The latest in the Sub lifter failure saga: I picked up the Sub at the dealership on 6-13-23. Had a long talk with the GM, SM and Chief Mechanic, who did the work. He was very experienced and seemed to ...

Here is where my Sub lifter repairs stand now: The dealer GM and SM met with GM representatives. GM authorized warranty repair to replace all 16 lifters. This is the second replacement of all lifters.