RISK BY ADVISING THAT THE VEHICLE WAS SAFE TO DRIVE OFF THE LOT BECAUSE WHENT HE TIMING CHAIN GOES THE CAR LOOSES THE CAPABILITY TO FUNCTION - WHICH IS NOT SAFE ON THE BUSY MAJOR INTERSTATE SYSTEM. I HAVE SEEN A FEW INTERNET THREADS THAT MENTION SIMILAR EXPERIENCES. REGARDING THE FUEL GAUGE ISSUE (NTB07-069B), THIS SERVICE BULLETIN CAME OUT AUGUST 12TH, 2009 I HAD TO HAVE THIS WORK DONE ON 04/24/2009 AND IT COST ME THE $395.00. I HAVE ALSO HAD THE VEHICLE IN AND REPAIRED AT MY COST FOR SERVICE BULLETIN (NTB07-063)...ANOTHER BULLETIN I DISCOVERED TODAY. THE MAIN POINT IS A TIMING CHAIN SHOULD NOT GO OUT AT 65,000 MILES...VEHICLE = LEMON. *TR
NHTSA ODI #10285597
Official recalls
1Dec 29, 2008
NISSAN IS RECALLING 242,720 MY 2005-2009 PATHFINDER, FRONTIER AND XTERRA VEHICLES ORIGINALLY SOLD IN OR CURRENTLY REGISTERED IN THE STATES OF CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WEST VIRGINIA, WISCONSIN, AND THE DISTRICT OF COLUMBIA. IN THOSE AREAS OF THE COUNTRY WHICH USE HEAVY CONCENTRATIONS OF ROAD SALT IN THE WINTER, A MIXTURE OF SNOW/WATER AND SALT CAN ENTER INTO THE FRONT CRASH ZONE SENSOR (CZS) HOUSING. IF THIS OCCURS, THE CZS MAY INTERNALLY RUST RESULTING IN A SIGNAL INTERRUPTION. IF THIS HAPPENS, THE RED AIR BAG WARNING LIGHT WILL ILLUMINATE TO ALERT THE VEHICLE OPERATOR.
Consequence & remedy
Consequence: THIS ISSUE COULD RESULT IN THE NON-DEPLOYMENT OF THE DRIVER AND PASSENGER FRONT AIR BAGS IN A CRASH, INCREASING THE RISK OF PERSONAL INJURY.
Remedy: DEALERS WILL REPLACE THE FRONT CZS WITH A REDESIGNED SENSOR. THE RECALL BEGAN ON JANUARY 26, 2009. OWNERS IN THE OTHER STATES WILL RECEIVE EXTENDED WARRANTY COVERAGE FOR THE SENSOR TO 10 YEARS. THESE OWNERS WILL BE NOTIFIED OF THE WARRANTY EXTENSION BY MAIL AND WILL RECEIVE A STICKER TO PLACE IN THEIR WARRANTY BOOKLET EXPLAINING THE EXTENDED WARRANTY COVERAGE. OWNERS MAY CONTACT NISSAN AT 1-800-647-7261.
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
1DP12004 · Transmission Failures
Opened Jun 11, 2012 · Closed Oct 22, 2016
Status: closed (inferred from source dates) · Power Train; Power Train:automatic Transmission; Power Train:automatic Transmission:control Module (tcm/pcm/tecm); Power Train:automatic Transmission:cooling Unit And Lines; Power Train:automatic Transmission:torque Converter
On February 29, 2012 the National Highway Traffic Safety Administration (NHTSA) received a letter petitioning the agency to conduct a defect investigation into MY 2005-2010 Nissan Pathfinder, Frontier, and Xterra vehicles [the subject vehicles] for automatic transmission failures related to failed transmission coolers.NHTSA conducted a comprehensive review of data related to this subject. Our report, documenting this review, is available in the document file for this defect petition.It will also be published in the Federal Register. Of the 2,505 referenced complaints, 638 relate to a potential hazard (unable to maintain speed, no motive power, engine stall) and 1,867 concern customer satisfaction issues including, but not limited to, repair cost, vehicle shudder and shake, and engine overheating.Taking into account the allocation of agency resources and priorities and the likelihood that additional investigation would result in a finding that an unreasonable risk to highway safety exists, we conclude that further investigation is not warranted and deny the petition.ODI Complaint ID numbers are referenced on the next page.
Additional source detail variants (5)
Power Train:automatic Transmission:control Module (tcm/pcm/tecm)
On February 29, 2012 the National Highway Traffic Safety Administration (NHTSA) received a letter petitioning the agency to conduct a defect investigation into MY 2005-2010 Nissan Pathfinder, Frontier, and Xterra vehicles [the subject vehicles] for automatic transmission failures related to failed transmission coolers.NHTSA conducted a comprehensive review of data related to this subject. Our report, documenting this review, is available in the document file for this defect petition.It will also be published in the Federal Register. Of the 2,505 referenced complaints, 638 relate to a potential hazard (unable to maintain speed, no motive power, engine stall) and 1,867 concern customer satisfaction issues including, but not limited to, repair cost, vehicle shudder and shake, and engine overheating.Taking into account the allocation of agency resources and priorities and the likelihood that additional investigation would result in a finding that an unreasonable risk to highway safety exists, we conclude that further investigation is not warranted and deny the petition.ODI Complaint ID numbers are referenced on the next page.
Power Train:automatic Transmission:cooling Unit And Lines
On February 29, 2012 the National Highway Traffic Safety Administration (NHTSA) received a letter petitioning the agency to conduct a defect investigation into MY 2005-2010 Nissan Pathfinder, Frontier, and Xterra vehicles [the subject vehicles] for automatic transmission failures related to failed transmission coolers.NHTSA conducted a comprehensive review of data related to this subject. Our report, documenting this review, is available in the document file for this defect petition.It will also be published in the Federal Register. Of the 2,505 referenced complaints, 638 relate to a potential hazard (unable to maintain speed, no motive power, engine stall) and 1,867 concern customer satisfaction issues including, but not limited to, repair cost, vehicle shudder and shake, and engine overheating.Taking into account the allocation of agency resources and priorities and the likelihood that additional investigation would result in a finding that an unreasonable risk to highway safety exists, we conclude that further investigation is not warranted and deny the petition.ODI Complaint ID numbers are referenced on the next page.
Power Train:automatic Transmission
On February 29, 2012 the National Highway Traffic Safety Administration (NHTSA) received a letter petitioning the agency to conduct a defect investigation into MY 2005-2010 Nissan Pathfinder, Frontier, and Xterra vehicles [the subject vehicles] for automatic transmission failures related to failed transmission coolers.NHTSA conducted a comprehensive review of data related to this subject. Our report, documenting this review, is available in the document file for this defect petition.It will also be published in the Federal Register. Of the 2,505 referenced complaints, 638 relate to a potential hazard (unable to maintain speed, no motive power, engine stall) and 1,867 concern customer satisfaction issues including, but not limited to, repair cost, vehicle shudder and shake, and engine overheating.Taking into account the allocation of agency resources and priorities and the likelihood that additional investigation would result in a finding that an unreasonable risk to highway safety exists, we conclude that further investigation is not warranted and deny the petition.ODI Complaint ID numbers are referenced on the next page.
Power Train:automatic Transmission:torque Converter
On February 29, 2012 the National Highway Traffic Safety Administration (NHTSA) received a letter petitioning the agency to conduct a defect investigation into MY 2005-2010 Nissan Pathfinder, Frontier, and Xterra vehicles [the subject vehicles] for automatic transmission failures related to failed transmission coolers.NHTSA conducted a comprehensive review of data related to this subject. Our report, documenting this review, is available in the document file for this defect petition.It will also be published in the Federal Register. Of the 2,505 referenced complaints, 638 relate to a potential hazard (unable to maintain speed, no motive power, engine stall) and 1,867 concern customer satisfaction issues including, but not limited to, repair cost, vehicle shudder and shake, and engine overheating.Taking into account the allocation of agency resources and priorities and the likelihood that additional investigation would result in a finding that an unreasonable risk to highway safety exists, we conclude that further investigation is not warranted and deny the petition.ODI Complaint ID numbers are referenced on the next page.
Power Train
On February 29, 2012 the National Highway Traffic Safety Administration (NHTSA) received a letter petitioning the agency to conduct a defect investigation into MY 2005-2010 Nissan Pathfinder, Frontier, and Xterra vehicles [the subject vehicles] for automatic transmission failures related to failed transmission coolers.NHTSA conducted a comprehensive review of data related to this subject. Our report, documenting this review, is available in the document file for this defect petition.It will also be published in the Federal Register. Of the 2,505 referenced complaints, 638 relate to a potential hazard (unable to maintain speed, no motive power, engine stall) and 1,867 concern customer satisfaction issues including, but not limited to, repair cost, vehicle shudder and shake, and engine overheating.Taking into account the allocation of agency resources and priorities and the likelihood that additional investigation would result in a finding that an unreasonable risk to highway safety exists, we conclude that further investigation is not warranted and deny the petition.ODI Complaint ID numbers are referenced on the next page.