ok I'm new to the forum and sure this has been asked and answered many times but.... It's a 2003 EB with 168,000. It has the dual comfort heat/ac. The problem is when I need heat, there is no heat on driver side and luke warm heat on the passenger side. AC works great. After reading the forum I felt it was the blend door, but now think maybe it's the heater core.
Any ideas would be appreciated.
Thanks
I had issues with the rear heat in my 2001 expedition, it was barely warm and I also thought I had a blend door issue, but upon inspection the blend door worked fine.
It ended up being that the rear coolant lines and rear heater core were plugged up, a few months prior in the summer I tried fixing a rad leak with a sealer that's poured into the coolant.
It didn't fix my leak and it ended up costing me a coolant flush in order to clear up the lines and heater cores. I usually never try the "fix in a bottle" type stuff, I line doing things the right way I just thought I'd give it a shot, and re affirmed my belief in fixing things the right way.
I also threw in a high flow thermostat and new gasket, and now when I put the heat on molten magma pours from the vents lol.
It's a very bitterly long and cold winter up here, so you find out right away which vehicles have good heat, and Ford's reputation for heat is well known around here.
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