The engine oil cooler on GM's 6.6-liter Duramax diesel keeps engine oil and coolant apart. When a Duramax oil cooler cracks, ...

A General Motors owner has filed a proposed federal class action alleging that continuously variable transmissions in certain Chevrolet Malibu, Trailblazer and Equinox vehicles and GMC Terrain ...

I can’t believe General Motors is actually doing it. There was a rumor more than two years ago that GM would stuff an 8.3-liter Duramax diesel into the Chevy Silverado HD and GMC Sierra HD, but at the ...

The arms race between heavy-duty pickup-truck makers is alive and well, even as much of the auto industry focuses on electrifying its lineups. Still, Detroit’s Big Three continue to push the limits of ...

Evan Williams is an automotive journalist and mechanical engineering technologist with more than a decade of experience in the industry. He has written for the Toronto Star and AutoTrader Canada and ...

All the codes above have been tested as working at the time of submission. However, codes with unknown expiry dates may stop working at any time. Spotted a new code we haven't included or tried one ...

General Motors is in the midst of a full-bore revitalization effort when it comes to its truck line these days. In the last few weeks, GM has been rolling out details about its new 2027 Chevrolet ...

The National Highway Traffic Safety Administration (NHTSA) has opened a new investigation into a potential safety issue affecting certain units of the GMC Sierra 1500 pickup. The investigation follows ...

When looking at the refreshed versions of the heavy-duty Chevrolet Silverado and GMC Sierra, we can’t help but think of the Fiat S76. Built in 1910, the S76 is better known as “The Beast of Turin.” It ...

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