A teardown of a catastrophically failed Nissan Frontier VQ38 engine recently made the rounds online, raising fresh questions about the engine’s internal water pump. Did Nissan introduce a major weak point with its new 3.8-liter V6, or was this simply an isolated failure? After reviewing the I Do Cars teardown and comparing it with owner reports, the answer appears to be somewhere in the middle. With that, it’s important to point out that the VQ38’s internal water pump isn’t proving to be a widespread failure point. The real story is that when it does fail, it’s far more expensive to repair […] (read full article...)