I had a new motor, radiator, water pump, etc put in my 2004 Dodge ram 1500 4.7 liter

What is your question?

My temp gauge is still going up like it's running hot when it's not when I had a new motor, radiator, water pump and etc replaced what could it be

What makes this problem better or worse?

Driving for about 30-40mins and just sitting

How long has your 2004 Dodge Ram 1500 had this problem?

For a few days