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 ...
You may know the history behind the Duramax diesel brand. However, you may not know that Detroit Diesel shares a similar story, as the company was originally known as the General Motors Diesel ...
No fewer than 461,839 full-size trucks and sport utility vehicles equipped with Duramax turbo diesel engines may experience rear-wheel lockup from transmission valve failure. Recalled vehicles were ...
As GM Authority has obsessively covered in the past, the refreshed 2025 GMC Yukon is poised to introduce a wealth of updates and changes over the preceding 2024 model year. Among these will be a ...
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