One problem related to engine noise has been reported for the 2009 Hyundai Sonata. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 Hyundai Sonata based on all problems reported for the 2009 Sonata.
The contact owns a 2009 Hyundai Sonata. While driving approximately 5 mph he heard a squealing noise in the front of the vehicle. The failure had been on going since 2009. The contact stated that the failure only happened when it was turned on for the first time each day and then began to function normally. The vehicle was taken to the dealer who test drove the vehicle and was unable to duplicate the failure. The vehicle was not repaired. The failure mileage was unknown and the current mileage was 20,000.