my 2002 galant is not putting out any heat. i have checked fuses, coolant level etc. it appears the heater control valve is not opening. the door opens as i have gone in the dash to verify it opens and closes. last year when i would switch the dash **** from cool to heat i would hear a buzzing sound on ocassion but it would throw heat. this time no noise no heat. i cannot find a schematic for the car. is the heater control valve operated by a relay and if so where is the relay and how could i check it with a meter? thanks

 

check your heater core for damages...

 

i had a car once with no heat, i replaced all the heater hoses, heater core, radiator hoses, radiator which was rotting and still no heat....air doors opened and closed but not all the way that was the problem...