NHTSA Complaint #11468176 — 2017 CHEVROLET SUBURBAN

Lifter and cam shaft failure in 2017 Suburban at 87,000 miles. Vehicle was purchased new and well maintained when engine knocking or clicking started. What component or system failed or malfunctioned, and is it available for inspection upon request? Camshaft, lifters, pistons How was your safety or the safety of others put at risk? Had failure not been detected I could have been stranded or lost engine power in situation that created a collision and injury. Has the problem been reproduced or confirmed by a dealer or independent service center? Yes, diagnosed at Chevrolet dealer on February 8, 2022 and repaired June 2, 2022 Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? Dealer inspection, diagnosis and repair Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? Engine begin clicking or knocking late January 2022, took to dealer and they diagnosed bad lifters, camshaft failure and piston failure. New engine took 4 months to acquire and install, was told by dealer there are 1400+ Suburban waiting on new engines for related issues.