As most car owners know, a knocking sound coming from under the hood is often treated as the automotive equivalent of a death sentence. In many cases, it means severe internal engine damage such as worn rod bearings, piston failure, or other costly mechanical issues that may ultimately require an engine rebuild or full replacement.
But according to a viral TikTok from Quality Auto Repair Redding @qualityautorepairedding), that frightening sound is not always catastrophic, especially for some Honda V6 engines. In the video, a mechanic explains that a common timing belt tensioner issue can mimic the sound of a failing engine.
