General Motors has updated service bulletin PIP6101, which addresses an engine ticking noise caused by a manufacturing defect. The revised version, PIP6101A, now includes more 2025–2026 models ...

Manufacturing debris in these engines has been found inside the stationary hydraulic lash adjuster, preventing the adjuster from properly pumping oil. Without proper cooling and lubrication, the lash ...

A ticking sound under the hood is investigated, covering common causes like valve train noise, lifters, and engine issues during diagnosis. Hegseth rants and promises a new investigation into Mark ...