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 ...
Engines are incredibly complex. They are made out of thousands of different parts, exposed to high temperatures, and have lots of moving parts. This leaves many potential pain points an engine can ...
When General Motors launched Active Fuel Management (AFM) and then, Dynamic Fuel Management (DFM), the idea was that the fuel consumption of truck and SUV owners could be improved by turning off ...
More info on the Dealer’s repair pursuant to SB N212353840 which states all 16 lifters must be replaced. After connecting with the Dealer’s General Manager (GM), the Service Manager went back to the ...