help with my heater!!!

[Chris]

So I spent a few hours last night trying to get the heater to work in the E30. I'll try and keep this short, any help would be greatly appreciated as driving on the track with no heat in February is going to be painful!!


blower fan works only on highest speed (not a big deal for now)

I pulled a heater valve and heater core from a junk yard car the other weekend. A common problem is the coolant hoses (inlet and outlet) from the engine bay through the firewall can be reversed- I checked and the top hose goes to the back of the head, which I believe is correct.

I pulled out and swapped the heater valve from the junk yard car, since I read the heater valve can fail. It blows a little hot air, but almost all of the air blows COLD from the large hole that is left from where I pulled out the a/c condenser. I don't get it...

My next step might be to replace the heater core, but I don't understand why air is blowing out of where the a/c condenser was. Could it be something unrelated to the heating components, or maybe the thermostat??

thanks in advance!