The failure is so much worse than the lifters. There is a systemic failure at GM right now where they are ignoring these problems, and have been, since the AFM/DOD system first debuted in 2007. It is ...

If your car has Active Fuel Management, you've probably already considered disabling it. But are AFM disablers even safe and ...

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.

My 2018 Silverado Z-71 LTZ 6.2 L with 170,000 miles is beginning to have lifter issues in cylinder number 4. I was originally told by the dealer that it was the exhaust manifold gasket. I won several ...