NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
242 reports119,000 miles · Aug 18, 2015
Engine
TL* THE CONTACT OWNS A 2006 KIA SORENTO. WHILE DRIVING APPROXIMATELY 65 MPH, THERE WAS AN ABNORMAL NOISE COMING FROM THE HOOD OF THE VEHICLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE HARMONIC BALANCE NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF …
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TL* THE CONTACT OWNS A 2006 KIA SORENTO. WHILE DRIVING APPROXIMATELY 65 MPH, THERE WAS AN ABNORMAL NOISE COMING FROM THE HOOD OF THE VEHICLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE HARMONIC BALANCE NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 119,000.
NHTSA ODI #10749334
120,000 miles · Aug 17, 2015
Engine
WHILE DRIVING ALMOST HOME, (2-MILES) THE POWER STEERING STOPPED, WE PULLED INTO A GAS STATION, BARELY MISSING THE FUEL PUMPS. THE BELT CAME OFF. WHEN THE MECHANIC ASSESSED THE PROBLEM, IT WAS MUCH GREATER. THE HARMONIC BALANCER WAS LOOSE, AND THE DRIVE PIN TO THE CAM BELT GEAR HAD SHEERED OFF. THE REPAIRS WERE COSTLY $1300.0…
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WHILE DRIVING ALMOST HOME, (2-MILES) THE POWER STEERING STOPPED, WE PULLED INTO A GAS STATION, BARELY MISSING THE FUEL PUMPS. THE BELT CAME OFF. WHEN THE MECHANIC ASSESSED THE PROBLEM, IT WAS MUCH GREATER. THE HARMONIC BALANCER WAS LOOSE, AND THE DRIVE PIN TO THE CAM BELT GEAR HAD SHEERED OFF. THE REPAIRS WERE COSTLY $1300.00. THIS IS A DESIGN DEFECT AND HAS AFFECTED THOUSANDS OF KIA OWNERS. THE OWNERS ARE LIKE MYSELF AND DON'T KNOW WHAT TO DO, SO WE JUST PAY THE BILL.. KIA DENIES ANY ISSUES. THIS A HUGE KIA COVER UP! IT HAS BEEN A KNOWN DEFECT FOR A LONG TIME, AND KIA DOES NOT WANT TO PAY FOR ALL THE DAMAGES, AND I'M SURE THE ACCIDENTS.
NHTSA ODI #10749200
115,000 miles · Aug 16, 2015
Power Train
WHILE DRIVING THE VEHICLE HOME AFTER BUYING IT, THE CLUTCH PEDAL BEGAN STICKING AFTER IT WAS DEPRESSED AND NOT ENGAGING, LEAVING THE VEHICLE UNPOWERED. I TRIED TAPPING THE PEDAL IN ORDER TO RELEASE IT- SOMETIMES THIS WORKED, SOMETIMES NOT.
NHTSA ODI #10748976
130,000 miles · Aug 10, 2015
Steering
TL* THE CONTACT OWNS A 2006 KIA SORENTO. THE CONTACT STATED THAT WHILE TRAVELING 60 MPH, THERE WAS A SUDDEN LOSS OF POWER STEERING AND THE STEERING WHEEL LOCKED WITH NO WARNING. THE VEHICLE WAS MERGED OVER TO THE SIDE OF THE ROAD AND THE CONTACT WAS ABLE TO RESTART THE VEHICLE WHICH RESET THE COMPUTER. THE CONTACT STATED THAT TH…
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TL* THE CONTACT OWNS A 2006 KIA SORENTO. THE CONTACT STATED THAT WHILE TRAVELING 60 MPH, THERE WAS A SUDDEN LOSS OF POWER STEERING AND THE STEERING WHEEL LOCKED WITH NO WARNING. THE VEHICLE WAS MERGED OVER TO THE SIDE OF THE ROAD AND THE CONTACT WAS ABLE TO RESTART THE VEHICLE WHICH RESET THE COMPUTER. THE CONTACT STATED THAT THE VEHICLE WAS MAKING AN EXTREMELY LOUD ABNORMAL NOISE WHEN THE FAILURE OCCURRED. THE VEHICLE WAS PARKED AT THE CONTACTS RESIDENCE. AN INDEPENDENT MECHANIC INSPECTED THE VEHICLE AND INDICATED THAT A BOLT FRACTURED INTO THE CRANK SHAFT. THE VEHICLE WAS TOWED TO A REPAIR SHOP FOR FURTHER DIAGNOSIS. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 130,000.
NHTSA ODI #10747637
84,000 miles · Aug 4, 2015
Electrical SystemEngineService Brakes
KIA SORENTO 2006. CRANK SHAFT BOLT SHEARED OFF. TOTAL CONTROL OF VEHICLE LOST. CAN NOT DRIVE VEHICLE. CONTACTED KIA MOTORS WHO STATED THEY KNOW THIS HAPPENS. EXACT WORDS OF PERSON ON PHONE WERE "YOU SHOULD HAVE REPLACED THE CRANK SHAFT BOLT WITH AN UPGRADED MODEL". AS I AM A PRIVATE OWNER AND NEVER GOT ANY INFORMATION FR…
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KIA SORENTO 2006. CRANK SHAFT BOLT SHEARED OFF. TOTAL CONTROL OF VEHICLE LOST. CAN NOT DRIVE VEHICLE. CONTACTED KIA MOTORS WHO STATED THEY KNOW THIS HAPPENS. EXACT WORDS OF PERSON ON PHONE WERE "YOU SHOULD HAVE REPLACED THE CRANK SHAFT BOLT WITH AN UPGRADED MODEL". AS I AM A PRIVATE OWNER AND NEVER GOT ANY INFORMATION FROM KIA THIS WAS NEVER DONE. THE DEALERSHIP WAS HELPFUL IN THAT THEY SAID THEY WOULD LOOK AT THE VEHICLE FOR A FEE, IN WHICH CASE THEY STATED THAT THEY COULD FIX IT FOR A LARGE AMOUNT AND THAT IT WAS THE CRANK SHAFT BOLT WHICH WAS THE PROBLEM. LOL I ASKED THEM IF THEY WERE GOING TO PUT IN THE UPGRADED VERSION I WAS TOLD ABOUT, AND THEY SAID THEY ONLY HAVE ONE KIND WHICH IS THE ORIGINAL PART. AFTER SEVERAL CONVERSATIONS WITH MECHANICS AT THE DEALERSHIP AND OUTSIDE MECHANICS THE VEHICLE HAS BEEN NON-OPERATIONAL AS IT IS TOO MUCH MONEY TO FIX A PROBLEM THAT IS NOT BEING ADDRESSED AND IS NOT SAFE FOR THE ROAD. AS A KIA OWNER OF MORE THAN 2 OF THEIR VEHICLES I AM HIGHLY UPSET AS THIS COMPANY HAS TOOK NO ACTION IN SUCH A HUGE PROBLEM. STAND BY YOUR PRODUCT KIA. I STOOD BY YOU BUYING MORE THAN 2 CARS OVER THE LAST DECADE. THAT IS UP IN THE AIR NOW AS KIA REFUSES TO STEP UP TO THE PLATE. KIA SHOULD FIX THIS PROBLEM AND THIS VEHICLE SHOULD BE RECALLED.
NHTSA ODI #10746006
87,895 miles · Jul 28, 2015
Unknown Or Other
WHEN I PURCHASED THIS 2006 KIA IT HAD LESS THE 70,000 MILES ON IT. WITHIN 6 MONTHS OF PURCHASE THE CRANK SHAFT BOLT FELL OUT WHEN IT WAS GOING 50 MILES PER HOUR. LOST STEERING AND BRAKES. HAD TO REPLACE CRANK SHAFT, BOLT, GEAR, TIMING BELT. THEN THE BRAKES FROZE UP, THEN THE MUFFLER SYSTEM BY THE O2 SENSOR , THEN BATTERY, ALTERN…
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WHEN I PURCHASED THIS 2006 KIA IT HAD LESS THE 70,000 MILES ON IT. WITHIN 6 MONTHS OF PURCHASE THE CRANK SHAFT BOLT FELL OUT WHEN IT WAS GOING 50 MILES PER HOUR. LOST STEERING AND BRAKES. HAD TO REPLACE CRANK SHAFT, BOLT, GEAR, TIMING BELT. THEN THE BRAKES FROZE UP, THEN THE MUFFLER SYSTEM BY THE O2 SENSOR , THEN BATTERY, ALTERNATER, WATER PUMP. KNOW THE 4X4 LOW LIGHT STAYS ON SO IT NEEDS A THROTTLE SENSOR, AND I FOUND OUT TODAY THAT THE REAR AXLE CASE IS RUSTED OUT. THIS VEHICLE ONLY HAS 87,000 MILES. I HAVE SPENT THOUSANDS. THE AXLE SHOULD BE UNDER THE 100,000 MILE WARRANTY. CAN'T EVEN CHECK THE REAR AXLE BECAUSE IT CAN'T BE OPENED. I HAVE FILED WITH YOU BEFORE ABOUT THESE VEHICLES. THE CRANK SHAFT BOLT SHOULD LAST THE LIFE OF THE VEHICLE. SO SHOULD THE AXLE CASE. THE REAR WINDSHIELD WIPER JUST RUSTED OFF. THE THROTTLE SENSOR AS WELL SHOULD LAST THE LIFE OF THE VEHICLE. ALL THESE THINGS SHOULDN'T GO WRONG ON A VEHICLE WITH 87,000 MILES. THESE ARE NOT NORMAL MAINTANCE. KIA SORRENTO FIRST GENERATION IS AN UNSAFE VEHICLE. IF THE 4X4 LOW SHOULD KICK IN WHILE I AM DRIVING AT 55 MPH, IT WILL BLOW TRANNY AND I COULD FLIP, THERE ALREADY IS A WARNING ABOUT SUDDEN MOVEMENT AND ROLL OVER.
NHTSA ODI #10744416
82,836 miles · Jul 23, 2015
Unknown Or Other
I TOOK MY 2006 KIA SORENTO TO KIA TO HAVE TIMING BELT REPLACED AND AT THAT TIME THEY TOLD ME THAT THE CRANK SHAFT PULLEY BOLT WAS STRIPPED, AND THE CAR WAS NOT SAFE TO DRIVE, BECAUSE THE CRANK SHAFT BOLT COULD NOT BE TIGHTENED.
NHTSA ODI #10736163
92,000 miles · Jul 22, 2015
Electrical SystemService BrakesSteering
DRIVING ON HIGHWAY WHEN HEARD A POP AND POWER STEERING WENT OUT AND BATTERY AND BRAKE LIGHT CAME ON. HAD IT TOWED TO AUTO REPAIR SHOP TO FIND OUT THE CRANK SHAFT PULLEY BOLT HAD BROKEN OFF INTO THE ENGINE. AUTO REPAIR SHOP UNABLE TO GET BOLT OUT SINCE IT BROKE OFF INTO ENGINE. ONLY WAY TO REPAIR WAS A NEW ENGINE WHICH WAS AROUN…
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DRIVING ON HIGHWAY WHEN HEARD A POP AND POWER STEERING WENT OUT AND BATTERY AND BRAKE LIGHT CAME ON. HAD IT TOWED TO AUTO REPAIR SHOP TO FIND OUT THE CRANK SHAFT PULLEY BOLT HAD BROKEN OFF INTO THE ENGINE. AUTO REPAIR SHOP UNABLE TO GET BOLT OUT SINCE IT BROKE OFF INTO ENGINE. ONLY WAY TO REPAIR WAS A NEW ENGINE WHICH WAS AROUND $5000.
NHTSA ODI #10735665
180,000 miles · Jun 18, 2015
EnginePower TrainSteering
I WAS TURNING AT A STOP LIGHT WHEN I LOSS POWER STEERING AND NEARLY CRASHED.I WAS ABLE TO GET IT PULLED OVER.I RAISED THE HOOD AND SAW THE CRANKSHAFT PULLEY LYING ON THE THE BOTTOM SKID PLATE.I LOOKED ON THE INTERNET ONLY TO FIND THERE ARE PROBABLY THOUSANDS OF SIMILAR CASES WORLDWIDE.I CALLED KIA .THEY BASICALLY BLEW ME OFF!
NHTSA ODI #10726095
91,991 miles · May 20, 2015
Electrical SystemEngineSteering
WHILE DRIVING MY 2006 KIA SORENTO ON WEDNESDAY DECEMBER 17, 2014, A WEEK BEFORE CHRISTMAS, THE CRANKSHAFT PULLEY BOLT LOOSENED UP. UNDER TREMENDOUS PRESSURE FROM THE ENGINE THE STEEL PULLEY BENT SKEWING ALL BELTED DRIVING SYSTEMS: POWER STEERING, ELECTRICAL, ELECTRICITY TO ENGINE, A/C, WIPERS, HEATING AND DEFROSTING …
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WHILE DRIVING MY 2006 KIA SORENTO ON WEDNESDAY DECEMBER 17, 2014, A WEEK BEFORE CHRISTMAS, THE CRANKSHAFT PULLEY BOLT LOOSENED UP. UNDER TREMENDOUS PRESSURE FROM THE ENGINE THE STEEL PULLEY BENT SKEWING ALL BELTED DRIVING SYSTEMS: POWER STEERING, ELECTRICAL, ELECTRICITY TO ENGINE, A/C, WIPERS, HEATING AND DEFROSTING SYSTEMS, AND ETC CAUSING ME TO LOSE COMPLETE CONTROL OF CAR WHILE TURNING CORNER AT BUSY INTERSECTION; LOOSING STEERING, COMPLETE ENGINE SHUTDOWN, PANIC, AND PUTTING ME IN 'HARM'S WAY'! MY WIFE AND I HAD SPECIFICALLY BOUGHT THIS SUV BECAUSE WE CARE AND DRIVE OUR 3 BEAUTIFUL GRANDCHILDREN TO SCHOOL/BACK AND TO ALL ACTIVITIES AND SO MANY OTHER CHILDREN (THEIR FRIENDS) GOING TO THE SAME PLACES AND ACTIVITIES. I THANK GOD THIS DIDN'T HAPPEN WITH ANY CHILDREN OR MY WIFE IN THE CAR AND EVEN UNDER WORSE SITUATIONS; EX: EXPRESSWAY DRIVING OR SO MANY OTHER LIFE THREATENING DRIVING SITUATIONS! I HAVE PAID MANY HUNDREDS OF DOLLARS FOR THE REPAIRS AND MUCH TIME AND WORRYING ABOUT THAT TERRIBLE INCIDENT I HAVE SUFFERED! ALSO MY IMMEDIATE CHILDREN PUT MUCH PRESSURE ON ME TO GET RID OF THIS UNSAFE CAR CONCERNED FOR THEIR CHILDREN (MY GRANDCHILDREN) AND THEIR FRIENDS!
NHTSA ODI #10717559
NHTSA investigations
1DP21003 · Throttle Control System Vulnerabilities
Opened Nov 12, 2021 · Closed Jun 20, 2023
Status: closed (inferred from source dates) · Vehicle Speed Control:throttle
The Office of Defects Investigation (ODI) of the National Highway Traffic Safety Administration (NHTSA) received a petition letter dated October 10, 2021, requesting an investigation of possible defects in the electronic throttle control (ETC) system on certain Kia vehicles resulting in the opening of DP21-003. Accordingly, Model Year (MY) 2005-2016 Kia Optima/K5, MY 2006-2015 Kia Sorento, MY 2007-2016 Hyundai Elantra, MY 2007-2016 Hyundai Santa Fe, MY 2006-2015 Hyundai Sonatas are all part of the subject population. The petition was originally filed as a Vehicle Owner Questionnaire that can be reviewed at NHTSA.gov under reference (ODI) number 11439675.On November 12, 2021, ODI opened Defect Petition DP21-003 to evaluate the petitioner?s request. ODI performed trend analyses of the VOQs related to vehicle speed control issues for all the subject vehicles and found that none of the 52 Model/Model Year Hyundai/Kia vehicles demonstrated any actionable trend that warranted an investigation.Petitioners submitted 1119 VOQs and non-VOQ cases in which sudden uncommanded acceleration (SUA) or loss of motive power (LOMP) incidents were alleged.For the 1119 reports, 220 were incidents involving crashes, from which 69 subject Hyundai-Kia vehicles were inspected by Hyundai/Kia dealer technicians, Hyundai/Kia engineers, and/or third-party representatives.ODI found the inspections identified no vehicle defects related to the ETC system.Of the 220 crash-involved reports, 13 Event Data Recorder (EDR) records were downloaded successfully and 11 of those indicated driver error: (i.e.) pedal misapplication.A condition where the accelerator pedal is mistakenly applied instead of the brake pedal when the driver wants to stop the vehicle.In addition, ODI reviewed a scientific journal paper published in Forensic Science International in 2016 by Mr. Park et al ., as well as related test videos. ODI does not believe there is any evidence of uncontrollable SUA occurrences in any of the tests reviewed. NHTSA's Office of Vehicle Safety Compliance (OVSC) reviewed the allegations regarding the potential noncompliance with Federal Motor Vehicle Safety Standard No. 124.Based on the information provided, the Agency concludes there is insufficient information for us to determine if a possible non-compliance exists.Finally, both Hyundai and Kia informed ODI that all their vehicles manufactured after 2012 were equipped with an ETC management system, in which the engine speed will go to idle when the system sees signals from both the brake pedal and accelerator pedal at the same time; this is commonly known as the brake-throttle override system.After thoroughly assessing the material submitted by the petitioner, information already in NHTSA's possession, information submitted by Hyundai and Kia in response to an Information Request letter, and the potential risks to safety implicated by the petitioner's allegation, NHTSA does not believe that a formal investigation is warranted. After full consideration of appropriate factors, the petition is denied. A Federal Register Notice (FRN) further detailing NHTSA?s reasons for denial of the petition will be published.