Cold-start engine rattle from VTC actuator/timing components
ENGINE
6 NHTSA complaints · 2021-09 → 2025-09
“Rattling noise coming from engine when starting engine cold”
“At cold start up, the engine rattles loudly for about 2 seconds. This is intermittent and occurs on cold starts when the car has not been started for 6-8 hours”
“Has about a 3 second engine rattle on cold start up, believed to be a defective variable valve timing gear”