heat not working

I just had my thermostat and heater core replaced to fix a no heat issue. After driving around today I noticed that when I have the heat set to blow on my feet, it blows out of the defroster and not the feet. All other heat settings work as they should. Any ideas as to what would cause the heat...

Originally I was not getting any air unless I turned the ac on high, and was not getting any heat. I replaced the ac resistor and now getting air flow on all 4 levels. Still not getting any heat and now there is a clicking sound coming from behind the glove box where the blower is located. Any...

I feel like I have tried everything to get he fully functioning in this car and I still have come up with no answers we have replaced the thermostat, had a shop flushed out the heater core and no debris came out, coolant is filled, both heater hoses are correct temps, changed blower motor,played...