Bruce, I added the engine cooling part of the service manual to the bottom of this page. It will tell you all you wanted to know about how to diagnose and repair your cooling system. Hope this helps, good luck.
We have a chance to guarantee our right to repair electronic
equipment—like smartphones, computers, and even farm equipment. This is a once-in-a-generation
chance to protect local repair jobs—the corner mom-and-pop repair shops that
keep getting squeezed out by manufacturers.
Join the cause and tell your state representative to support Right to Repair. Tell them you believe repair should be fair, affordable, and accessible. Stand up for your right to repair!