A federal judge has handed General Motors a key procedural victory in the long-running GM lifter lawsuit, denying a ...
Judge denies motion to sever GM lifter lawsuit, keeping AFM and DFM claims together after four-year delay. Plaintiffs face an ...
A few days ago, we published a report highlighting the valve lifter issues some General Motors customers were experiencing in certain vehicles equipped with either its 5.3L V8 L84 gasoline engine or 6 ...
The engines of yesteryear were pretty simple, with tappets clackity-clacking away on cam lobes, opening valves, and making a ruckus while doing it. Mechanical lifters were adequate for valve operation ...