GM Recalls 43,000 Chevrolet, GMC and Cadillac SUVs Over Rear-Wheel Lock-up Risk

General Motors is recalling more than 43,000 2022 Chevrolet, GMC and Cadillac SUVs to install updated transmission software.
GM Authority

Some 2026 GMC Sierra Units Need A Pressure Relief Valve Leak Fix

GM recently released a new Service Update for the 2026 GMC Sierra, highlighting a potential water intrusion issue affecting ...

Recall alert: 43K Tahoes, Suburbans, Escalades recalled over transmission control valves

General Motors is recalling more than 43,700 vehicles due to an issue with the transmission control valve. The National ...
IEEE

Design of a Motor Driven Variable Valve Actuator

Abstract: Variable valve technology can adjust valve timing and lift in real time according to actual working conditions. It is one of the effective methods to improve the performance of automobile ...

The Difference Between Variable Valve Timing (VVT) And Variable Valve Lift (VVL), Plus How They Work

Variable valve timing and variable valve lift may sound similar, but they're entirely different. Here are the differences between them and how they work.
GM Authority

Some 2026 Chevy Silverado Units Need A Pressure Relief Valve Leak Fix

General Motors has issued a new Service Update to address a potential water intrusion issue affecting certain units of the 2026 Chevy Silverado 1500 and HD.