What Is a Spun Bearing? One of the most common causes of rod knock is a spun bearing where the bearing literally spins in the end of the rod so that it has become out of position.

Per Big Bear Engine Company, “Many spun rod inserts cause catastrophic damage—as in the block and crankshaft are damaged beyond repair.” The GMC spun bearing issue In a September 2024 post ...

A new lawsuit filed against General Motors calls the automaker's recall of the 6.2L V8 L87 engine "woefully inadequate" in ...

However, high rpm, engine overrev (where the piston and valves make contact), and spun rod bearings can lead to their demise as well.

In that scenario, Honda says “the connecting rod bearing can prematurely wear and seize.” This is known as a spun bearing, which can cause terminal engine damage.

"He had several spun bearings and scoured rod journals. If detonation was the cause, I'd have seen damage concentrated on the side of the rod bearing that's closest to the piston.

In this case, the owner speculates it might’ve been a spun rod bearing. It certainly sounds like it has some sort of rod knock before it comes to a stop in the video.

It's so bad that Eric can't even remove the bearing to inspect it. Even more eye-opening than the failed crank bearing are the rod bearings. While none of them failed, they were all heavily worn.

The government has opened an investigation into roughly 878,000 GM full-size trucks and SUVs. The models are equipped with a 6.2-liter V8 engine that may seize due to bearing failure. 39 incidents ...

2024 Volkswagen Atlas and Atlas Cross Sport crossovers could be affected by a connecting rod bearing problem, which would lead to catastrophic engine damage. The recall notes there are only 2,018 ...