old guy wrote:
when my pump won't suck I have a funnel I put into the tube, and pour antifreeze into the funnel, my wife goes around to all the faucets , shower and toilet and outside shower. works for us
.....that's what I do to start it. Fill the clear plastic suction tube with pink, then shove it into the container of pink, and it will suck.
"prime the pump"
ps, to make it easy to prime that small line, I have a plastic squeeze bottle that was for ketchup or mustard. Has a skinny spout that will fit into the end of the clear hose to prime the pump.