The engine oil cooler on GM's 6.6-liter Duramax diesel keeps engine oil and coolant apart. When a Duramax oil cooler cracks, oil leaves the engine for the cooling system and the dipstick reads low. A ...

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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 ...

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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 ...

John Williams bought a new 2025 Chevrolet Equinox RS from a Sacramento dealer in October 2024 for $36,587.12. Around 7,000 miles, he says, the transmission started shifting roughly and responding late ...

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 ...

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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 ...