The heater core is located inside the same box as the evaporator.
Remove both heater hoses from the engine side of the firewall
remove both outside ends of the dash
remove all the trim you need to access the big black box under the passenger side of the dash
attached is a picture pretty much just have to look at see what trim panels need to be removed to gain access to it. The drain is located in the bottom of the box.
Saturday, August 11th, 2012 AT 3:20 AM