(CNN) -- The National Highway Traffic Safety Administration announced Sunday that automaker Hyundai is recalling nearly 140,000 Sonata sedans.
The recall affects certain 2011-model year Sonatas, which were manufactured from December 2009 to September 2010, NHTSA said.
"On some of these vehicles the steering column intermediate shaft universal joint connections may have been either improperly assembled or insufficiently tightened," the agency said.
As a consequence, drivers could experience a reduction or loss of steering capability.
Hyundai dealers will inspect the affected parts and will update the power steering software for free, NHTSA said.
The recall, which is expected to start in October, could affect as many as 139,500 cars. 
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