Why is my AC only blowing out the defrost vents?
Check the vacuum hose on the blend door and see if it has came off or broke. For the rear defroster, check the switch to the defroster and make sure that it has power to it and power coming out. If there is no power to the switch, then check the fuses and see if any of them are blown.
What would cause my AC unit to stop blowing cold air?
There are a couple of reasons for ice buildup in your AC — dirty coils or filters resulting in poor airflow, or a lack of refrigerant. If that doesn’t get the unit blowing cold air again, it could be refrigerant levels are low (see below).
How much does a blend door actuator cost?
The average cost ranges from $100 to $400 for an HVAC blend door actuator replacement in your vehicle.
Why does AC blow cool air through defroster vents?
No matter what setting it’s on, or speed, it all comes out the defrost vents. So if I turn the AC on it will eventually blow cool air through the defroster vents while I’m driving, if I come to a stand still the AC air coming through the defroster vents will not be as cool, more musty.
What kind of air conditioner blows cold air?
I have a 2003 Grand Cherokee Laredo. The air conditioner blows cold air but switches from front vent 2 floor 2 defrost vent simultaneously. None stay on very long they just keep switching back and forth. Do I need to get AC checked or what?
What to do when your air conditioner is not blowing?
Turn the air conditioner on or what ever is not working and pull line off and put your finger over it to see if it has vacuum if it does then reinstall line to see if vacuum motor will move the door. helpful?
What should I do if my rear defroster is blowing?
If there is no power to the switch, then check the fuses and see if any of them are blown. The rear defroster has a blend door that opens and closes that is electronically. If the fuse is blown, either the switch has failed or the blend door motor has failed.