2002 Nissan Sentra "heater blow cold air 2005" Questions

...overheats and heater blows hot air in park but when put in drive it blows cold air have repalce the thermostat Might try a reverse flush of the cooling system. Might reverse flush the heater core

...heater still blows cold air . you may have a problem with heater box. your air/mix door may have an issue. feel the knobs on the control unit. if the cold/heat know feels kinda funny from the other ...

...cold with heater select switch dialed up to HOT. Temp difference on heater supply/return hoses shows heat exchange is occurring but car interior remains cold. Antifreeze level in radiator and ...

...heater hoses cold. Changed thermostat - didn't fix it. Coolant not leaking or dirty. None in oil - no oil in radiator. Changed worn water pump belt - pump spins freely with no noise or resistance. ...

...heater hoses cold. Changed thermostat - didn't fix it. Coolant not leaking or dirty. None in oil - no oil in radiator. Changed worn water pump belt - pump spins freely with no noise or resistance. ...

...cold air from heater. Replaced Thermostat. Still blows cold air. will try to help. is your radiator full of fluid? sometimes there will be an air lock, or [air in hoses] with the engine running at ...

...cold air on all settings. I have already changed the termostate and I am getting ready to change the waterpump. I have heard what everyone has to say and it seems that everyone is saying it is the ...

...heater is not working in the car it is blowing out cold air & i left the car runnng for about 45 min. even took it up and down the road.still cold air.what do you think i need to do?????????? ) ...

heater blowing cold air 2005 nissan sentra blowing cold air. No leaks on floorboard, coolant level is ok and is clean, the air seems to have no heat at all in it. No indication of air pockets in ...