A damaged engine may stall, increasing the risk of a crash. In addition, oil may leak onto hot exhaust components, increasing the risk of a fire.

Engine

Date Announced

APR 28, 2021

Vehicles Affected

158,493

Hyundai Recall #

203

NHTSA Campaign #

21V301000

Summary

Hyundai Motor America (Hyundai) is recalling certain 2019-2020 Elantra, 2019-2021 Kona and Veloster vehicles equipped with 2.0L Nu MPI engines. The piston oil rings may not have been properly heat-treated, which could result in engine damage.

Actions

Dealers will inspect and, if necessary, replace the engine, free of charge. In addition, Hyundai will deploy Piston Ring Noise Sensing System (PNSS) software. Owner notification letters were mailed August 24, 2021. Owners may contact Hyundai customer service at 1-855-371-9460.

Documents (11)

• Miscellaneous Document - Amended Chronology
• Recall 573 Report - Amendment 1
• Interim Owner Notification Letter(Part 577)
• Defect Notice 573 Report
• Recall Acknowledgement
• Chronology
• Remedy Instructions and TSB
• Manufacturer Notices(to Dealers,etc)- HMA Recall 203 Nu 2.0L Atkinson Engine Inspection and Replacement - (TSB #21-01-054H-1) - Remedy Available v3, October 12, 2021
• ISSUED Owner Notification Letter(Part 577)
• Manufacturer Notices(to Dealers,etc) - 2.0 Nu MPI Engine Piston Oil Ring
• Recall Quarterly Report #2, 2021-4