A new class action lawsuit against General Motors claims the auto manufacturer hid a defect in its oil coolers for 2024-2026 truck models and is refusing to cover resulting engine damage under ...

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

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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 ...

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 ...

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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 ...

For most owners, General Motors' fix for a V8 that can chew through its own bearings came down to an oil change. It was a very particular oil change: 0W-40 instead of the factory 0W-20, a new oil fill ...

GM is rolling out another over-the-air software update for the current-generation GMC Sierra and Chevy Silverado, bringing audio enhancements and display fixes.