Photo of Hyundai Sonata courtesy of Hyundai.

Photo of Hyundai Sonata courtesy of Hyundai.

Hyundai Motor America is recalling 470,000 2011-2012 model-year Sonata sedans equipped with either a 2.0L or 2.4L Gasoline Direct injection engine, the National Highway Traffic Safety Administration said.

The vehicles are at risk for engine failure that can lead to stalling. They were manufactured from Dec. 11, 2009, to April 12, 2012, at Hyundai Motor Manufacturing Alabama.

In these vehicles, metallic debris may not have been fully removed during manufacturing of the engine crankshaft, NHTSA said. As a result, oil flow may be restricted through the connecting rod bearings, which might cause damage. A worn connecting rod bearing will produce a metallic, cyclic knocking noise from the engine and possible engine failure.

Hyundai dealers will inspect the vehicles and replace the engine assembly, as necessary, free of charge. Additionally, Hyundai Motor America will increase the warranty for the engine sub-assembly (short block) to 10 years/120,000 miles for both original and subsequent owners of qualifying 2011 and 2012 Sonatas manufactured at Hyundai Motor Manufacturing Alabama. The warranty extension applies only to vehicles equipped with 2.0L or 2.4L Gasoline Direct injection engines.

An interim notification will be mailed by Nov. 2. A second notification will be mailed when remedy parts are available. Vehicle owners can reach Hyundai customer service at (855) 671-3059 or by visiting www.HyundaiUSA.com/Campaign132. 

Hyundai's number for this recall is 132.

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