Typhoon #1133 said:It is not hard to change at all. just takes a little time. First time it took me 2 1/2 hours. Just follow these directions and you will be fine. Just try not to spill the rest of the coolant in the heater core all over the carpet. Goodluck
http://www.sytyarchives.com/howto/viewarticle.php?article_name=heater_core.php&dir=climate_controls