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Federal judge denies motion to split GM lifter lawsuit over AFM/DFM, keeping Silverado and Sierra V8 class action intact

A federal judge has handed General Motors a key procedural victory in the long-running GM lifter lawsuit, denying a late-stage effort by plaintiffs to split the case into two separate legal battles.
GM Authority

GM Engine Valve Lifter Lawsuit Plaintiffs Denied Motion To Sever By Judge

CarComplaints reports that a federal judge just handed GM a significant procedural win in the long-running engine lifter class action, denying the plaintiffs’ motion to sever the case into two ...
SlashGear

What Does An AFM Disabler Do And Does It Cause Engine Problems?

General Motors's Active Fuel Management (AFM) technology utilizes hydraulic valves, solenoids, and advanced software to shut down half of the cylinders in a V8 or V6 engine to save fuel. The system ...
Jalopnik

What Is Active Fuel Management (AFM) And Why Can It Cause Lifter Noise?

We may receive a commission on purchases made from links. Imagine you could get all the brawny output of a robust V8 engine in your truck when needed, but also get improved fuel efficiency while ...
Motor Authority

GM reportedly discontinues LS7 V-8 crate engine

General Motors has discontinued the Chevrolet LS7 crate motor, according to a recent report from Road & Track. Part of Chevrolet's prolific series of Gen III small-block V-8 engines, the naturally ...