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2004 Sierra Blowing Cold Air On Both Sides


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2004 Sierra Blowing Cold Air On Both Sides. When a car’s ac system blows cold air on one side and hot air on the other, it usually indicates an issue with the blend door system. This issue often stems from a faulty blend door actuator that controls airflow temperature on each side.

Car Ac Blows Cold Air When Idle And Warm Air When Moving!
Car Ac Blows Cold Air When Idle And Warm Air When Moving! from psychoautos.com

Mines was the driver side blowing heat while the passenger side got cold air. If the air from the vents in your car is cold on one side and warm on the other side when the a/c is on, it is commonly caused by one of the following reasons: When your ac blows cold air on the driver side but hot on the passenger side, the problem is often traced back to a faulty blend door.

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Car Ac Blows Cold Air When Idle And Warm Air When Moving!

When a car’s ac system blows cold air on one side and hot air on the other, it usually indicates an issue with the blend door system. I noticed that the drivers side would blow cold air when the ignition is first turned on, then after about 10 seconds would go to hot. It seems to be fine until it gets very hot and humid out then that's when the drivers side loses the cool. Either the blend door motor has gone bad for the driver side or it's low on freon.

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