One problem related to engine knocking noise has been reported for the 2012 Hyundai Accent. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2012 Hyundai Accent based on all problems reported for the 2012 Accent.
At about 80,000 miles, the vehicle started making a loud and constant knocking sound in the engine. The Hyundai dealership service department determined that: "internal rods are making knocking sound - engine must be replaced. " this very loud knocking happens all the time whether the vehicle is stationary or moving. The vehicle is not safe to drive. This issue is identical to the 2015 recall of many other Hyundai vehicles from the same model year (I. E. Nhtsa campaign number: 15v568000). Hyundai denied this claim since the vehicle is out of warranty. Hyundai consumer affairs case#: 10847090.