2008 - 2011 Ford Focus, Replace PCV valve, Remove Intake Manifold

I have a 2008 Ford Focus. 2008 - 2011 Ford Focuses have the same Duratec 2.0L, 4-cylinder engine. I wanted to change the PCV valve, which means removing the intake manifold. Here, I give you some tips and tricks that I used to make this process easier.