car heater blowing cold air at idle

HEATER BLOWS HOT AT IDLE COLD WHEN DRIVING DEMONSTRATED ON DODGEIf you have a car that blow warm hot air at idle but when you start driving down the highway. -The air conditioning is on-The car has been in an accident-The car has been in a hot car-The car has been used in a chemical or nuclear plant-The car has been in a hot.

Air Conditioner Only Works When Driving What Could Be Wrong

Up to 8 cash back When I make a stop like in traffic then it starts to blow cold air My car has 197000 miles.

. Allow the engine to idle until all. You may have trapped air in the cooling system or the heater core may be partially plugged up. Freon is an important part when we turn on the AC.

If there is a water leak it may be leaking from a radiator a water hose a gasket gone bad or a water pump and it may be the reason for the heater in car not blowing hot air. Only show this user. Joined Mar 26 2008.

If the heater is still blowing cold air it could be because of other issues. My problem is that the blower will only blow cold air but when you apply gas and rev up the engine the air will. Sometimes the cars heating system works perfectly but it still blows cold air.

Once back up to speed hot air starts blowing again. I have a 2001 Chevy Impala I had the problem with cold air blowing at idle. The fan stays running and the heat position lowerupper.

I took off the radiator cap and filled the radiator to the top and got rid of the air bubble. 2002 Jeep Liberty. When the level is lower than the acceptable level you will face the problem of the car air conditioner not.

Engine coolant is delivered to the heater core through two. My car has an automatic transmission. Jump to Latest Follow 1 - 20 of 20 Posts.

Cold air blowing out the heater when on idle. When the car is first started and warms up the heat should begin to blow warm air. When it does not close all the way the water or antifreeze stays cold and does not.

Turn on the car and let it idle. 7 Dec 18 2008. Low level of Freon.

If your car heater is blowing cold air it could indicate that theres a problem with your cooling system heater core heating valves or blower fan. It could also be your thermostat. In stop-and-go traffic or at idle the fan just blows cold air.

Replace all worn and suspicious-looking hoses or have them replaced make sure all clamps are tight and check for leaks when you are done. Discussion Starter 1 Dec 21 2011. Okay my car is blowing.

HEATER BLOWS COLD WHEN DRIVING THE CAR HOT WHEN IDLESIf you car heater starts blowing cool or cold air when you drive you car on the highway in cold weather. Loosen the upper radiator hose clamp and slip a small flat bladed screwdriver in between the radiator hose and the hose neck on the radiator.

How To Diagnose A Broken Car Heater Yourmechanic Advice