General Motors has released a new Preliminary Information Service Bulletin to address a potential top-end engine ticking noise that may affect certain units of the Chevy Silverado 1500, Chevy Colorado ...

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 ...

General Motors has quietly issued a fix for Chevy Blazer owners who may be hearing an unwelcome percussion sound coming from under the hood. The Detroit automaker released an updated Preliminary ...