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Well I replaced the controller in the dash and now I can get all the vent settings to work.
The cable for the blend door is acting weird, if I turn it 3/4 of the way to heat air comes out of the vents, if I go past that you hear the blend door slam shut and nothing comes out of any of the vents. Still no heat, but the top radiator and both heater hoses get hot to where u can touch them. So I'm thinking T-stat?
Can or can't touch the heater hoses? They should be very HOT with the inlet hose hotter than the outlet.
On the cable, is it moving with the door? Or is the door just slamming on it's own?
Sorry about that, can't touch it and it slams shut with the cable, doesn't matter if you do it by hand or with the ****. It gets so far and I then just slams shut, you can hear it.
The blend door should be able to go from full hot to full cold and stay where you put it, not have it slam. It sounds like a linkage problem. There should not be much play in the system.