I am trying to find out how i am to access the heater core on this van so i can replace it. i have th part and need to access the heater core to change it out.Related Questions1989 Ford f150Why does my truck run rough1989 Ford E350 5.8 conversion vanhave just purchased a 1989 ford e250 conversion van. It has apparently been sitting for several years. The mileage is 59,000. It stops running after 5 miles. I have had it towed 4 times in the past 2 weeks. Each time, it only ran for…89 ford van 5.8engine oil going into cooling system. a lot of oil 7qts in about 120 miles.