Hyundai Sonata Hybrid owners have reported 1 problem related to engine rattling and whining sounds (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Hyundai Sonata Hybrid based on all problems reported for the Sonata Hybrid.
The contact owns a 2012 Hyundai Sonata Hybrid. While driving 70 mph, the vehicle made a loud rattling noise. The contact pulled over to the shoulder of the highway. The vehicle was towed to a dealer where it was determined that a piston rod blew out and the motor needed to be replaced. The manufacturer was made aware of the issue. The failure mileage was 68,000.
See
all problems of the 2012 Hyundai Sonata Hybrid
🔎.