If you are planning on keeping your truck for along time you might want to consider installing electric fans. I put some on my 02 Silverado 5.3, together with a larger radiator and a higher voltage alternator. It can idle all day in 95 degree Florida weather and not pass 200 degrees.
It’s right underneath the plate that holds the cable to the throttle body. You can see it in the picture it’s halfway underneath in the front on the intake manifold. It has a small 2” long hose attached to it, follow the plastic tube that’s attached to it. It goes to the left side valve cover where the Pcv is.