Thanks for the suggestions so far,
I'm with you 100% about what was wrong before it was parked and the water has done it no favors.
I guess i was hoping i could figure out where to look. The pump, MCV valve, some thing in the steering pedestal. I just don't know.
I will look at the case ih parts site. I didn't know that was out there and accessible to any one. Thank you !
He was working on the tractor this morning and now thinks the chattering is coming manifold that's located under the starter.
Thanks