General Motors has updated service bulletin PIP6101, which addresses an engine ticking noise caused by a manufacturing defect ...

Back in 1983, I inherited my grandfather's 1973 Buick Apollo, equipped with a low-mileage Buick 350 V8 engine. The car is mostly stored, but I start it up and exercise it every few years. The last ...

Hot Shot’s Secret launches Tick Fix + Protect, an oil enhancer designed to address lifter tick and valvetrain noise.

Back in 2021, a class action lawsuit was filed against General Motors over valve lifter-related issues in certain Cadillac, Chevy and GMC models outfitted with certain V8 gasoline engines. That ...

Engines are incredibly complex. They are made out of thousands of different parts, exposed to high temperatures, and have lots of moving parts. This leaves many potential pain points an engine can ...

Engine noise makes us more nervous than any other automotive sound because noise can mean expense and inconvenience. And, sometimes engine noise is nothing more than a normal dynamic of the engine's ...

Mechanical lifters were once commonplace in internal combustions engines, but they've been mostly replaced by hydraulic lifters, which offer a lot of benefits.

When General Motors launched Active Fuel Management (AFM) and then, Dynamic Fuel Management (DFM), the idea was that the fuel consumption of truck and SUV owners could be improved by turning off ...