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Why does ac and heater on 2000 f350 blow air through defrost when another position is selected ac clutch clicks and air still only blows through defrost?
You have vacuum line leaks somewhere.
Why 2005 Dodge stratus heater ac clima control blows hot air all the the time and when set to defrost it blows straight when set straight blows to the defrost?
You either have a bad controller or a bad actuator.........
Why my 98bonneville ac blows only through defrost but not through vents please help.i checked all fuses?
Because your battery terminals are rusty. Have your dad clean them, and then check it again.
2001 Chevy luminia car ac blower only blows on defrost why?
Faulty Function selector switch. Consider replacement.
2002 winsrtar lx ac started blowing only through defrost vents onlytried turn every know still only blows through defrost vent?
Check under the hood for a disconnected or damaged vacuum line. The controls are vacuum operated and if the vacuum supply is cut off the system defaults to defroster only.
What would cause high pressure in a 1997 Dodge Ram ac system It started cycling on and off when the heater was on during the winter It currently blows warm air?
The systems AC system will run when the defrost is turn on.The manufactor does this to remove humity from the air making it easier to defrost the windsheild.The AC system should only run when the defrost is on though.If you are experiecing a high pressure promblem when the AC is running it is pronbly due to a overcharge of refrigerant.
AC fan is blowing cold air out of windshield defrost when not on defrost?
does fan door motorized or on a vaccuum line when you switch from AC to defrost?
1998 Durango Vent controls stuck in defrost mode will not blow through dash any suggestions Ac works but only blows to front windshield and floor.?
Check for vacuum leak either under dash or hood Check for bad vacuum motor under dash Defrost is the default setting for this vehicle
Why does a 96 Contour blow the blower fuse when the selector is put in the defrost position any speed but not when on front vents?
Try unplugging your AC compressor and see if it still blows the fuse. When you turn on your defrosters you also turn on your AC.
What is wrong if air blows out of the defrost vents only on 99 dodge ram?
Loss of vacuum supply to the HVAC controller. The vacuum supply comes from the pass side of the engine and goes through the firewall next to the AC lines. It is a small black line.
Why does ac compressor fan turn on and off when only heat is on in the winter?
because it is going through defrost cycle
Your 99 ford windstar ac front panel only blows through defrost area no matter where you place the selector The selector for the rear of the vehicle works good What is the problem?
so far everyone points to actuator blender failure but check for vacuum leaks first
