Why does my car air conditioner blow hot air then cold air?

Why does my car air conditioner blow hot air then cold air?

If your A/C flip-flops from hot to cold and back again, your expansion valve could be failing. The expansion valve distributes the proper amount of refrigerant to your evaporator. If the valve is blocked, the refrigerant flow could be restricted or could be too unrestricted. Your A/C blows warm air.

Why does my car AC blow cold air on one side?

If the car AC blows cold air on one side and hot on the other, there are a few different causes but it’s likely the blend door actuator, also known as the temperature blend door actuator or vent mode door actuator

What to do if your air conditioner is blowing cold air on one side?

If the air conditioning in your car is blowing hot air on one side and cold air on the other, there could be a simple fix like adjusting the temperature or it could be time to replace a part like the temperature blend door actuator.

How to diagnose blows cold one side, hot on other side?

So your first step in diagnosing a blows cold one side, hot on other side condition is to operate each temperature control to see which side changes temperature. The actuator that changes temperature is good, the actuator that doesn’t is bad. This test also proves out the HVAC controller.

Can a car vent blow cold one side and hot the other?

In a vehicle with dual temperature controls you may encounter a situation where the vent blows cold one side, hot on other side or vice versa.

Where does the a / C blow hot air and cold air?

Anyone else experience the A/C blowing hot air from the drivers side left vent and the left most center vent and cold air from passenger’s right most center vent and right vent? What model year? You may be low on refrigerant.

Why does my HVAC blow cold air and hot air?

Drivers changed air temperature far more often than they change the mode (defrost, floor heat, dash vents, etc.), so the temperature actuators generally fail first. When that happens, the HVAC system can be stuck on blows cold air or blows hot air. In a dual zone system, you wind up with a blows cold one side, hot on other side condition.

What’s the difference between hot air and cold air in a car?

’06 = While both driver & passenger side temps & fan speed are set the same, the drivers side blows hot air & the passenger side blows cold.