Mystery hum ‘like a huge engine idling’ heard across US – and Americans think they know what’s to blame

A MYSTERIOUS hum has been heard across several US states, rattling locals who have been struggling to sleep. Residents have ...

Engine ticking issue now linked to several GM models

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 ...