i have a 2000 accord 4 cylinder..and a few weeks ago my car was overheating so i replaced the radiator and everything worked good had heat and all..then last week i moved the climate control to blow cold air and when i moved it back to heat it kept blowing cool air no heat..so i went to replace the thermostat, let it run for about 20min all the fans kick on good and gauge is at normal temp. but it only blows cool air...anyone can please get me on what to do?

thanks

 

Possible air in the system or heater control valve stuck/blocked.

 

Heater Valve by the firewall is gotta be stuck closed.

 

Same thing happened to me. The heater valve cable (or whatever it's called) just came loose. I reconnected it and everything was perfect again

 

Ill check it out...if I remove the heater control valve...can I just clean it out or just buy a new one?

 

seems like heater valves on accords do this alot. my 94 h22a accord has same prob

 

Do you have "auto" HVAC in this Accord....meaning you can set the temp - like your house - and the system will work to that temp.