FaultScore

2009 Hyundai Sonata brake problems

100 of the 612 complaints about the 2009 Hyundai Sonata are about the braking system — 16% of everything reported for this model year. Half of the failures with a mileage on record happened before 52,000 miles.

B

100

Complaints

0

Crashes

0

Fires

0

Injuries

Exactly what failed

Service Brakes 64 64.0%
Service Brakes, Hydraulic 31 31.0%
Rotor 2 2.0%
Caliper 1 1.0%
Pads 1 1.0%
Service Brakes, Electric 1 1.0%

Brakes across every Hyundai Sonata year

1995 11 0.9%
2000 12 1.0%
2001 26 2.2%
2002 26 2.2%
2003 17 1.4%
2004 16 1.3%
2005 12 1.0%
2006 88 7.3%
2007 105 8.7%
2008 55 4.5%
2009 100 8.3%
2010 30 2.5%
2011 176 14.6%
2012 159 13.2%
2013 149 12.3%
2014 60 5.0%
2015 80 6.6%
2016 48 4.0%
2017 22 1.8%
2018 17 1.4%

What owners said

Filed with NHTSA, in their own words.

High Point, NC

SERVICE BRAKES

Brakes seize up while driving and then cannot move the vehicle. This causes a dangerous situation while driving and then breaks lock up and cannot move car even though vehicle is on and then stopped for a stop light. Car must then be turned off and sit for about 30 minutes so it can unseize and when that happens, you can then resume driving and then check engine light comes on. Brake lights were staying on even when vehicle is shut completely off. ABS and ESC lights stay on consistently and never turn off. Vehicle brake switch was replaced at Carolina Hyundai of high point, NC. So break lights have been repaired. They had to order the stop switch lamp replacement for recall as it was never done and will be fixed in next week. 3 door handles fell off and cannot open the rear driver side door at all. Window electric system won’t let windows go up and down and had to make a latch pull string to open driver door. Passenger door will not open at all and no handle and is a dangerous situation. Break switch not being replaced would have cause an electrical fire and is a complete dangerous vehicle even after being inspected less than a week ago

NHTSA complaint #11709161 — an unverified report by a vehicle owner.

Cockeysville, MD

SERVICE BRAKES

Brake Calipers are getting stuck often damaging the rotors and pads. This happens even for new calipers and rotors that won't last more than one year after replacement. The parts were original from manufacturer. The rear and front brakes were randomly getting stuck on one wheel after a period of using brakes. This put the vehicle in danger of getting fire from overheating rotors or increasing the risk of a crash because of an unusable brake system. This incident has repeated over time from 2017 till 2025 inducing big spendings for fixing brakes

NHTSA complaint #11684682 — an unverified report by a vehicle owner.

at 181,000 miles Salt Lake City, UT

SERVICE BRAKES

The contact owns a 2009 Hyundai Sonata. The contact stated while driving at an undisclosed speed, the contact heard a loud grinding noise coming from the rear of the vehicle. The contact took the vehicle to a local dealer to be inspected. The contact later discovered that the dealer only did a visual inspection of the brake pads and rotors. The mechanic stated that there were metal shavings from the brake pads and that the contact should wash the wheels to clear the metal shavings. The wheels were washed as instructed; however, the failure persisted. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 181,000.

NHTSA complaint #11438569 — an unverified report by a vehicle owner.

at 181,000 miles Salt Lake City, UT

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR

The contact owns a 2009 Hyundai Sonata. The contact stated while driving at an undisclosed speed, the contact heard a loud grinding noise coming from the rear of the vehicle. The contact took the vehicle to a local dealer to be inspected. The contact later discovered that the dealer only did a visual inspection of the brake pads and rotors. The mechanic stated that there were metal shavings from the brake pads and that the contact should wash the wheels to clear the metal shavings. The wheels were washed as instructed; however, the failure persisted. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 181,000.

NHTSA complaint #11438569 — an unverified report by a vehicle owner.

West Bend, WI

SERVICE BRAKES

The problem as reported by so many others that the rear brake system has an inherent failure in the caliper/rotor/brake pads. I have vested nearly $2500.00 on the three for mentioned parts and labor over last 4 years. Between Midas and now a private mechanic have tried better lube on slide pins but the problem still persists. A little research states that the caliper piston doesn't retract from the rotors and in turn heating up the brake components to the point of failure. Some Law firms have stated the problem is a production flaw my problem with a system with this failure rate isn't recognized by the Hyundia. Calipers should simply last 80 to a 100 thousand miles under most driving conditions. Looking forward to your response. Kerry yakel

NHTSA complaint #11425266 — an unverified report by a vehicle owner.

at 168,000 miles Port Charlotte, FL

SERVICE BRAKES

BRAKE PEDAL LIGHT FAULTY STAYS ON ALWAYS.

NHTSA complaint #11378636 — an unverified report by a vehicle owner.

at 160,000 miles Port Charlotte, FL

SERVICE BRAKES

BRAKE LIGHT FAULTY IT STAYS ON CONTINUOUSLY.

NHTSA complaint #11378637 — an unverified report by a vehicle owner.

Ocala, FL

SERVICE BRAKES

COMPLETE BREAK SYSTEM AS BEEN DONE AS WELL AS TIRES WITH ROTATIONS, HAVING TO REPLACE BRAKES AND ROTARS OFTEN. CONTINUES TO PULL HARD TO RIGHT WHILE DRIVING AND IS FAR FROM A SMOOTH RIDE. WHEN BREAKING THE CAR FEELS TO PULL FORWARD. THE EMERGENCY BREAK DOES NOT WORK AT ALL. THIS FEELS LIKE A NEVER ENDING ISSUE. THE CAR SEEMS TO SIT LOW ON ONE SIDE, HAVE TO TAKE IT TO GET LOOKED AT.

NHTSA complaint #11361574 — an unverified report by a vehicle owner.

at 96,500 miles Long Beach, CA

SERVICE BRAKES

CHECK ENGINE LIGHT IS ON. HECU INTERNAL FAILURE. ACTIVE DTC PRESENT: C1237 PRIMARY PRESSURE SENSOR SIGNAL. SENSOR FAILURE INSIDE THE ABS CONTROL CYCLE. VALUES AT PRESSURE SENSOR CHANGED FROM 0.3 BAR TO 78.0 BAR; NO CHANGE IN SUPPLY VOLTAGE. SUPPLY VOLTAGE CONSTANTLY AT 14V. HYUNDAI HAS MENTIONED THAT THERE ARE NO ACTIVE RECALLS AND THAT THIS PART IS LIFE THREATENING IF IT FAILS - BUT SINCE THE WARRANTY HAS EXPIRED THEY ARE SHYING AWAY. ONLINE THERE ARE SEVERAL KNOWN ISSUES WITH HYNDAI AND HECU. SPECIALLY FOR MODELS BEFORE 2009. ITS HARD TO BELIEVE THAT HYUNDAI IS NOT AWARE OF THIS PROBLEM AND SEEMS LIKE THEY ARE AVOIDING THEIR RESPONSIBILITY AND PLAYING WITH HUMAN LIFE. WOULD APPRECIATE IF THE GOVERNMENT CAN DO SOMETHING.

NHTSA complaint #11301374 — an unverified report by a vehicle owner.

at 70,000 miles Bayville, NY

SERVICE BRAKES

REAR END OF VEHICLE SWAYS AROUND AS IF DRIVING ON ICE. FEELS EXACTLY LIKE DESCRIPTIONS OF ISSUE WITH RECALL 13V354000. HYUNDAI SAYS VEHICLE IS NOT INCLUDED IN RECALL. EXCESSIVE PLAY IN REAR END, AND VERY NOTICEABLE BURNING SMELL COMING FROM REAR END AFTER DRIVING. CAUSING EXCESSIVE WEAR OF REAR BRAKES AND TIRES. HAS CAUSED REAR BRAKE HOSES TO FAIL. OCCASIONALLY BRAKE PEDAL SINKS TO FLOOR WHILE DRIVING IN STOP AND GO TRAFFIC. WHILE TRAVELING AT HIGHWAY SPEEDS, VEHICLE FEELS AS IF A GUST OF WIND COULD SEND IT OFF THE ROAD. NEED TO DO A TON OF STEERING TO KEEP THE CAR GOING STRAIGHT. FRONT END WAS ALIGNED 25,000 MILES AGO.

NHTSA complaint #11228886 — an unverified report by a vehicle owner.

Elgin, SC

SERVICE BRAKES

JERKING WHEN BRAKEING TO STOP OR WHEN SLOWING TO MAKE A TURN. TAKENSEVERAL TIMES FOR SERVICE BUT UNABLE TO DUPLICATE THE PROBLEM, NO EGINE LIGT HAS COME ON THEREFORE THEY CAN NOT REPAIR. PLEASE WE NEED YOUR HELP.

NHTSA complaint #11205422 — an unverified report by a vehicle owner.

at 120,000 miles Lake ANN, MI

SERVICE BRAKES

ISSUE 1 AT 29,476 MILES, 23 SEPT 2011. REAR BRAKES SEIZED DUE TO REAR CALIPER SLIDES STICKING. PADS AND ROTORS REPLACED UNDER WARRANT BY DEALER, BILL MARSH TRAVERSE CITY, MI . REPAIR ORDER 737578. ISSUE 2 REAR BRAKES NOISE AND WORN. 69,385 MILES. 29 MAY 14. REAR CALIPER PISTON SEIZED. NEW CALIPERS, PADS AND ROTORS. REPAIR ORDER 771872. ISSUE 3, REAR BRAKES NOISE AND HOT. 104, 051 MILES. 24 OCT 2017. RR CALIPER SEIZED. PADS, ROTORS BOTH SIDES REAR AND FRONT REPLACED. RIGHT REAR CALIPER REPLACED. BILL MARSH RO NO 427604. ISSUE 4 REAR BRAKES NOISE. TRAVERSE REAR CALIPER FAILED AGAIN. REAR ROTORS, PADS, AND RR CALIPER REPLACED. 28 FEB 2019. BILL MARSH HYUNDAI REPAIR ORDER 432896. 4 REPLACEMENTS OF RIGHTREAR BRAKE CALIPER , BRAKE PAD, AND ROTORS ARE EXCESSIVE AND ABNORMAL. THIS MODEL YEAR SONATA SHOULD BE ADDED TO RECALL FOR REAR BRAKES. MANY MORE COMPLAINTS OF PREMATURE REAR BRAKES FAILURE ARE NOTED ONLINE FOR MODEL YEARS 2009, 2010. BRAKES GET EXTREMELY HOT AND FUEL ECONOMY SUFFER GREATLY WHEN THIS FAILURE OCCURS.

NHTSA complaint #11183287 — an unverified report by a vehicle owner.

at 140,000 miles Delray Beach, FL

SERVICE BRAKES

MY BRAKE LIGHT STOP SWITCH BROKE INTO PIECES WITH NORMAL USE SO THE BRAKE LIGHTS STAY ON WHEN CAR IS TURNED OFF. MY FRONT BRAKE HOSE SPRUNG A FLUID LEAK THAT MADE THE BRAKES FULLY STOP WORKING IN THE MIDDLE OF A DRIVE. THE FRONT BRAKE HOSE SPLIT AND CRACKED PREMATURELY CUASING THE BRALE FLUID TO EMPTY OUT. THE BRAKE PEDAL WENT STRAIGHT TO THE FLOOR WITHOUT STOPPING THE VEHICLE WHEN THIS EVENT HAPPENED DURING A DRIVE. MY ESC LIGHT IS ON BIG PROBBLEM IM ASSUMING. MY PASSENGER AIR BAG LIGHT IS ON AS WELL BOTH INDICATE ARE OFF AND NON WORKING.

NHTSA complaint #11113718 — an unverified report by a vehicle owner.

at 73,000 miles Castle Rock, CO

SERVICE BRAKES

I OWN A 2009 HYUNDAI SONATA. WHILE OPERATING I NOTICED A SIGNIFICANT DECREASE IN SPEED, COASTING, FUEL ECONOMY, AND BRAKING DISTANCE. UPON PARKING MY CAR I SMELLED BURNING BRAKES. AS I WALKED PAST THE DRIVER REAR TIRE I COULD FEEL THE HEAT RADIATING FROM THE TIRE. I DIDN'T DARE TOUCH THE RIM FOR FEAR IT WOULD BURN ME. DIAGNOSIS REVEALED A SEIZED REAR DRIVER BRAKE CALIPER PISTON. THIS CAUSED RUINED THE REAR BRAKES AND PUT UNDUE STRESS ON THE FRONT BRAKES. I HAD TO REPLACE THE ENTIRE BRAKING SYSTEM AS THEY HAD ALL BECOME A SAFETY HAZARD. I PURCHASED AN EXTENDED WARRANTY WHICH COVERED THE REAR CALIPER REPLACEMENT BUT NOTHING ELSE. BURNING THROUGH BRAKES IS A SERIOUS SAFETY HAZARD. I HAVEN'T NOTIFIED THE MANUFACTURE OF THE FAILURE. THE FAILURE MILEAGE WAS 73,000.

NHTSA complaint #10971671 — an unverified report by a vehicle owner.

Brooklyn, NY

SERVICE BRAKES

STOP LAMP SWITCH REPLACEMENT. ON 01/14/17 I HAD AN APPOINTMENT AT PLAZA HYUNDAI LOCATED AT 2700 NOSTRAND AVE, BROOKLYN NY 11210 TO REPLACE MY STOP LAMP SWITCH. THEY DID NOT HAVE THE PART IN STOCK AT THAT TIME. THE PART WAS ORDERED ON 01/14/2017 AND AS OF THIS WRITING (02/17/2017) THEY HAVE NOT RECEIVED THE PART AND HAVE NO ESTIMATED TIME OR ARRIVAL ON THE PART. NO ONE EVEN NOTIFIED ME THAT THE CAMPAIGN WAS NOT COMPLETED. I HAD TO COME BACK IN THE FOLLOWING DAY 01/15/2017 BECAUSE MY BREAK LIGHTS WERE NOT TURNING OFF. AT THAT TIME THEY ATTEMPTED TO CHARGE ME FOR A DIAGNOSTIC, BUT I ADVISED THE MANAGER THAT I WAS THERE LESS THAN 24 HOURS AGO TO ADDRESS THE STOP LAMP SWITCH, WHICH MAY HAVE BEEN CAUSING THE ISSUE. THEY TOLD ME AT THAT TIME THAT THE PART WAS STILL ON ORDER. THEY REFUSE TO GIVE ME AN ETA. I CALLED HYUNDAI'S CORPORATE OFFICE, AND THEY COULD NOT GET AN ANSWER FROM PLAZA AUTO EITHER. THIS IS A SERIOUS RECALL AS IT EFFECTS MY ABILITY TO SIGNAL THAT I'M BREAKING. I WILL ATTEMPT TO GO TO ANOTHER SERVICE DEPARTMENT OR REMEDY MYSELF, BUT I THINK THAT THIS IS UNACCEPTABLE.

NHTSA complaint #10955202 — an unverified report by a vehicle owner.

at 115,000 miles Columbia, MD

SERVICE BRAKES

REAR BRAKE CALIPERS HAVE SEIZED AT LEAST 7 TIMES, CAUSING ME TO NEED TO REPLACE THEM. I'M AT 115,000 MILES AND HAVE HAD THE LEFT ONE SEIZE, DESTROYING THE ROTOR AND PAD 4 TIMES, AND THE RIGHT ONE SEIZE 3 TIMES (ONCE RECURRING WITHIN 15,000 MILES OF REPLACEMENT). THE CAR HAS BEEN REPAIRED AT DIFFERENT SHOPS, BUT THE PROBLEM KEEPS RECURRING. FIRST TIME OCCURRED SHORTLY AFTER 30,000 MILES. OCCURS EVERY 1-2 YEARS SINCE THEN. MOST RECENT OCCURRENCE IS NOW (CAR IS BEING REPAIRED THIS MORNING, LEFT REAR CALIPER/ROTOR/PAD). NOTICED MASSIVE SHIMMYING THIS TIME. PREVIOUS TIMES HAVE BEEN NOTICED FROM: GRINDING NOISE, CAR WON'T ACCELERATE OVER 10 MPH (LOCKED IN ENGAGED BRAKE MODE THAT TIME), AND SEVERE BUCKING WHILE BEING DRIVEN.

NHTSA complaint #10955007 — an unverified report by a vehicle owner.

at 60,000 miles Berkeley Heights, NJ

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER

TL* THE CONTACT OWNS A 2009 HYUNDAI SONATA. AFTER THE VEHICLE WAS PARKED, AN ABNORMAL ODOR WAS PRESENT OUTSIDE THE FRONT DRIVER SIDE. THE CONTACT ALSO STATED THAT A GRINDING NOISE WAS PRESENT WHILE THE BRAKE PEDAL WAS DEPRESSED. THE DEALER DIAGNOSED THAT THE CALIPER FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED; HOWEVER, THE FAILURE RECURRED AFTER 7,000 MILES. THE MANUFACTURER WAS NOTIFIED. THE FAILURE MILEAGE WAS APPROXIMATELY 60,000. THE VIN WAS NOT AVAILABLE.

NHTSA complaint #10936675 — an unverified report by a vehicle owner.

at 60,000 miles Berkeley Heights, NJ

SERVICE BRAKES

TL* THE CONTACT OWNS A 2009 HYUNDAI SONATA. AFTER THE VEHICLE WAS PARKED, AN ABNORMAL ODOR WAS PRESENT OUTSIDE THE REAR DRIVER SIDE OF THE VEHICLE. THE CONTACT ALSO STATED THAT A GRINDING NOISE WAS HEARD WHILE THE BRAKE PEDAL WAS DEPRESSED. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE CALIPER FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED, BUT THE FAILURE RECURRED AFTER 7,000 MILES. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 60,000. THE VIN WAS NOT AVAILABLE. ...UPDATED 05/17/17 *BF

NHTSA complaint #10936702 — an unverified report by a vehicle owner.

Thibodaux, LA

SERVICE BRAKES

THE BRAKE LIGHT SWITCH IS NOT FUNCTIONING/BROKEN CAUSING THE BRAKE LIGHTS TO STAY ON AND ESC BUTTON IS NOT FUNCTIONING.

NHTSA complaint #10925557 — an unverified report by a vehicle owner.

at 107,217 miles Columbus Junction, IA

SERVICE BRAKES

I HAVE OWNED THIS CAR SINCE JULY 2014. I PURCHASED THE CAR WITH 54K MILES. I CURRENTLY HAVE 107K MILES AND IT'S OCTOBER 2016.I HAVE HAD TO REPLACE MY BRAKES 4 TIMES, SPECIFICALLY BECAUSE THE REAR BRAKE CALIPERS FAIL CAUSING BRAKES TO LOCK WHILE DRIVING PRODUCING SIGNIFICANT HEAT AND DAMAGE TO THE BRAKE COMPONENTS. THE PROBLEM ALSO CAUSE A SIGNIFICANT LOSS OF FUEL ECONOMY. IT APPEARS THIS IS A COMMON PROBLEM ON THIS VEHICLE AND A RECALL HAS BEEN PUT IN PLACE STARTING IN MODEL YEAR 2011. THE RECALL NEEDS TO BE EXTENDED TO INCLUDE 2009 MODEL YEAR VEHICLES

NHTSA complaint #10918971 — an unverified report by a vehicle owner.

at 5,000 miles Winchendon, MA

SERVICE BRAKES

PURCHASED MY 2009 SONATA IN FEBRUARY 2009, BY MID JULY I HAD TO REPLACE THE REAR BRAKES. I WAS A LITTLE SURPRISED SINCE THE CAR WAS NEW AND ONLY HAD ABOUT 5000 MILES. I WAS TOLD THAT I WAS REQUIRED TO CHECK THE BRAKES EVERY 3500 MILES AND IT WASN'T COVERED UNDER WARRANTY, NOT EVEN THE 5 YEAR BUMPER TO BUMPER WARRANTY. IT IS NOW 2016 I HAVE HAD TO REPLACE MY REAR BRAKE CALIPERS, PADS AND ROTORS EVERY 6 MONTHS AT A COST OF OVER $400 EVERY TIME. THERE IS A GREAT DEAL OF GRINDING, HEAT AND MASSIVE VIBRATION IN THE REAR WHILE BRAKING TO THIS POINT. I HAVE RETURNED MY CAR FOR BOTH CURRENT RECALLS (NOT APPLICABLE TO BRAKES). WITH SO MANY MODELS HAVING THE SAME ISSUES, ITS VERY DISAPPOINTING THAT HYUNDAI WILL NOT REPAIR THEIR FAULTY ENGINEERING AND THE NHTSA HAS NOT INVESTIGATED THIS MAJOR SAFETY ISSUE WITH BRAKING SYSTEMS IN THESE CARS.

NHTSA complaint #10915467 — an unverified report by a vehicle owner.

at 115,000 miles Fairfield, CT

SERVICE BRAKES

UPON ACCELERATING UP AN ENTRANCE RAMP TO THE HIGHWAY, CAR ACCELERATED AT AN UNREASONABLE RATE OF SPEED TRIED USING BRAKES, BUT THEY WERE GONE. CAR HIT SPEEDS OF 60/65 MPH FOR MORE THAN 3 MILES ON A TURNPIKE. PARKING BRAKE DID NOT WORK, BRAKE PEDAL WAS DOWN TO THE FLOOR AND I COULD NOT CONTROL THE SPEED OF THE AUTO. AFTER TRAVELING MORE THAN 3 MILES, IN THE SHOULDER, I PUT THE GEAR INTO NEUTRAL AND THE CAR BEGAN TO SLOW DOWN AND FINALLY STOP. TOWED FROM TURNPIKE TO DEALERSHIP. KNOW THERE HAVE BEEN PROBLEMS WITH THE 2006 MODEL, BUT IS THERE ANYTHING SIMILAR TO MY EXPERIENCE WITH THE SONATA 2009.

NHTSA complaint #10915037 — an unverified report by a vehicle owner.

at 126,000 miles Oxford, NC

SERVICE BRAKES

A FEW MILE FROM HOME ON RURAL HIGHWAY DRIVERS SIDE REAR BRAKES SUDDENLY SEIZED LURCHING THE VEHICLE, TRANSMISSION DOWN SHIFTED, ENGINE RPM WENT WAY UP. UPON ARRIVING AT HOME, BRAKES WERE SMOKING HOT AND ON INSPECTION BRAKE PADS AND METAL ALMOST GONE, ROTOR HAD THINNED TO 1/4 ", AND METAL POWDER WAS ALL OVER THE RIM, SIDE AND REAR OF CAR.

NHTSA complaint #10914932 — an unverified report by a vehicle owner.

at 20,000 miles Oneida, NY

SERVICE BRAKES

TL* THE CONTACT OWNS A 2009 HYUNDAI SONATA. THE CONTACT STATED THAT WHILE DRIVING AT 10 MPH, THE BRAKE PEDAL WAS DEPRESSED AND A GRINDING NOISE EMITTED AS THE ESC WARNING LIGHT ILLUMINATED. THE FAILURE RECURRED NUMEROUS TIMES. THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 13V113000 (EXTERIOR LIGHTING SERVICE BRAKES, HYDRAULIC ). ON A SEPARATE OCCASION, THE GEAR LEVER FAILED TO SHIFT OUT OF PARK UNTIL AFTER SEVERAL ATTEMPTS. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 20,000. THE VIN WAS NOT AVAILABLE.

NHTSA complaint #10874148 — an unverified report by a vehicle owner.

Katy, TX

SERVICE BRAKES

HAD TO REPLACE BRAKES TWICE. AFTER READING 200 COMPLAINTS ONLINE, I HAVE DISCOVERED IT IS AN ONGOING PROBLEM WITH ALL SONATAS. THE NEW BRAKES HAVE TO BE GROUND DOWN TO FIT THE SONATA.

NHTSA complaint #10854193 — an unverified report by a vehicle owner.

at 90,000 miles Kensington, MD

SERVICE BRAKES

THE REAR BRAKE CALIPERS APPEAR TO BE DEFECTIVE IN THAT A HIGH PERCENTAGE SEEM TO FAIL. THIS IS THE SECOND CALIPER THAT HAS REQUIRED REPAIR/REPLACEMENT, WHICH NECESSARILY ALSO REQUIRES REPLACEMENT OF BRAKE PADS AND ROTORS. IT APPEARS THAT THE CALIPERS STICK IN THE EXTENDED POSITION CAUSING (IN THE BEST CASE) THE RAPID WEAR OF THE ROTORS AND CALIPERS, AND (IN THE WORST CASE) A HEAT BUILD UP, AND A FAILURE OF THE BRAKES. INTERNET BLOGS INDICATE THAT THIS IS NOT JUST A PROBLEM WITH MY VEHICLE BUT IS SYSTEMIC WITH HYUNDAI SONATAS, AND PARTICULARLY 2009 AND LATER. I WILL NOTE THAT HYUNDAI HAD A BRAKE RECALL REGARDING CALIPERS FOR SONATAS BETWEEN 2011 AND 2014, BUT THAT IT DID NOT EXTEND TO THE 2009 SONATAS.

NHTSA complaint #10839039 — an unverified report by a vehicle owner.

at 65,000 miles Springfield, VA

SERVICE BRAKES

IN FEBRUARY OF 2015, LESS THAN 2 MONTHS AFTER I PURCHASED THIS VEHICLE USED, I NOTICED THE LEFT REAR TIRE WAS SCREECHING WHEN IN MOTION LIKE A BELT IN THE ENGINE WOULD. I TOOK IT TO A HYUNDAI DEALERSHIP WHERE THEY MADE ME AWARE THAT THE CALIPER HAD LOCKED UP AND NEEDED TO BE COMPLETELY REPLACED & REPAIRED ALONG WITH A BRAND NEW ROTOR. I FIGURED THIS WAS JUST A ONE TIME ISSUE, UNTIL JUST THIS MONTH (FEBRUARY OF 2016) LESS THAN A YEAR AFTER REPAIRING THE CALIPER AND BRAKE SYSTEM IN THE LEFT REAR TIRE, A STRONG BURNING SMELL WAS APPEARING PERIODICALLY FROM THE RIGHT REAR TIRE AFTER ANY DRIVE. TOOK THE CAR TO THE SAME HYUNDAI DEALERSHIP WHO MADE ME AWARE THAT THE CALIPER WAS NOW LOCKED UP IN THE RIGHT REAR TIRE AND NEEDED TO BE COMPLETELY REPLACED AND REPAIRED. IN BOTH CIRCUMSTANCES I WAS TOLD THAT THE VEHICLE WAS ABSOLUTELY UNSAFE TO DRIVE OFF THEIR LOT AND HAD TO GET A RENTAL CAR TO LEAVE THE CAR FOR REPAIRS. I DID MY RESEARCH... APPARENTLY THIS SAME MAKE/MODEL/YEAR HAS GIVEN LOTS OF PEOPLE THE SAME ISSUES.. BUT NO RECALL HAS BEEN MADE. THIS IS INCREDIBLY DANGEROUS AND IN BOTH CIRCUMSTANCES I WAS DRIVING THE CAR WITH MY CAR SEAT AGED TODDLER IN THE BACK SEAT. PLEASE HELP ME GET TO THE BOTTOM OF THIS!!

NHTSA complaint #10837541 — an unverified report by a vehicle owner.

at 80,000 miles Galveston, TX

SERVICE BRAKES

I HAVE A MAJOR PROBLEM WITH MY BRAKES. WHILE DRIVING THEY WILL SUDDENLY GO OUT. I HAVE TO PRESS THE PEDAL ALMOST TO THE FLOOR TO TRY AND STOP THE CAR. MY CAR WAS REPAIRED IN SEPTEMBER 2015, NOVEMBER 2015, DECEMBER 2015 AND MY BRAKES WENT OUT AGAIN ON YESTERDAY, FEBRUARY 15, 2016 WHILE ON THE HIGHWAY. THIS IS A SERIOUS PROBLEM AND COULD END UP BEING A DEADLY PROBLEM.

NHTSA complaint #10836360 — an unverified report by a vehicle owner.

at 114,400 miles Plymouth, MN

SERVICE BRAKES

THE CAR HAS HAD FOUR REAR CALIPER FAILURES. THESE CALIPER FAILURES HAVE ALSO CONSUMED THREE SETS OF REAR BRAKE PADS AND TWO SETS OF REAR ROTORS. THE FAILURE APPEARS TO BE AN EXCESSIVE WEAR/SLOW TO RELEASE CONDITION THAT CREATES AN OVERHEATING OF THE BRAKE SYSTEM, WHICH HAS SYMPTOMS OF A BURNING SMELL FROM THE BRAKES AND THE RIM OF EACH WHEEL BEING FAR TOO HOT TO TOUCH. ONCE WE NOTICED THE MOST RECENT FAILURE, WE NOTICED THAT THE BURNING SMELL CAN START WITHIN ABOUT 1/2 MILE DRIVE.

NHTSA complaint #10821331 — an unverified report by a vehicle owner.

Lancaster, PA

SERVICE BRAKES

ESC LIGHT ON DOES NOT GOES WHEN USING ESC BUTTON

NHTSA complaint #10780290 — an unverified report by a vehicle owner.

Other 2009 Hyundai Sonata problems

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