Reverse cooling

Had never really thought about this, but your trying to put water in the top of the eng and force the air out the bottom.

So here is the fix
Get a vary long piece of leather strap and make it cross on the water pump aka turn water pump backward aka standard flow.
after you get the air out put standard belt on..........you are running a electric water pump.............. will it run backwards..........

How about installing a couple of valve so that you can switch the flow from standard flow and then switch back after you get all the air out...........