Quality issues related to the 3.0L I6 LZ0 turbodiesel Duramax are drawing more and more attention online, and in response, GM has issued a new Service Bulletin.

General Motors has been using Duramax diesel engines in certain workhorse models for nearly a quarter century. The 6.6-liter V8 version which powers Chevy Silverado 2500/3500HD and GMC Sierra Heavy ...

Ford has PowerStroke, Ram trucks have Cummins engines, and General Motors has Duramax diesel engines. All three vie for torque and diesel market supremacy — Duramax, however, doesn't always feature in ...

Most diesel truck owners understand how to put diesel exhaust fluid (DEF) in their trucks. However, some make the mistake of getting DEF in their fuel tank instead of the dedicated DEF tank. As the ...