how long does it take to damage a pump running it dry? 98 jimmy,report from grandson leaking near headlight,cant steer..he was going to drive home 5 miles ,but i told him not to do it...so anyway i plan a cooler bypass,so i can get it in my garage...thanks again...AND HAPPY NEW YEAR...TODAY IS MY LAST DAY OF WORK(for ever?)!!!!!!!!!!! ha.,., any suggestions on a after market cooler?