Help my thermoquad lost its balls

Just a wild starter, what is it off of, and do you have a service manual. You can download many over at MyMopar.com

And........

https://www.google.com/search?newwi...biw=1067&bih=498&dpr=1.5#imgrc=4Y7c4Lhdm9kf6M
The check for the pump squirter should be a long needle like a needle and seat. Maybe some corrosion, and the balls are supposed to be plugging dead end passages?