GM Authority

Everything To Know About DEF With The GM Duramax 3.0L LZ0 Engine

Diesel engines like the 3.0L Duramax require special maintenance, including the use of DEF, or Diesel Exhaust Fluid. Now, GM ...
Assembly Mag

GM Plans Longer Than Usual Holiday Closures at Multiple Plants

General Motors is quietly shutting down multiple plants for extended periods over the holiday season, with the Flint Assembly plant in Michigan closing from December 24 to January 26, 2026. This plant ...
GM Authority

Here’s How The Next-Gen 2027 Chevy Silverado Will Look

GM Authority has been following the development of the next-generation 2027 Chevy Silverado 1500 for quite some time now, bringing you exclusive details about the truck’s platform, launch timing, ...
Carscoops

Why GM Is Quietly Shutting Multiple Plants For Over A Month

General Motors will temporarily shut down its Flint Assembly plant in Michigan for over a month during the Christmas and New Year holiday period, but the reason isn’t what you might expect. Rather ...