MyCarTSB

2009 Hyundai Sonata Brakes Problems

76 owner-reported brakes complaints from NHTSA data

76
Complaints
Jan 2013Dec 2014
Date Range

Data sourced from NHTSA public database. For informational purposes only. Always consult a qualified mechanic.

Owner Complaints (76)

criticalSERVICE BRAKES
Filed: Sep 2025

Your brake calipers are sticking and causing premature wear on your rotors and brake pads, even when you install new parts. This happens randomly on either the front or rear brakes and can cause the rotors to overheat, creating a fire hazard and potentially leaving you with unusable brakes. The problem has recurred repeatedly over several years, requiring frequent and costly brake repairs.

NHTSA #: 11684682
mediumSERVICE BRAKES, HYDRAULIC,SERVICE BRAKES
Filed: Oct 2021

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 #: 11438569
mediumSERVICE BRAKES
Filed: Jul 2021

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 #: 11425266
mediumSERVICE BRAKES
Filed: Dec 2020

BRAKE PEDAL LIGHT FAULTY STAYS ON ALWAYS.

NHTSA #: 11378636
mediumSERVICE BRAKES
Filed: Dec 2020

BRAKE LIGHT FAULTY IT STAYS ON CONTINUOUSLY.

NHTSA #: 11378637
mediumSERVICE BRAKES
Filed: Feb 2019

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 #: 11183287
mediumSERVICE BRAKES
Filed: Apr 2017

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 #: 10971671
mediumSERVICE BRAKES
Filed: Feb 2017

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 #: 10955202
mediumSERVICE BRAKES
Filed: Feb 2017

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 #: 10955007
mediumSERVICE BRAKES, HYDRAULIC
Filed: Dec 2016

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 #: 10936675
mediumSERVICE BRAKES
Filed: Dec 2016

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 *CN

NHTSA #: 10936702
mediumSERVICE BRAKES
Filed: Nov 2016

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

NHTSA #: 10925557
mediumSERVICE BRAKES
Filed: Oct 2016

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 *TR

NHTSA #: 10918971
mediumSERVICE BRAKES
Filed: Oct 2016

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 #: 10915467
mediumSERVICE BRAKES
Filed: Oct 2016

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 #: 10914932
mediumSERVICE BRAKES
Filed: Apr 2016

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 #: 10854193
mediumSERVICE BRAKES
Filed: Feb 2016

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 #: 10839039
mediumSERVICE BRAKES
Filed: Feb 2016

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 #: 10836360
mediumSERVICE BRAKES
Filed: Jan 2016

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 #: 10821331
mediumSERVICE BRAKES
Filed: Feb 2015

RETURNED CAR TO DEALER 16 MONTHS AFTER PURCHASE DUE TO GRINDING NOISE FROM WHEELS. BRAKE CALIPERS HAD LOCKED UP, DESTROYING PADS AND SCORING THE ROTORS. BRAKES SERVICED AGAIN IN 2012 AND 2013 FOR WORN PADS AND GRINDING NOISE. BRAKES FAILED AGAIN IN JUNE 2014 REQUIRING NEW PADS AND ROTORS, FRONT AND REAR. RETURNED CAR TO DEALER DUE TO A BURNING SMELL IN DECEMBER 2014. FOUND RIGHT REAR CALIPER HAD SEIZED. REPLACED CALIPER AND PAD. AGAIN BURNING SMELL IN JANUARY 2015. DEALER FOUND LEFT REAR CALIPER HAD SEIZED. REPLACED CALIPER, PADS, AND ROTOR. CONTACTED HYUNDAI MOTOR AMERICA WHO STATES THIS IS NORMAL. ALSO STATE THAT DESIGN DEFECTS ARE NOT COVERED UNDER HYUNDAI WARRANTY. *TR

NHTSA #: 10680843
mediumSERVICE BRAKES
Filed: Feb 2015

THERE IS A SERIOUS PROBLEM WITH THE REAR BRAKES ON THIS CAR AND THE DEALER CHARGED ME $550 TO FIX A PROBLEM THAT SHOULD HAVE BEEN COVERED BY A RECALL AS WITH SOME OF THE OTHER SONATA BRAKE PROBLEMS. *TR

NHTSA #: 10680736
mediumSERVICE BRAKES
Filed: Dec 2014

MY 2009 HYUNDAI SONATA WITH ABOUT 46K MILES HAD BRAKES BEGIN SCREECHING WITH A METAL-ON-METAL SOUND WHEN BRAKING. IN FACT, THE SOUND CONTINUED WHEN ACCELERATING AFTER COMPLETING A STOP. ON FRIDAY 12/26/14, THE CAR REPAIR SHOP REPLACED THE PADS AND ROTORS. THE NEXT DAY, THE BRAKES WERE QUIET BUT OVERHEATED TO SUCH AN EXTREME THAT THERE WAS A STRONG BURNING SMELL AND THE WHEEL COULD NOT BE TOUCHED FOR FEAR OF BURNING YOUR HAND. RETURNING TO THE CAR REPAIR SHOP, ONE OF THE NEW ROTORS WAS COMPLETELY BLACK FROM THE EXTREME HEAT. THE PADS, ROTOR, AND CALIPERS REQUIRED COMPLETELY REPLACING - EVEN THE NEW ONES JUST PURCHASED. THIS IS A SAFETY ISSUE THAT HYUNDAI NEEDS TO TAKE RESPONSIBILITY FOR, ISSUE RECALLS, AND PAY FOR MY REPAIRS. *TR

NHTSA #: 10668786
mediumSERVICE BRAKES
Filed: Nov 2014

I HAVE OWNED THIS CAR FOR THE PAST 50000 MILES AND HAVE REPLACED THE LEFT REAR CALIPER 4 TIMES, RIGHT REAR CALIPER 2 TIMES. THE REAR CALIPERS HAVE A PROBLEM OF STICKING CAUSE THE REAR BRAKE PADS TO PREMATURELY WEAR OUT. IT APPEARS THAT THE PROTECTIVE RUBBER BOOT WILL PINCH ON THE CALIPER AND PREVENT IT FROM RELEASING, HYUNDAI STATES THIS IS NORMAL. I HAVE GONE THROUGH ALSO 4 SETS OF PADS IN THE REAR, AND NONE IN THE FRONT. AS USUAL THE CAR DEALER ADMITS TO NOTHING, AND WILL DO NOTHING TO HELP. *TR

NHTSA #: 10653083
mediumSERVICE BRAKES
Filed: Oct 2014

IN JANUARY, WHEN DRIVING OUR 2009 HYUNDAI SONATA, THE REAR RIGHT BRAKES MADE NOISE AND WERE CAUSING NOISE AND EXCESSIVE HEAT TO COME FROM BRAKE AREA, WHERE THE WHEEL WAS TOO HOT TO TOUCH AND A SMELL OF HOT RUBBER COULD BE MADE. WHEN TAKEN INTO THE DEALER FOR REPAIR, THE TECHNICIAN STATED "FOUND THE REAR BRAKES DOWN TO METAL ON METAL. CAUSING THE CONCERN. TECHNICIAN REPLACED THE REAR BRAKE PADS AND RIGHT REAR ROTOR." SEVEN MONTHS LATER IN AUGUST, THE SAME NOISE, SMELL AND EXCESSIVE HEAT HAPPENED AGAIN. PER THE DEALER "VERIFIED CUSTOMER CONCERN, TECHNICIAN REPLACED THE RIGHT REAR BRAKE CALIPER AS NEEDED. INSTALLED REPLACEMENT PADS,..." WE WERE FORTUNATE NOT TO BE IN ANY ACCIDENT WITH THESE POOR BRAKES. THE DEALER MADE US PAY FOR BOTH SETS OF REPAIRS. THIS IS A MANUFACTURER DEFECT, AND SHOULD BE A NO CHARGE REPAIR. *TR

NHTSA #: 10650539
mediumSERVICE BRAKES
Filed: Sep 2014

I HAD MY CAR TOWED TO THE DEALERSHIP IN JANUARY AFTER MY BRAKES FAILED ON THE WAY TO WORK. BY PUTTING THE BRAKE PEDAL ALL THE WAY TO THE FLOOR I WAS ABLE TO STOP THE CAR. THE DEALERSHIP TOLD ME IT WAS THE RIGHT REAR CALIPER THAT HAD SEIZED. THEY REPAIRED THAT CALIPER, BUT I EXPRESSED MY CONCERN FOR THE LEFT REAR CALIPER BEING DAMAGED AND WAS TOLD THAT IT WAS "FINE." WELL A FEW MONTHS LATER, MY LEFT REAR CALIPER HAS SEIZED AND I HAD IT TOWED TO THE DEALERSHIP. THEY TELL ME THAT IT IS NO LONGER UNDER WARRANTY. I TOLD THEM THAT THIS IS A KNOWN ISSUE AND THAT I EXPRESSED MY CONCERN ABOUT THE LEFT REAR CALIPER IN JANUARY. THEY TELL ME THAT IT IS UP TO HYUNDAI TO DECIDE WHETHER IT WILL BE COVERED OR NOT. THIS IS RIDICULOUS! PEOPLES' LIVES ARE AT RISK! *TR

NHTSA #: 10633529
mediumSERVICE BRAKES
Filed: Sep 2014

PREMATURE WEAR AND REPLACEMENT WAS REQUIRED DUE TO A DEFECT INVOLVING THE BRAKES AND CALIPERS WHICH MAY INVOLVE DEFECTIVE PARTS AND/OR PREMATURE CORROSION. BRAKES AND CALIPERS REPLACED TWICE IN TWO YEAR PERIOD. REAR BRAKE CALIPERS WOULD PERIODICALLY STICK AND GRIND CAUSING BRAKES TO SMOKE AND GIVE OFF BURNING SMELL. CAR AT TIMES WAS UNSAFE TO DRIVE DUE TO THESE PROBLEMS. *TR

NHTSA #: 10629999
mediumSERVICE BRAKES
Filed: Jun 2014

I HAD A LOUD SCRAPING NOISE COMING FROM THE REAR OF MY CAR AND FOR THE SECOND TIME IN 2 YEARS, I HAVE HAD TO HAVE MY REAR PADS AND ROTORS REPLACED.. THE FIRST TIME WAS IN NOVEMBER OF 2012.. I AM THE ORIGINAL OWNER OF THIS CAR AND THIS IS EXCESSIVE. I HAVE READ 51 OTHER COMPLAINTS OF THE SAME PROBLEM. I HAVE HAD 5 HYUNDAIS AND NOT PUT REAR BRAKES ON THEM UNTIL OVER 100,000 MILES.. *TR

NHTSA #: 10604470
mediumSERVICE BRAKES
Filed: Apr 2014

I HAVE HAD TO REPLACE MY REAR BRAKES AND ROTORS TWICE IN 5YRS. THE FIRST WAS IN MAY OF 2012. THE VEHICLE HAD 28,000 MILES. THERE WAS NO WARNING LIGHTS MY FIRST INDICATION WAS A DRAGGING SOUND. I JUST HAD THEM REPLACED AGAIN APRIL 2014 WITH 42.000 MILES. AGAIN NO WARNING UNTIL THE HORRIBLE GRINDING SOUND. ALSO MANY TIMES AFTER LONG TRIPS THERE IS A DISTINCT BURNING SMELL. I WAS TOLD BY THE DEALER THAT IT WAS MY TIRES. ANOTHER REPAIR COMPANY TOLD ME IT WAS MY BRAKES GETTING HOT. THEY SAID THAT THE REAR BRAKES ARE CONSTANTLY ENGAGED THUS BURNING THE PADS AND DECREASING GAS MILLAGE. OTHER PEOPLE HAVE REPORTED THE SAME PROBLEM THOUGH HYUNDAI DENIES IT. IT IS A HUGE SAFETY ISSUE!! *TT

NHTSA #: 10583396
mediumSERVICE BRAKES
Filed: Dec 2013

TL* THE CONTACT OWNS A 2009 HYUNDAI SONATA. THE CONTACT STATED THAT THE BRAKES REQUIRED EXCESSIVE FORCE IN ORDER TO STOP THE VEHICLE. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER FOR DIAGNOSIS WHERE THE TECHNICIAN STATED THAT THE RUSTED BRAKE CALIPER PIN HAD SEIZED. THE REAR BRAKES WERE REPLACED AND THE BRAKE PIN WAS LUBRICATED. THE MANUFACTURER WAS NOTIFIED OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 55,000.

NHTSA #: 10556346
mediumSERVICE BRAKES, HYDRAULIC,EXTERIOR LIGHTING
Filed: Dec 2013

2009 HYUNDAI SONATA. CONSUMER WRITES IN REGARDS TO VEHICLE BRAKES RECALL NOTICE. *SMD THE CONSUMER ASKED THE DEALER WHY HAD HE NOT BEEN NOTIFIED OF THE RECALL, AND THE DEALER REPLIED, THAT COLORADO WAS NOT ONE OF THE STATES INCLUDED. IT ONLY COVERED THE EAST COAST, BECAUSE OF THE HARSH WINTERS AND SALT USED ON THEIR HIGHWAYS. THE CONSUMER STATED ON SEVERAL OCCASIONS, HE HAD TO TAKE THE VEHICLE TO THE DEALER, TO HAVE THE BRAKES REPLACED.

NHTSA #: 10555604
mediumSERVICE BRAKES
Filed: Dec 2013

WHEN APPLYING BRAKES, THE BRAKES START STICKING, CAUSING THE CAR TO JERK. I HAVE TAKEN THE CAR TO THE DEALERSHIP FOR THEM TO TELL ME THEY COULD NOT SEE ANYTHING THAT WAS WRONG WITH THE BRAKES. WHEN I LEFT THE DEALERSHIP, THE BRAKES WERE DOING THE SAME THING. *TR

NHTSA #: 10555196
mediumSERVICE BRAKES
Filed: Nov 2013

IN APRIL 2013 MY REAR BRAKES HAD TO BE REPLACED FOR INSPECTION. THE RIGHT REAR SIDE WAS DOWN TO NOTHING, IT WAS RUBBING BARE METAL TO BARE METAL, BRAKES AGAIN ROTORS. THE LEFT SIDE WAS ALSO MORE WORN THAN IT SHOULD HAVE BEEN, BUT NOT AS BAD AS THE RIGHT SIDE. IN JULY 2013 THE SAME ISSUE HAPPENED AGAIN. THE RIGHT REAR SIDE WAS RUBBING METAL TO METAL, BRAKES AGAINST ROTOR. THE LEFT SIDE WAS FINE. THE BRAKES PARTS (CALIPER) WERE WORKING APPROPRIATELY. IN OCTOBER 2013 THE RIGHT REAR BRAKES BEGAN SQUEALING AND APPROXIMATELY 2 WEEKS AFTER THE SQUEALING BEGAN IT STARTED MAKING THE SAME GRINDING NOISE AS IT DID THE PREVIOUS TIMES AND THE BRAKES HAD TO BE REPLACED AGAIN. THIS TIME, THE CALIPER ALSO HAD TO BE REPLACED. MY REAR BRAKES HAVE HAD TO BE REPLACED THREE TIMES IN 8 MONTHS. *TR

NHTSA #: 10552841
mediumSERVICE BRAKES
Filed: Nov 2013

TL* THE CONTACT OWNS A 2009 HYUNDAI SONATA. THE CONTACT STATED THAT THE ESC WARNING LIGHT ILLUMINATED INTERMITTENTLY. THE MANUFACTURER WAS CONTACTED AND INFORMED THE CONTACT THAT THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER 13V113000 (EXTERIOR LIGHTING, SERVICE BRAKES, HYDRAULIC). THE VEHICLE WAS NOT REPAIRED OR DIAGNOSED. THE FAILURE MILEAGE WAS 60,000. THE VIN WAS NOT AVAILABLE.

NHTSA #: 10551429
mediumSERVICE BRAKES
Filed: Aug 2013

THE REAR CALIPERS MOUNTING BRACKET IS HOLDING THE BRAKES WAY TO TIGHTLY TO THE ROTORS SO THEY ARE CONSTANTLY BEING APPLIED. THE ONLY WAY TO PREVENT THIS FROM HAPPENING IS TO MANUALLY GRIND DOWN THE SIDES OF THE BRAKES TO MAKE THEM FIT PROPERLY. I FOUND THIS OUT WHEN I CHANGED MY BRAKES BEFORE A LONG CAR RIDE (APPROX 4 HOURS). THE BRAKES WERE HOLDING THE CAR BACK AND THROWING OFF MY ALIGNMENT. BOUGHT VEHICLE WITH 49000 MILES WITH NEW BRAKES. REPLACED THEM AT 68200. CURRENTLY HAS 69200 AND I HAVE TO REPLACE THE BRAKES AGAIN BECAUSE THE HOT FRICTION COMPLETELY RUINED THE BRAKES. MY WIFE IS PREGNANT AND I DO NOT FEEL SAFE KNOWING MY BRAKES MIGHT BURN OUT AT SOME POINT AND FAIL. *TR

NHTSA #: 10535873
mediumSERVICE BRAKES
Filed: Aug 2013

REAR BRAKE CALIPERS ARE LOCKING UP CAUSING PREMATURE EXCESSIVE WEAR OF THE REAR BRAKES. THIS IS UNDETECTABLE IN THE DRIVABILITY OF THE CAR UNTIL THE BRAKE PADS ARE WORN SO LOW THAT THEY MAKE NOISE. *TR

NHTSA #: 10535069
mediumSERVICE BRAKES
Filed: Jun 2013

DURING VEHICLE OPERATION, SEVERAL PEOPLE PASSED ME AND MADE VARIOUS HAND SIGNALS AND GESTURES (PROFANE, SPECIFICALLY), AS I APPARENTLY HAD LOST FUNCTIONALITY OF MY BRAKE LIGHTS DURING MY JOURNEY HOME FROM WORK. WITH NO INDICATION ON THE OPERATOR CONSOLE TO ALERT THE OPERATOR THAT THIS HAD OCCURRED, I DID NOT REALIZE THAT THE BRAKE LIGHTS WERE NOT FUNCTIONING UNTIL I HAD ARRIVED TO MY HOME (BARELY AVERTING 2-3 REAR END COLLISIONS ALONG THE WAY). WHEN I PULLED INTO MY DRIVE WAY AND ATTEMPTED TO SHIFT THE CAR FROM DRIVE (D) TO PARK (P), I WAS UNABLE TO ADVANCE THE SHIFTER PASSED REVERSE (R). I HAD TO PLACE THE VEHICLE IN NEUTRAL (N) AND ENGAGE THE HANDBRAKE. I RETRIEVED A FLATHEAD SCREWDRIVER TO ENGAGE THE SHIFT LOCK ON THE SHIFT CONSOLE AND PLACED THE VEHICLE INTO PARK (P). AFTER LEARNING OF THIS ISSUE, I TOOK THE VEHICLE TO THE NEAREST DEALERSHIP, WHO ADVISED ME THAT THE BRAKE SWITCH WAS FAULTY AND NEEDED TO BE REPLACED. I PAID TO HAVE IT REPLACED. A SHORT TIME LATER, I SAW THE PRESS RELEASE FROM HYUNDAI THAT SEVERAL VEHICLES WERE BEING RECALLED BECAUSE OF THIS EXACT ISSUE, THOUGH, AFTER CONTACTING THE DEALERSHIP AND HYUNDAI DIRECT, I LEARNED THAT MY VEHICLE WAS NOT PART OF THEIR CAMPAIGN. AS A DEGREED MECHANICAL ENGINEER, I MAINTAIN THAT THIS ISSUE SHOULD BE PART OF THE RECALL AND CONSIDER THIS TO BE A DESIGN FAULT OF THE VEHICLE. IF I HAD BEEN REAR ENDED, I COULD HAVE BEEN MET BY A LAWSUIT (NOT TO MENTIONED SUSTAINED AN INJURY) BECAUSE OF NOT FUNCTIONING BRAKE LIGHTS. I'VE MADE SEVERAL CONTACTS WITH HYUNDAI AND THEY WILL NOT BUDGE ON THEIR STANCE THAT THIS IS A DESIGN ISSUE. THERE MUST EITHER BE A FAIL SAFE TO ENSURE THAT THE BRAKE LIGHTS ARE FUNCTIONAL OR, AT THE VERY LEAST, AN ALARM ON THE OPERATOR CONSOLE ALERTING THE DRIVER THAT THE BRAKE SWITCH HAS STOPPED FUNCTIONING. I AM VERY APPALLED WITH HYUNDAI'S BEHAVIOR AND RESPONSE TO THIS ISSUE. *TR

NHTSA #: 10522244
mediumSERVICE BRAKES
Filed: Jun 2013

HEARD SQUEALING AND GRINDING COMING FROM REAR BRAKES.REPLACED PADS AND LUBRICATED PINS, NOW 6/2013 HEAR THE SAME NOISE AGAIN AND THIS TIME PREMATURE WEAR OF THE PADS AND ROTORS ARE WARPED AND FALLING APART. ALSO LUG NUTS ARE RUSTED AND SWOLLEN (THIS AT 45000) JUST UNDER 14000 AFTER LAST REPLACEMENT. I WILL BE TAKING IT TO A CERTIFIED MECHANIC SO THE DEALERSHIP CANNOT TRIPLE CHARGE FOR WORK AND TELL ME IT IS MY FAULT. WE'LL SEE HOW LONG THIS REPAIR LASTS. ALSO HAD THE CAR IN FOR BOUNCING IN THE FRONT...HAD TIRES ROTATED AND REBALANCED AND STILL DOES IT PERIODICALLY THE DEALER SAID NOTHING WRONG WITH THE FRONT END. *TR

NHTSA #: 10519971
mediumSERVICE BRAKES
Filed: Feb 2013

THE RIGHT REAR BRAKE PAD WAS WORN DOWN PAPER THIN AND CAUSED THE ROTOR TO BE SCORED. AFTER THE ROTOR AND PADS WHERE REPLACED THE SAME PASSENGER READ WHEEL BEGAN TO BURN AND CAUSED A VERY PUNGENT ORDER. LARGE AMOUNTS OF BRAKE DUST ALSO BEGAN TO COLLECT ON THE WHEEL. THIS SAME PROBLEM HAS ALREADY BEEN REPORTED BY OTHERS. *TR

NHTSA #: 10498077
mediumSERVICE BRAKES
Filed: Jan 2013

HEARD NOISE FROM BRAKES AND THOUGHT IT WAS FRONT PADS.CHANGED FRONT PADS BUT IT DID NOT SOLVE PROBLEM. TOOK BACK TIRES OFF TO CHECK BRAKES AND MUCH TO MY SURPRISE THERE WAS HARDLY ANY PADS LEFT. CHANGED PADS AND THAT STOPPED THE NOISE ONLY TO HAVE TO BRING MY CAR IN FOR SERVICE DO TO THE FACT THAT THE CALIPERS WERE NOT RELEASING. THEY KEPT THE CAR FOR 2 DAYS AND SAID THAT CALIPERS WERE BAD. THEY HAD TO PUT NEW BRAKES ON(MINE WERE ONLY ON A WEEK) TURN THE ROTORS AND SAID MY BRAKE FLUID WAS CONTAMINATED. 10 YR 100000 MILE WARRANTY PLUS BOUGHT EXTENDED WARRANTY AND I STILL HAD TO PAY FOR SOMETHING THEY CALL NORMAL WEAR. NOTHING NORMAL ABOUT THAT!ALSO WANTED TO DRAIN OLD BRAKE FLUID AND CHARGE 129.99 FOR SOMETHING THEY HAD TO DO WHEN THEY PUT NEW CALIPERS ON ANY WAY BY BLEEDING THE LINES. THEN TO CHARGE 110.00 TO TURN THE ROTORS. I ARGUED AND EVERYONE I TALKED TO SAID THIS IS GUIDE LINES WE HAVE TO FOLLOW. I CANT BELIEVE THERE IS NOT A RECALL ON THIS .I AM NOT THE ONLY ONE THAT HAS COMPLAINED ABOUT BACK BRAKES CAUSING PROBLEMS ON SONATAS. THEY DO NOT COVER PARTS FROM NORMAL WEAR IF CALIPERS DIDN'T MALFUNCTION I WOULDN'T HAVE HAD TO HAVE ANYTHING DONE TO MY CAR. THEY DENY,DENY,DENY UNTIL SOMEONE GETS KILLED. COULD BE ANOTHER TOYOTA ORDEAL! *TR

NHTSA #: 10492302
mediumSERVICE BRAKES
Filed: Jan 2013

I PURCHASED MY 2009 SONATA IN MARCH OF 2012 AT THE LOCAL HYUNDAI DEALERSHIP, WITH ABOUT 44K ON IT. EVERYTHING WAS CHECKED OFF AND CONFIRMED AS IN GOOD WORKING ORDER. A HISTORY REPORT SHOWED THE BRAKES BEING REPLACED LAST AT 41K MILES. I TOOK MY CAR IN FOR ITS 60K CHECKUP AND HAVE BEEN TOLD THE REAR BRAKES ARE SHOT, AND EVERYTHING NEEDS TO BE REPLACED...PADS, CALIPERS, ROTORS, ETC. IT HADN'T MADE A GRINDING NOISE OR ANYTHING AT THAT POINT, SO I DECIDED TO TAKE IT TO A CERTIFIED MECHANIC I USUALLY GO TO. HE CONFIRMED EVERYTHING AND SAID ALL TOLD THE REPAIR IS GOING TO COST ME ROUGHLY $800!!! HE ALSO TOLD ME IT WAS A BIG ISSUE THEY SEE ONLY ON HYUNDAI'S, AND THAT THERE IS NO WAY THE REAR BRAKES SHOULD EVER GO BEFORE THE FRONT BRAKES NEED TO BE REPLACED BECAUSE THERE IS SO MUCH FORCE THAT IS NEEDED TO BRAKE THE FRONT OF THE CAR COMPARED TO THE REAR. SO DID RESEARCH AND FIND OUT THAT THIS IS A HUGE PROBLEM WITH THESE VEHICLES. I AM NOT LOOKING FORWARD TO REPLACING MY ENTIRE REAR BRAKE SYSTEM EVERY 15-20K MILES. I WILL BE FILING A FORMAL COMPLAIN WITH HYUNDAI AS WELL...MY HOPE IS IF THEY WANT TO KEEP THEIR CUSTOMERS, THEY WILL DO SOMETHING ABOUT THIS ALL TOO COMMON ISSUE! *TR

NHTSA #: 10491702
mediumSERVICE BRAKES
Filed: Dec 2012

I HAD MY REAR BRAKES AND ROTORS REPLACES IN FEBRUARY 2012 AT AROUND 60K MILES. IN OCTOBER 2012 AGAIN MY CAR FELT LIKE IT WAS DRAGGING AND I HEARD THE TELL TALE SQUEALING OF THE BRAKES SO I TOOK IT BACK TO THE REPAIR SHOP TO BE TOLD MY REAR BRAKES AND ROTORS AGAIN WERE WORN OUT AND CHEWED THROUGH, AND NO THAT MY CALIPERS HAD SEIZED AND I WOULD NEED TO PAY YET AGAIN TO HAVE THIS ISSUE REPAIRED. THE MECHANIC MADE A COMMENT THAT THE ONLY TIME HE'D EVER SEEN THIS BEFORE WAS FROM YOUNG PEOPLE DOING "POWER SLIDES" ON THEIR CARS, SOMETHING I WOULD NEVER DO (I AM 28 YEARS OLD). UPON RESEARCH I FIND THIS IS A WELL DOCUMENTED PROBLEM WHEN SEARCHING ONLINE FOR BREAK PROBLEMS WITH THIS CAR FOR MODEL YEARS 2006-2010, ENOUGH THAT THERE IS EVEN A CLASS ACTION LAWSUIT IN NEW YORK. HYUNDAI NEEDS TO RECALL AND REPAIR THESE VEHICLES AS WELL AS REIMBURSE FOR THE EXPENSE OF FIXING THESE UP UNTIL THEY ISSUE THE RECALL. *TR

NHTSA #: 10490226
mediumSERVICE BRAKES
Filed: Aug 2012

WAS DRIVING AND NOTICED A BURNING SMELL IN THE CAR. STOPPED AND COULD FIND ANYTHING WRONG. SO WE DROVE HOME, AT MAYBE 15 MILES FROM HOME WE NOTICED A SCRAPING SOUND. AND COULD NOT DRIVE ANY FURTHER, BEING LATE AT NIGHT WE CALLED A FRIEND WHO HAS A TOW TRUCK AND IS MECHANIC. TOLD US THE BRAKE PADS WERE WORN AND WAS SCRAPING METAL TO METAL.HE TOWED US HOME FOR $25.00 WHEN WE GOT HOME WE CALLED ROADSIDE SERVICE THEY TOWED IT NAPLETON HYUNDAI IN CALUMET CITY ILL WE PURCHASED THE CAR FROM, FAMILY HYNUDAI 8101 W 159TH ST TINLEY PARK ILL THE VEHICLE WAS A USED TRADE IN WITH 39,736 MILES PURCHASE DATE WAS 2/18/2012. UPON INSPECTION AT NAPLETON HYUNDAI WE WERE TOLD THAT THE LEFT REAR BRAKE PAD HAD HUNG UP IN HOLDER AND THAT WE NEEDED TO REPLACE IT AND ROTOR. THE RIGHT PADS WERE FINE AND HARDLY ANY WEAR AT ALL WE WERE TOLD THE WARRANTY DOES NOT COVER THAT. WHY SHOULD ONE SIDE GO BAD AND NOT THE OTHER. UNLESS THERE IS A DEFECT SOME WHERE. *TR

NHTSA #: 10471349
mediumSERVICE BRAKES
Filed: Aug 2012

I PURCHASED MY 2009 HYUNDAI SONATA IN AUGUST 2009. IN DECEMBER 2011 I TOOK MY CAR TO THE DEALER FOR A ROUTINE OIL CHANGE AND ASKED THAT THE BRAKES BE LOOKED AT BECAUSE THEY WERE SQUEAKING AND THE PEDAL FELT SOFT. I WAS NOT SURE WHAT THE MILEAGE WAS BUT I THINK IT WAS AT 34K. I WAS TOLD THAT I NEEDED REAR AND FRONT BRAKES. I WAS TOLD MY REAR BRAKES WERE COMPLETELY GONE AND MY FRONT BRAKES WERE AT 30 TO 40%. DUE TO FINANCIAL REASONS, I HAD THEM FIX THE REAR BRAKES THAT DAY AND TOOK THE CAR BACK TO HAVE THE FRONT BRAKES FIXED IN MARCH 2012. SINCE THAT TIME THE PEDAL IS STILL SOFT AND WHEN I AM DRIVING IN CITY TRAFFIC THE CAR STOPS LIKE I NEED BRAKE, EVEN THOUGH I HAVE PAID $400 IN THE LAST SIX MONTHS FOR NEW BRAKES. I HAVE ON MORE THAN ONE OCCASION HAD TO PULL OFF THE ROAD FOR FEAR THAT I WOULD HIT THE CAR IN FRONT OF ME. AFTER AN EXHAUSTIVE FIGHT WITH THE DEALER I WAS BASICALLY TOLD THIS WAS THE DESIGN OF THE CAR. I CONSIDER THIS A HUGE SAFETY ISSUE AND I GUESS IT WILL BE LIKE THE TOYOTA AND/OR FIRESTONE INCIDENT. WHEN SOMEONE DIES BECAUSE THEIR CAR WILL NOT STOP, THEN SOMEONE WILL TAKE NOTICE. *TR

NHTSA #: 10468920
mediumSERVICE BRAKES
Filed: Jul 2012

IN REGARDS TO MY VEHICLES REAR DISC BRAKES. FROM MY EXPERIENCE AND EDUCATION IT IS VERY UNUSUAL FOR YOUR REAR BRAKE PADS TO WEAR OUT BEFORE THE FRONT DO. DO TO WEIGHT AND INERTIAL PUSHING HARDER ON THE FRONT BRAKES ( THIS VEHICLE IS MUCH MORE HEAVIER IN THE FRONT THAN THE BACK). MY REAR PADS WORE OUT BEFORE AND FROM SOME RESEARCH IN FORUMS ON MY MODEL CAR OTHERS HAVE HAD SAME EXPERIENCE. I BELIEVE THERE IS A DEFECT HERE AND IT MIGHT INVOLVE THE PROPORTIONING VALVE SENDING TOO MUCH PRESSURE TO THE REAR CALIPERS IN COMPARISON TO THE FRONT CALIPERS. MIGHT OF BE AN ADJUSTMENT IN THE VALVE THAT IS CAUSING ISSUE. I WOULD LIKE AN INVESTIGATION INTO ISSUE . I CAN PROVIDE ASSISTANCE IF NEEDED IN REGARDS TO VEHICLE AS SUBJECT FOR TESTING. 2009 HYUNDAI SONATA GLS 4-CYL AUTOMATIC TRANS ,DISC PADS FRONT AND BACK. *TR

NHTSA #: 10467565
mediumSERVICE BRAKES, HYDRAULIC
Filed: Apr 2012

THE REAR BRAKES ON THE SONATA ARE NOT RELEASING FULLY CAUSING EXCESS WEAR, BRAKE NOISE AND PREMATURE REPLACEMENT. I BOUGHT THE CAR WITH APPX 20K MILES ON IT SO I DON'T KNOW IF THE REAR BRAKES WERE REPLACED BEFORE PURCHASE. FOR ME THE FIRST REPLACEMENT CAME AT 31,514 MILES, THE SECOND ABOUT 18,000 MILES AFTER THAT (49,465) AND ONCE AGAIN ABOUT 1500 MILES LATER AT 50,973. HYUNDAI DOES NOT RECOGNIZE THIS AS A PROBLEM AND REFUSES TO REPLACE THEM UNDER WARRANTY. ANY BRAKE PAD/ROTOR SYSTEM THAT FAILS AT AN AVERAGE OF 20K NEEDS TO BE RECALLED. *TR

NHTSA #: 10456672
mediumSERVICE BRAKES, HYDRAULIC,ELECTRICAL SYSTEM,ELECTRONIC STABILITY CONTROL (ESC)
Filed: Apr 2012

THE BRAKE LIGHTS DO NOT ILLUMINATE WHEN THE BRAKE PEDAL IS DEPRESSED. THE GEAR SHIFT NOT ABLE TO BE SHIFTED OUT OF THE PARK POSITION. THE ELECTRONIC STABILITY CONTROL (ESC) MALFUNCTION LIGHT ILLUMINATES. VERY SIMILAR TO RECALL FOR SAME MODEL ON ANOTHER YEAR (2006). *TR

NHTSA #: 10454618
mediumSERVICE BRAKES, HYDRAULIC
Filed: Apr 2012

REAR BRAKES ARE WORN OUT AT 19,7000 MILES THE CALIPERS ARE WORN OUT AND MY FRONT BRAKES ARE PERFECT.. FRONT BRAKES USUALLY WEAR OUT BEFORE REAR BRAKES WHAT IS GOING ON... THIS SHOULD NEVER HAPPEN GIVING US LOW GAS MILEAGE THESE FAULTY CALIPERS HYUNDAI SHOULD PAY THIS COULD RESULT IN A CRASH DUE TO A FAULTY BRAKE SYSTEM. *TR

NHTSA #: 10454427
mediumSERVICE BRAKES, HYDRAULIC
Filed: Mar 2012

TL* THE CONTACT OWNS A 2009 HYUNDAI SONATA. THE CONTACT STATED THAT THE VEHICLE EMITTED A SQUEAKING NOISE WHILE DRIVING. THE VEHICLE WAS TAKEN TO A LOCAL MECHANIC, WHO PERFORMED AN INSPECTION. THE CONTACT WAS INFORMED THAT THE REAR BRAKES WERE PREMATURELY WORN DUE TO DEFECTIVE CALIPERS. THE BRAKE PADS AND ROTORS WERE REPLACED. THE MECHANIC REPAIRED THE CALIPERS UNTIL THEY WERE IN WORKING CONDITION. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE AND CURRENT MILEAGES WERE 26,700. THE CONSUMER WAS INFORMED THE REAR PADS AND ROTORS WERE COMPLETELY WORN DUE TO RUST ON THE ROTORS EVEN THOUGH THE FRONT BRAKES WERE IN GOOD CONDITION. UPDATED 06/04/12

NHTSA #: 10453022
mediumSERVICE BRAKES, HYDRAULIC
Filed: Mar 2012

I WAS TOLD BY THE DEALER ON 3/6/12, THAT THE REAR BRAKES WERE SEIZING UP AND THAT I WOULD NEED NEW ROTORS DUE TO EXTREME RUST AND NEW PADS AFTER ONLY 16,500 MILES. *TR

NHTSA #: 10450467
mediumSERVICE BRAKES, HYDRAULIC
Filed: Mar 2012

THE RIGHT REAR BRAKE PAD WAS WORN DOWN PAPER THIN WHILE THE OTHER REAR PADS WERE ONLY 30% WORN. UPON FURTHER INSPECTION, I FOUND THE PAD WAS STUCK TO THE PAD MOUNT/ANCHOR. IT WAS SO STUCK I HAD TO REMOVE THE WHOLE CALIPER AND HAMMER THE OLD PAD OUT. WHEN I EXPLAINED MY SITUATION TO THE DEALER, THEY SAID IT WAS A COMMON PROBLEM AND THAT I SHOULD BRING MY CAR IN EVERY 15000 MILES TO INSPECT AND LUBE MY BRAKES. I EXPLAINED TO THEM THAT THE OWNER'S MANUAL SAYS NOTHING ABOUT DISASSEMBLING AND RE-LUBING MY BRAKES EVERY 15000 MILES. I ALSO COMMENTED ON HOW UNREALISTIC IT IS FOR EVERY SONATA TO NEED A BRAKE LUBE EVERY 15000 MILES. THE SERVICE REPRESENTATIVE BLEW OFF MY CONCERNS. I'M SURE THE DEALERSHIP WOULD LOVE TO SELL EVERYONE A BRAKE LUBE EVERY 15000 MILES, BUT THAT'S RIDICULOUS, ESPECIALLY FOR A SAFETY ITEM SUCH AS BRAKES. THIS SAFETY ISSUE NEEDS TO BE ADDRESSED. *TR

NHTSA #: 10450127
mediumSERVICE BRAKES, HYDRAULIC
Filed: Oct 2011

MY 2009 SONATA HAS 44000 MILES AND THE REAR BRAKES ARE GRINDING. THEY NEED TO BE REPLACED BUT THE FRONT BRAKES LOOK BRAND NEW. I HAVE BEEN WORKING ON CARS FOR OVER 40 YEARS AND HAVE NEVER SEEN OR HEARD OF ANYTHING LIKE THIS BEFORE. REAR BRAKES JUST DON'T WEAR OUT FASTER THAN THE FRONT ONES. I HAVE AN APPOINTMENT TOMORROW AT THE DEALER BUT THEY TOLD ME IT IS NOT A COVERED ITEM BUT A WEAR ITEM. THERE IS A PROBLEM WITH THE CALIPERS STICKING AND CAUSING THE BRAKES TO WEAR OUT. ROUTINE MAINTENANCE WOULD HAVE TAKEN CARE OF THE PROBLEM. WHAT ROUTINE ARE THEY TALKING ABOUT? IT IS NOT ON THE RECOMMENDED LIST AT ANY MILEAGE IN MY OWNERS MANUAL. THANKS GOD IT IS ONLY SOMETHING LIKE BRAKES AND NOT SOMETHING IMPORTANT LIKE THE RADIO GOING OUT. SARCASM IS HOW I DEAL WITH STRESS.[XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

NHTSA #: 10432508
mediumSERVICE BRAKES, HYDRAULIC
Filed: Oct 2011

REAR BRAKES: RUBBING, GRINDING, PREMATURE WEAR AND REDUCED BREAKING EFFECTIVENESS. REPLACEMENT OF REAR ROTORS AND PADS WERE REQUIRED REPLACEMENT TO PASS SAFETY INSPECTION. DEALER INFORMED ME THAT THE CALIPERS WERE NOT SEIZED OR STICKING BUT THAT DRIED OUT LUBRICATION ON SLIDES, PINS, SHIMS WAS THE CAUSE OF THE WEAR. *TR

NHTSA #: 10432435
mediumSERVICE BRAKES, HYDRAULIC
Filed: Oct 2011

TL* THE CONTACT OWNS A 2009 HYUNDAI SONATA. THE CONTACT STATED THAT THE BRAKES WOULD EMIT A GRINDING NOISE WHENEVER THEY WERE APPLIED. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER ON SEVERAL OCCASIONS WHERE THE BRAKES AND CALIPERS WERE REPLACED; HOWEVER, THE FAILURE CONTINUED TO OCCUR. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE, BUT OFFERED NO ASSISTANCE. THE FAILURE MILEAGE WAS 40,000.

NHTSA #: 10430600
mediumSERVICE BRAKES, HYDRAULIC
Filed: Oct 2011

I HAVE A 2009 HYUNDAI SONATA THAT STARTED MAKING NOISES WHEN BRAKING AT ABOUT 18000 MILES. THE FIRST TIME I WAS TOLD IT WAS THE ROTORS AND I PAID TO HAVE THOSE TURNED(?). THE NOISE WENT AWAY FOR A COUPLE OF WEEKS. THE NEXT TIME I WAS TOLD IT WAS DEBRIS ON THE BRAKE PADS.(REALLY?) THE NOISE AGAIN WENT AWAY FOR A WEEK OR TWO. NEXT I WAS TOLD THE CALIPERS NEEDED TO BE ADJUSTED. AGAIN, A COUPLE OF WEEKS TILL I HEARD THE NOISE AGAIN. THE NEXT REPAIR WAS NEW FRONT PADS THAT MY DEALERSHIP GOT APPROVED FROM HYUNDAI WARRANTY. AGAIN NO NOISE FOR A COUPLE OF WEEKS. NOW, AT 36000 MILES I NEED REAR BRAKES.IN BETWEEN THE TIMES MY CAR WAS REPAIRED, I ALSO TOOK IT TO THE DEALERSHIP AT LEAST 6 TIMES WHEN THEY EITHER COULD NOT HEAR A NOISE OR COULD NOT FIND THE NOISE. I LIVE IN FLORIDA, NO SALT ON THE ROADS. MOST OF MY MILES ARE HIGHWAY MILES. I HAVE NEVER HAD A CAR NEED REAR BRAKES BEFORE 100,000 MILES, EVEN IN CONNECTICUT. I HAVE LOOKED UP HYUNDAI BRAKE PROBLEMS ONLINE AND FOUND NUMEROUS COMPLAINTS ABOUT THE BRAKES. THIS SHOULD BE MADE A SAFETY ISSUE, NOT A MAINTENANCE ISSUE. *TR

NHTSA #: 10428444
mediumSERVICE BRAKES, HYDRAULIC
Filed: Aug 2011

BRAKE CALIPER FAILURE. RIGHT REAR BRAKE CALIPER LOCKED UP WHEN SLOWING. AN INDEPENDENT MECHANIC INSPECTED THE VEHICLE AND DETERMINED THAT ALL OF THE BRAKE CALIPERS HAD SIGNIFICANT AND PREMATURE CORROSION WHICH IS CAUSING THE BRAKES TO STICK AND THE VEHICLE IS NOT SAFE TO DRIVE. HE ALSO SUGGESTED THAT THE CAR BE TAKEN TO THE DEALER FOR SERVICE BECAUSE BASED ON HIS RESEARCH THE BRAKES ON THIS MODEL VEHICLE WERE LIKELY DEFECTIVE FROM THE FACTORY AND HE WOULDN'T BE ABLE TO FIX THEM PROPERLY USING FACTORY OR AFTERMARKET REPLACEMENT PARTS. HE SPECULATED THAT SINCE THE DEALERS HAVE BEEN INUNDATED WITH THIS PROBLEM, THEY MAY HAVE SOME INSTALLATION TRICKS USING THE DEFECTIVE HYUNDAI CALIPERS. THE INDEPENDENT MECHANIC THEN SPOKE WITH A HYUNDAI DEALER SERVICE REP AND THEY STATED THAT "THIS IS COMMON IN AREAS WHERE ROAD SALT IS USED, EVEN FOR SONATAS WITH LOWER MILES AND THE BEST THEY COULD DO WAS TO CLEAN THE CALIPERS." I'M BRINGING THE SONATA TO THE DEALER ON SATURDAY, AUGUST 27 FOR REPAIR BUT I DON'T FEEL SAFE IN THIS VEHICLE BASED ON THE DISCUSSION WITH THE DEALER. *TR

NHTSA #: 10421406
mediumSERVICE BRAKES, HYDRAULIC
Filed: Aug 2011

I HAVE A 2009 HYUNDAI SONATA AND A GRINDING NOISE STARTED COMING FROM THE BACK PASSENGER SIDE WHILE I WAS DRIVING THE CAR. I TOOK IT TO THE HYUNDAI DEALER AND THEY SAID MY BRAKES AND ROTORS NEEDED TO BE REPLACED. I PURCHASED THE CAR USED, A LITTLE OVER A YEAR AGO, FROM THE DEALER WITH ABOUT 13,000 MILES. IT NOW HAS 37,000 MILES, THE MAJORITY BEING HIGHWAY MILES. I TOOK MY CAR TO ANOTHER CAR REPAIR SHOP BECAUSE THE PRICE I WAS QUOTED FROM THE DEALER SEEMED UNREASONABLY HIGH. THE PLACE I TOOK MY CAR TO TOLD ME THAT WHILE INSPECTING THE CAR THEY NOTICED THAT THE PASSENGER SIDE CALIBER WAS STUCK AND THAT THEY WERE ABLE TO UNSTICK IT. THE MECHANIC SAID HE WOULD NEED TO REPLACE THE PASSENGER SIDE ROTOR AND THE BRAKE PADS. HE SAID I SHOULD THINK ABOUT REPLACING THE CALIPERS. I ASKED WHY THEY WOULD GO BAD THIS SOON. HE SAID IT COULD BE A DEFECT, THAT THERE HAS BEEN A DEFECT REPORTED WITH THE HYUNDAI SANTA FE CALIPERS. I ASKED HIM IF THIS IS SOMETHING THAT SHOULD BE COVERED UNDER MY CAR WARRANTY. HE SAID I SHOULD CHECK WITH THE DEALER. FROM EVERYTHING I'VE READ ON THE INTERNET THE CALIPERS SHOULD NOT GO BAD THIS SOON. IF THEY DO, THEY CAUSE THE VERY PROBLEMS I AM HAVING. I CONTACTED THE DEALER AND TOLD HIM WHAT THE OTHER MECHANIC FOUND IN REGARD TO THE CALIPER. HE TOLD ME THERE WAS NOTHING WRONG WITH THE CALIPER WHEN THEY LOOKED AT IT. THE FUNNY THING IS THAT THE PRICE THE DEALER QUOTED ME TO REPAIR JUST MY BRAKES AND ROTORS IS THE SAME PRICE THE OTHER MECHANIC QUOTED ME TO REPAIR THE ROTOR, BRAKES AND CALIPERS. I AM HAVING JUST THE BRAKES AND ROTORS DONE AT THIS TIME SINCE ACCORDING TO THE DEALER THERE IS NO PROBLEM WITH THE CALIPERS. IF THEY ARE NOT TELLING ME THE TRUTH, I WILL BE HAVING THIS BRAKE PROBLEM AGAIN. *TR

NHTSA #: 10418064
mediumSERVICE BRAKES, HYDRAULIC
Filed: Aug 2011

I HAVE A 2009 HYUNDAI SONATA WITH 45000 MILES ON IT. THE FIRST TIME I REPLACED THE PADS IN THE REAR AT 10,000 MILES . I HAVE REPLACED THE REAR BRAKE PADS AN ADDITIONAL 3 TIMES AND THE FRONT PADS ONLY ONCE. I HAVE BEEN A MECHANIC AND AUTOMOTIVE TECHNOLOGY INSTRUCTOR FOR OVER 45 YEARS AN NEVER HAD A VEHICLE WEAR OUT REAR BRAKES FASTER THAN THE FRONT ONES WITHOUT SOMETHING MAJOR WRONG WITH THE SYSTEM. I HAVE CHECKED THE CALIPERS AND THEY ARE NOT DRAGGING THE PADS AGAINST THE ROTORS. THE FIRST TIME I REPORTED THE PROBLEM TO THE SERVICE MANAGER HE SAID THIS WAS NORMAL, I DON'T THINK SO! *TR

NHTSA #: 10417039
mediumSERVICE BRAKES, HYDRAULIC
Filed: Aug 2011

AS I WAS DRIVING IN CITY TRAFFIC, I NOTICED A GRINDING NOISE COMING FROM THE REAR AS I APPLIED THE BRAKES. IT BECAME WORSE AS I CONTINUED TO DRIVE AND BRAKE, SO I PARKED THE CAR AS SOON AS I COULD. I BROUGHT IT INTO THE DEALER. THEY SAID THE REAR BRAKE PADS WERE COMPLETELY WORN AWAY. THEY SAID I NEEDED NEW REAR BRAKE PADS AND ROTORS, BECAUSE THE ROTORS HAD BECOME TOO DAMAGED TO USE. I HAD THE HYUNDAI SERVICE DEPARTMENT REPLACE THE REAR BRAKE PADS AND ROTORS. THERE WAS NO INDICATION (I.E. A TYPICAL "SQUEAL") THAT WOULD HAVE ALERTED ME TO WEAR ON MY BRAKE PADS. THEY WERE SIMPLY GONE. I HAVE SERIOUS CONCERNS ABOUT THIS INCIDENT, AS BRAKE FAILURE COULD HAVE OCCURRED HAD I NOT STOPPED DRIVING AND GOTTEN MY CAR TO THE SERVICE DEPARTMENT AS SOON AS POSSIBLE. 38,000 MILES IS FAR TOO EARLY FOR REAR BRAKE PADS TO BE COMPLETELY WORN AWAY. I DO NOT KNOW OF ANY OTHER VEHICLE WHERE THE REAR BRAKE PADS WOULD HAVE COMPLETELY WORN AWAY AT SUCH LOW MILEAGE. I SUSPECT A MANUFACTURING DEFECT HAS LED TO PREMATURE REAR BRAKE WEAR. THIS COULD HAVE LED TO A SERIOUS ACCIDENT.

NHTSA #: 10417469
mediumSERVICE BRAKES, HYDRAULIC
Filed: Jul 2011

I OWN A 2009 HYUNDAI SONATA LIMITED EDITION. I BOUGHT IT ON APRIL 8, 2010 AND IT HAD 21K AT THE TIME OF PURCHASE. ON JULY 17, 2011, (NOW AT 47K MILES) I NOTICED A SQUEALING NOISE COMING FROM THE TIRES AS THEY WENT AROUND. THIS NOISE GOT PROGRESSIVELY WORSE OVER THE NEXT 3 DAYS AND I BROUGHT IT IN TO THE DEALERSHIP WHERE I PURCHASED IT. (I ALSO PURCHASED A GREAT 7YR WARRANTY WHICH COVERS BASICALLY ANYTHING EXCEPT FOR ROUTINE MAINTENANCE ITEMS.) I DROPPED THE CAR OFF ON THE EVENING OF JULY 21, 2011 AND THE NEXT DAY THE DEALERSHIP CALLED ME TO INFORM ME WHAT WAS WRONG WITH MY CAR. THEY SAID THE CALIPER SLIDES WERE HANGING UP AND IT HAD CAUSED ALL MY BRAKES AND ROTORS TO NEED TO BE REPLACED. THEY OFFERED TO FIX "MY PROBLEM" FOR $520. I ASKED HOW THIS COULD POSSIBLE BE MY FAULT, I'VE OWNED SEVERAL CARS AND I'VE NEVER ONCE HEARD OF LUBING THE CALIPER SLIDES. THEY SAID THAT THIS WAS ROUTINE MAINTENANCE AND WOULD NOT BE COVERED UNDER MY WARRANTY, EVEN THOUGH MY WARRANTY SPECIFICALLY STATES THAT IT COVERS FAULTY CALIPERS. THEN I FOUND THIS WEBSITE: HTTP://WWW.SONATABRAKEDEFECT.COM/INDEX.PHP/SONATADEFECT/SONATACOMMENTS.HTML AND I REALIZED I WASN'T THE ONLY ONE EXPERIENCING THIS PROBLEM. AS I READ FURTHER ON I REALIZED THAT HYUNDAI WILL NOT COVER THIS DEFECT BUT RECOMMENDS THAT YOU PAY THEM TO HAVE YOUR CALIPER SLIDES LUBED EVERY 15,000 MILES. WHEN I PICKED MY VEHICLE UP, WHICH I DID NOT ALLOW THEM TO FIX, I ASKED WHY I WAS NEVER NOTIFIED THAT THIS WAS A REQUIRED SERVICE IN ORDER TO PREVENT THIS ISSUE. I RECEIVED NO LOGICAL ANSWER. I ALSO ASKED THEM TO SHOW ME WHERE IN MY OWNERS MANUAL UNDER ROUTINE MAINTENANCE IT STATED THAT THE CALIPER SLIDES NEEDED TO BE LUBED AND THEY COULD NOT SHOW ME. THEY SAID IF I HAD BROUGHT MY VEHICLE IN TO THEM FOR MAINTENANCE THAT IT WOULD HAVE BEEN TAKEN CARE OF. THE WEAR ON THE BRAKES IS COMPLETELY RIDICULOUS AND UNSAFE. ALL PADS ARE WORN UNEVENLY AND IN EXCESS. ALL OF MY BRAKES ARE DESTROYED AND MUST BE REPLACED AT THIS POINT. *TT

NHTSA #: 10414783
mediumSERVICE BRAKES, HYDRAULIC
Filed: Jul 2011

I BROUGHT MY 2009 HYUNDAI IN FOR 16,500 MILE CHECK AND WAS INFORMED THAT MY REAR BRAKES FAILED AND THE BRAKE SHOES AND ROTOR NEEDED REPLACEMENT. I TOLD THEM I HAD NOT NOTED ANY SYMPTOMS OF OR SOUND OF BRAKE FAILURE AND WOULD GET A SECOND OPINION. AT 18,701 MILES I NOTICED NOISE WHILE BREAKING AND RETURNED TO THE DEALER THE SERVICE MANAGER SUGGESTED THE DAMAGE WAS CAUSED BY DRIVING WITH THE EMERGENCY BRAKE ON. I TOLD HIM THAT I DO NOT EVER NEED TO USE THE EMERGENCY BREAK AND SURELY DIDN'T DRIVE WITH IT ON! HE THEN SAID IT WAS CAUSED BY RUST. I WOULDN'T EXPECT REAR BRAKES TO FAIL AT 16,000 MILES. AFTER CHECKING ON-LINE I FOUND IT IS A COMMON FAILURE WITH SONATA. I HAD TO PAY $423.00 TO REPAIR WHAT I CONSIDER TO BE A DESIGN OR MANUFACTURING DEFECT. *KB

NHTSA #: 10413345
mediumSERVICE BRAKES, HYDRAULIC
Filed: Jul 2011

REAR BRAKES FAILED ON 2009 HYUNDAI SONATA... ALSO HAD LOT OF NOISE, GRINDING, WAS ABLE TO STOP CAR BECAUSE FRONT BRAKES DID WORK. TOOK TO GARAGE TO HAVE PADS/ROTORS CHECKED TOLD IT WAS DEALER ISSUE CAR TOO KNEW/LOW MILES. STILL REPLACED ONE ROTOR AND PAD AS TOTALLY GONE. ONE TIRE WOULD NOT ROTATE PROPERLY. WENT TO DEALER - DEALER FINALLY ADMITTED CALIPER DEFECTIVE ON REAR BRAKES - TOLD CAR NOT DRIVABLE PARTS NOT IN STOCK - DRIVE CAR HOME - WILL CALL WHEN PARTS IN. BRAKES VERY, VERY HOT. REAR BRAKE TURNING ON AND OFF AT WILL. *TR

NHTSA #: 10410782
mediumSERVICE BRAKES, HYDRAULIC
Filed: Jun 2011

I AM THE OWNER OF A 2009 HYUNDAI SONATA. THE BRAKES (REAR) ARE SUPPOSEDLY WORN OUT AT 16,000 MILES EVEN THOUGH THE FRONT BRAKES ARE "LIKE NEW". FROM READING ON LINE THERE IS A PROBLEM WITH THESE BRAKES THAT HYUNDAI REFUSES TO ACKOWLEDGE OR REPAIR. I BELIEVE THAT IT IS TIME FOR THE NHTA TO FORCE THE ISSUE. HOW IS IT THAT A MANUFACTURER CAN STONEWALL EVERYONE WHEN IT IS OBVIOUS THAT THERE IS A DESIGN DEFECT? ALL ANY OF US GET FROM HYUNDAI IS THAT HTEY UNDERSTAND OUR CONCERN BUT THEY WILL DO NOTHING. *TR

NHTSA #: 10406196
mediumSERVICE BRAKES, HYDRAULIC
Filed: May 2011

TL*THE CONTACT OWNS A 2009 HYUNDAI SONATA. THE CONTACT STATED THE REAR BRAKES WERE WEARING PREMATURELY. THE VEHICLE WAS BEING EXAMINED BY AN INDEPENDENT MECHANIC DURING ROUTINE MAINTENANCE WHEN THE FAILURE WAS DIAGNOSED. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THE BRAKES WERE REPLACED. THE DEALER DID NOT STATE WHY THE REAR BRAKES WERE WEARING PREMATURELY. THE CONTACT ALSO STATED IT WAS UNUSUAL FOR THE REAR BRAKES TO WEAR BEFORE THE FRONT BRAKES. THE FAILURE AND CURRENT MILEAGE WAS 11,400. UPDATED 05/24/11*LJ UPDATED 05/26/11

NHTSA #: 10399665
mediumSERVICE BRAKES, ELECTRIC,EQUIPMENT
Filed: Apr 2011

7-09 REAR BRAKE PADS FROZEN TO CARRIERS: CLEANED AND REPLACED PADS AT 11, 488 MILES. 10-09 REAR RIGHT WHEEL NOT SPINNING FREELY: CLEAN AND ADJUST REAR BRAKE ASSEMBLY AT 14,978 MILES. 3-11 BACK BRAKE ROTORS AND PADS NEEDED TO BE REPLACED AT 30,625 MILES. THERE IS SOMETHING WRONG WITH EITHER THE DESIGN OF THE BRAKE SYSTEM OR THE MATERIALS THAT ARE USED FOR THE BRAKE ASSEMBLY. I'VE DRIVEN CARS IN THE NEW ENGLAND AREA FOR 28 YEARS HAVING LIVED IN THE SAME AREA ALL 28 YEARS, AND HAVEN'T HAD THIS MUCH TROUBLE WITH THE CARS I'VE HAD. *TR

NHTSA #: 10396877
mediumSERVICE BRAKES, HYDRAULIC
Filed: Mar 2011

PREMATURE REAR BRAKE WEAR AT 22K ON OCT 2010 CAUSED FAILED SAFETY INSPECTION AT DEALER. INSIDE REAR BRAKE PADS RUBBING. REPLACED PADS AND CLEANED SLIDERS MYSELF AND PASSED INSPECTION. REAR BRAKE PADS HUNG AGAIN ON MAR 2011 CAUSING HOT WHEEL. I REPLACED THE SLIDERS WITH NEW AND FILED THE METAL TABS OF PADS AND USED ANTI-SEIZE COMPOUND TO PREVENT STICKING. IF THIS DOESN'T WORK I'LL CONTACT HYUNDAI FOR CALIPER FAILURE. *TR

NHTSA #: 10390583
mediumSERVICE BRAKES, HYDRAULIC
Filed: Feb 2011

TL*THE CONTACT OWNS A 2009 HYUNDAI SONATA. THE CONTACT STATED THAT WHEN THE VEHICLE WAS TAKEN TO THE LOCAL MECHANIC FOR ROUTINE MAINTENANCE HE STATED THAT THE PASSENGER REAR CALIPERS WERE STUCK AND UNABLE TO ROTATE DUE TO CORROSION CAUSING THE BRAKE PAD GUIDE TO FAIL. THE MECHANIC REPLACED THE BRAKE PAD GUIDE. THE MANUFACTURER FILED REPORT 4243771. THE FAILURE MILEAGE WAS 20,442 AND THE CURRENT MILEAGE WAS 20,618. UPDATED 3/14/11 *CN UPDATED 04/22/11

NHTSA #: 10382732
mediumSERVICE BRAKES, HYDRAULIC
Filed: Feb 2011

REAR BRAKE FAILURE ON A 2009 HYUNDAI SONATA. BRAKE SLIDES CLOG WITH DIRT OR RUST CAUSING THEM TO BECOME INOPERABLE. THEY EITHER GET STUCK IN THE APPLIED POSITION WHICH CAUSES THEM TO WEAR TO THE POINT OF METAL TO METAL CAUSING EXTREME HEAT AND POSSIBLE FIRE OR THEY STICK OPEN AND DO NOT ENGAGE WHEN APPLIED. *TR

NHTSA #: 10380844
mediumSERVICE BRAKES, HYDRAULIC
Filed: Dec 2010

TL*THE CONTACT OWNS A 2009 HYUNDAI SONATA. THE CONTACT STATED THAT AFTER TAKING HIS VEHICLE TO A CERTIFIED DEALER FOR REGULAR SERVICE, THEY INFORMED HIM THAT HIS REAR BRAKES WERE WORN DUE TO THE CALIBER SENSOR FAILING. WHEN THE CALIBER SENSOR FAILED, THE WHEELS WOULD LOCK UP IF NOT REPLACED. THE VEHICLE WAS REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 52,000. THE VIN WAS UNAVAILABLE.

NHTSA #: 10373262
mediumSERVICE BRAKES, HYDRAULIC
Filed: Nov 2010

2009 HYUNDAI SONATA REAR DRIVER SIDE BRAKE NOISE DUE TO THE "SLIDERS" ON THE CALIPER. I TOOK MY CAR TO THE DEALER (CAR HAS 35,000) TO PIN POINT NOISE. THEY TOLD ME THERE IS UNEVEN WEAR ON REAR BREAK PADS AND THAT THE SLIDERS ARE STICKING CAUSING THE PADS TO STAY COMPRESSED TO ROTOR. THEY OFFERED TO "LUBE" THEM FOR ME AND REPLACE PADS FOR OVER $200.00. THIS IS NOT NORMAL WEAR AND TEAR. *TR

NHTSA #: 10363895
mediumSERVICE BRAKES, HYDRAULIC
Filed: Aug 2010

RIGHT REAR BRAKE PADS FROZE IN THE PAD MOUNTING BRACKET AND WORE DOWN PREMATURELY CAUSING METAL TO METAL CONTACT BETWEEN THE BRAKE PAD BACKING PLATE AND THE BRAKE ROTOR. BOTH MY LOCAL DEALER (SURESKY HYUNDAI OF GOSHEN NY) AND HYUNDAI MOTOR COMPANY REFUSED TO REPAIR MY VEHICLE UNDER WARRANTY. THEY ASSERTED THAT "NORMAL MAINTENANCE ITEMS", SUCH AS BRAKE PADS AND ROTORS, WERE ONLY COVERED FOR 12 MONTHS/12,000 MILES. WITH ALL DUE RESPECT, BRAKE PADS SEIZING ON ONE WHEEL WHILE THE OTHER 3 WHEELS ARE FINE IS NOT A NORMAL MAINTENANCE EVENT! *TR

NHTSA #: 10347328
mediumSERVICE BRAKES, HYDRAULIC
Filed: Jul 2010

AFTER HAVING BRAKE PADS CHANGED. SMELLED BURNING SMELL WITH IN A MONTH AND BRAKE PADS WERE WORN DOWN. HAD PADS CHANGED AGAIN. NOW, MONTH LATER, SMELLED BURNING SMELL AGAIN LIKE THE PADS ARE STICKING. THERE IS SOMETHING WRONG WITH THESE BRAKES THAT THEY ARE STICKING LIKE THIS UNDER 50,000 MILES. *TR

NHTSA #: 10346340
mediumSERVICE BRAKES, HYDRAULIC
Filed: Jul 2010

TL*THE CONTACT OWNS A 2009 HYUNDAI SONATA. WHILE DRIVING 35 MPH THERE WAS A SQUEAKING AND GRINDING NOISE IN THE BRAKES. THE PIN THAT CONTROLS THE BRAKE PADS AND ROTORS BECAME WORN. THE PIN ALSO CONTROLLED THE MOVEMENT IN THE BRAKE CALIPERS AND WHEN IT DOES NOT MOVE IT DETERIORATES THE CALIPERS AND ROTORS. THE VEHICLE WAS TAKEN TO THE DEALER WHO STATED THAT SHE HAD TO REPLACE THE BRAKES AT HER EXPENSE SINCE THEY WERE NOT COVERED UNDER THE WARRANTY OR RECALL. THE MANUFACTURER WAS NOT CONTACTED. THE VIN WAS UNAVAILABLE. THE FAILURE AND CURRENT MILEAGES WERE 28,000.

NHTSA #: 10341585
mediumSERVICE BRAKES, HYDRAULIC,VEHICLE SPEED CONTROL
Filed: Jun 2010

TL*THE CONTACT OWNS A 2009 HYUNDAI SONATA. WHILE THE CONTACT WAS DRIVING APPROXIMATELY 35 MPH ENTERING ONTO A HIGHWAY INTO THE LEFT LANE, UNEXPECTEDLY THE VEHICLE INCREASED ACCELERATION AND THE BRAKES WOULD NOT FUNCTION WHEN ENGAGED. THE BRAKE PEDAL WAS APPLIED REPEATEDLY, FOLLOWED BY NO POWER RESPONSE. AFTER PLACING THE GEAR SELECTOR INTO THE NEUTRAL POSITION THE VEHICLE BEGAN TO REDUCE SPEED. THE VEHICLE WAS DRIVEN INTO A PARKING LOT AND THE GEAR WAS SHIFTED INTO THE PARK POSITION AND THE VEHICLE CAME TO A STOP. THE CONTACT WAS WAITING ON THE ROADSIDE ASSISTANCE FOR THE VEHICLE TO BE TOWED TO AN AUTHORIZED DEALER AT THE TIME OF THE COMPLAINT. THE FAILURE MILEAGE WAS 17,300.

NHTSA #: 10334435
mediumSERVICE BRAKES, HYDRAULIC
Filed: Apr 2010

TL* THE CONTACT OWNS A 2009 HYUNDAI SONATA. WHILE DRIVING AT A SPEEDS OF 20 MPH, THE REAR BRAKES FAILED CAUSING THE BRAKE PADS TO FRACTURE AND SEPARATE FROM THE VEHICLE. THE CALIPERS WERE RUBBING INTO THE ROTORS, CAUSING IT TO MAKE AN UNUSUAL GRINDING NOISE. THE FRONT BRAKES WERE NOT AFFECTED, ALLOWING THE CONTACT TO BRING THE VEHICLE TO A STOP. THE BRAKES AND ROTORS WERE REPLACED BY AN AUTHORIZED DEALER. THE FAILURE MILEAGE WAS 60,000.

NHTSA #: 10325714
mediumSERVICE BRAKES, HYDRAULIC
Filed: Mar 2010

MY 2009 HYUNDAI SONATA WITH 15000 MILES ON IT STARTED TO HAVE NOISY REAR BRAKES. I TOOK IT TO MY LOCAL HYUNDAI DEALER AND WAS TOLD THAT BECAUSE THIS HAD BEEN A RENTAL VEHICLE IT MAY HAVE SAT ON A LOT FOR AN EXTENDED PERIOD OF TIME AND THE "SLIDES" FROZE IN PLACE NOT ALLOWING THE BRAKES TO RELEASE RESULTING IN PREMATURE BRAKE AND ROTOR FAILURE. I BELIEVE THIS IS A LIFE/SAFETY ISSUE AND SHOULD BE A RECALL ISSUE. I DON'T THINK A VEHICLE SHOULD HAVE TO BE DRIVEN A MINIMUM NUMBER OF MILES TO PREVENT THE BRAKES FROM FAILING IN 15000 MILES. *TR

NHTSA #: 10320700
mediumSERVICE BRAKES, HYDRAULIC
Filed: Jun 2009

2008 HYUNDAI SONATA WITH UNDER 25,000 MILES ON IT ALREADY NEEDS A REAR BRAKE JOB. WAS TOLD BY OUR DEALER THAT IT IS NORMAL BECAUSE IT IS A FRONT WHEEL DRIVE. WAS TOLD HYUNDAI WILL NOT STAND BEHIND IT, HOWEVER, SOME DEALERS WILL FIX IT FOR NO CHARGE BECAUSE IT IS SO RIDICULOUS. THE DEALER WE BOUGHT THE CARS FROM WILL NOT. *TR

NHTSA #: 10274749

Other 2009 Hyundai Sonata Issues