The National Highway Traffic Safety Administration (NHTSA) is investigating allegations that the subframe on the Hyundai Sonata can corrode to the point of causing the suspension to fail.
The Office of Defects Investigation (ODI) at NHTSA has received 40 consumer complaints about severe corrosion in the 1999 through 2002 model year Sonatas.
Consumers have reported “fist-sized holes in the frame” that can cause the suspension control arm to detach from the vehicle, according to federal safety investigators.
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