front brake caliper bolt sizes

Unfortunately they don't give the level of detail to know what size wrenches and sockets to use but it is going to be mostly, 10,13,15,18 mm sockets. Most all GM vehicles use these common sizes.

Here is a guide that will help with doing this repair:

https://www.2carpros.com/articles/how-to-replace-front-brake-pads-and-rotors-fwd

https://www.youtube.com/watch?v=w7gUsj2us0U

Also, below is the info from the manual on how to do this. Let us know if you have questions. Thanks