General Motors has updated service bulletin PIP6101, which addresses an engine ticking noise caused by a manufacturing defect ...

Chevrolet vehicles can be hit-or-miss with their design problems. This has led to a number of models sporting problematic engines that you should avoid.

2021 denali w 6.2L. about to run out of powertrain warranty. Have not had the lifter problem yet… but VERY concerned based on multiple dealership and forum reports. Technicians are being muffled on ...

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 ...

The biggest difference between L86s and L87s is that L86s have occasional complaints and 28,000 L87 failures happened before GM recalled 600,000 trucks in the U.S. alone. The 2014-2018 L86 and ...

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 ...