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2011 Hyundai SONATA Engine Problems, Complaints and Defects

Issue ID	1561081
Internal NHTSA #	11205169
Manufacurer	Hyundai Motor America
Brand	HYUNDAI
Model	SONATA
Model Year	2011
File date	04/09/18
Component	ENGINE
Product type code	VEHICLE
Description of the problem	After having the engine replaced under recall campaign 132 and 162, the engine oil cooler failed allowing hot motor oil to mix with engine coolant. This in turn caused most of the rubber piping to become distended, causing them to have to be replaced. Also, the radiator system needed to be flushed more than once because of the difficulty in vacating the motor oil from the system. My vehicle's water pump needed to be changed a few months later, due to it failing. A private mechanic stated that this was more than likely due to the hot motor oil mixing in the system, causing the seals on the water pump to fail. I reported this problem to the hyundai dealership, as well as hyundai corporate, and they both stated that this problem was not covered under the recall campaigns. I believe that the failure of the oil cooler and water pump is directly correlated with the replacement of the engine, and my private mechanic has stated the same. My vehicle was in motion on a highway when these parts failed, and if i continued without pulling over, it is highly likely that the engine would have caught fire or seized.
Vehicle Mileage at Failure	73000
Number of Occurences
Source of the issue	NHTSA WEB SITE
City and State	STATEN ISLAND, NY
VIN pattern	5NPEB4AC2BHXXXXXX
Was vehicle invloved in a crash?	N
Was vehicle involved in a fire?	N
Was incedent reported to police?	N
Was medical attention required?	N
Was part original equipment?
No. of injured persons
No. of fatalities
Date of purchase	07/08/26
Was original owner?	N
Anti-lock brakes	N
Cruise control	N
Number of cylinders
Drive train type
Transmission type
Vehicle speed	50
DoT tire identifier
Tire size
Location of tire code
Type of tire failure code
Was defective tire repaired?
Date of manufacture
Type of child seat code
Type of restraint
Dealer's name
Dealer's telephone number
Dealer's city
Dealer's state code
Dealer's ZIP code

What is Recall?
A recall is when a product is removed from the market or a correction is made to the product because it is either defective or potentially harmful.
What is Failure?
Failure is the state or condition of not meeting a desirable or intended objective, and may be viewed as the opposite of success. Product failure ranges from failure to sell the product to fracture of the product, in the worst cases leading to personal injury, the province of forensic engineering.
What is Defect?
Non-conformance of a car component with the specified requirements, or non-fulfillment of user expectations, including the safety aspects.

Last decoded VIN:

1FMEU15H3JLA46125 MMFFW18050C463908 WV1ZZZ2HZGA010621 WDC2923242A079939 KPTN0B1FSBP061580 NMTBE3BE80R082799 KMHTC6AD2FU239555 WDDTG5CB4JJ484503 JF1GDBKH34G039221 WBAJA7C57JWC75638 VF33CNF0UK8386270 KM8J3CA21GU099889

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2011 Hyundai SONATA Engine Problems, Complaints and Defects, Recalls and Failures

2011 Hyundai SONATA Engine Problems, Complaints and Defects

What is Recall?

What is Failure?

What is Defect?