NHTSA Complaint #11646173 — 2021 CHEVROLET SUBURBAN

Lifter failure. At 30,000 miles the engine had lifter failure and was diagnosed and repaired by Donaldson Chevrolet in Silsbee Texas. This was covered under the original manufacturer warranty. Lifter failed occurred again approximately 13 months later and at 63,000 miles. There was no initials warning lights prior to the failure. The failure was sudden. Loud ticking/ knocking sounds and loss of power. At ideal vehicle would severely shake. Check engine light did come at time of failure. Both times the failure occurred during acceleration from a stop to approximately 40mph.