GM has issued a Special Coverage bulletin for certain units of the 2023 GMC Sierra 1500 to address a potential issue with the engine coolant control valve.

I think it’s a small problem but I’ve never had it before. It’s an old radiator and the air valve won’t screw in at all. Nothing wrong with the valve. I’m assuming the thread is shot. What can be done ...

When you think about it, there are quite a few different things that we run into when we look closely at an installed radiator. Frequently overlooked, that thing can make a big difference in the ...