Diesel engines like the 3.0L Duramax require special maintenance, including the use of DEF, or Diesel Exhaust Fluid. Now, GM ...

GM has filed a patent application a variable displacement valvetrain system with rocker shaft porting and insert sleeves for ...

Imagine producing an engine so poor that it's led to over 600,000 vehicles being recalled and has been responsible for a dozen crashes and injuries, and you'll be in GM's shoes. That's the unfortunate ...

What's the biggest difference between General Motors' 5.3-liter and 6.2-liter V8s? 0.9 liters. Goodnight! Alright, 5.3s and 6.2s contrast more than that, and quite a bit, too. There's plenty to ...

GM recalls nearly 600,000 vehicles for L87 V8 engine failures after 1,000+ complaints. Multiple lawsuits now consolidated and the class action lawsuit is set to begin; plaintiffs claim GM's repair ...

11 lawsuits over GM’s 6.2L L87 V8 have been consolidated into a single class action, centered on engine failures tied to crankshaft and connecting-rod defects. More than 700,000 GM trucks and SUVs ...

However, it was clear this flawed engine design was not going to do the heavy lifting for GM going forward. The oil crisis had sparked critical GM vehicle downsizing programs, such as the compact ...

The next-generation small block is just around the corner, apparently. Expected to debut for the 2027 model year in light-duty pickup trucks and the C8-generation Corvette, said engine family could ...

The National Highway Traffic Safety Administration (NHTSA) is to investigate the rampant engine failures in General Motors vehicles in 2025 affecting certain models of Chevrolet, Cadillac, and GMC.

After its own investigation, GM initially recalled 721,000 SUVs and trucks with 6.2L V8 gas engines. But NHTSA started getting complaints about engines outside the recall. The National Highway Traffic ...