Why does my air conditioner blow cold air then warm air?

Why does my air conditioner blow cold air then warm air?

The culprits on the list that will cause this “blowing cold at first then blow warm air” include a dirty evaporator coil. You can clean likely clean it yourself, but I recommend letting a professional do it since it will likely require disassembly of components and their reassembly.

What should I do if my AC is blowing air but not cold?

If your AC is blowing air but still isn’t cold, ensure your unit is set to ‘cooling’ mode on the controller. Typically, this is indicated by a snowflake symbol or the words ‘cold’ or ‘cool’. If it’s already on this mode, check the temperature is low enough for the unit to know it needs to cool.

Why is my front a / C not working right?

Sounds to me like one of the air controls is stuck like you DID have the dual controls set. You will have to have the dealer un stick it. Sounds to me like one of the air controls is stuck like you DID have the dual controls set. You will have to have the dealer un stick it. Click to expand… That sounds like it.

Why does my front AC blow hot air?

Warm in front, cool in back. Please post any answers as I would like to know as well. a/c is working fine. sounds like the diverter door is remaining open allowing the fan to blow air through the heater core. this door is often controlled by engine vac or and electric door motor closing device. A good mech at the dealer should have found this.

Why is the rear AC warmer than the front?

When the rear ac is turned on only, the air isn’t that cold. But when the front ac is turned on, the rear ac is blowing colder air out the vents. That’s because the rear AC by itself can’t turn the compressor on… The front AC has to be on for the compressor to turn on….

Why is the front vents warm but the rear vents are cold?

The gauge showed that the system was low and I started to fill the system. The compressor clutch did turn on and the system is currently at 45psi (fill zone). Now, the rear vents is blowing cold air but the front vents is still blowing warm air.

How does the hot air blow in a GMC Yukon?

A small servo motor that turns hot and cold air valve in the heater box. I pulled the small flat motor off and noticed the shaft was jammed and would not turn when i moved the temperature selector knob from hot to cold.

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