Redding, California, Honda driver hears engine kiss of death. But mechanic delivers good news: ‘a simple issue’

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.

The Honda timing belt tensioner knock

He then explains: “Pretty common issue, guys. We see these tensioners for the timing belt actually will leak all the hydraulic fluid out of them, and the timing belt tensioner will sit there and bounce and knock, knock, knock.” According to the mechanic, the sound can easily fool drivers into thinking the engine itself is failing.

“It’ll sound like an internal knock,” he says. “Some people think, oh, man, I need an engine or whatever. Really not the case,” he continues. “Probably just a simple time belt job.”

The mechanic adds that the shop regularly encounters this problem on certain Honda models and reassures viewers that the repair is typically manageable. “I mean, it’s a simple issue. These are great cars. Highly recommend these cars,” he says in the post.

The issue described in the video aligns with reports from mechanics and Honda owners discussing hydraulic timing belt tensioner failures, particularly on Honda V6 engines. Automotive repair sources note that worn or leaking tensioners can create rattling, ticking, or knocking sounds that resemble internal engine damage.

Honda owners in online forums have similarly described knocking or diesel-like rattling noises that later turned out to be worn timing belt tensioners rather than failed engines.

The problem is especially important because many Honda V6 engines are “interference engines,” meaning a failed timing belt or tensioner can eventually allow internal engine components to collide if left unaddressed. Repair guides warn that ignoring the noise could potentially lead to catastrophic engine damage later on.

Still, the mechanic’s main point stands: The initial knocking sound itself does not automatically mean the engine is destroyed.

An issue for other brands, too

Viewers responded to the TikTok by comparing the Honda flaw to similar failures in other brands. One commenter wrote, “Land Rover has the same issue but not a simple job.” Indeed, timing chain and timing belt tensioner problems are not unique to Honda vehicles. Land Rover owners have also reported tensioner-related rattles and knocking noises online. But repairs on those vehicles are often more labor-intensive and costly due to tighter engine bays.

Mechanics urge drivers to diagnose unfamiliar engine noises. While some knocks may stem from relatively straightforward repairs, such as a timing belt service, others can still indicate severe internal wear. But not every knocking sound is “the kiss of death” for an engine.