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the problem is when the baffles move from heat to ac and vent to defrost they either get stuck or the controllerr is bo. this system is built to fail safe in the defrost mode. Thus ac comes from Defrost vents. Apparently it is wide spred with Ford and Chev. As it is in my 2001 Ford F-350, My opinion To much Matel Toy company plastic and cheep parts we pay considerable money for from the dealers. 1) check your controller at the dash probably vacume 2) check the acutator at the butterfly flapper. Some vehicles are easier than others.....
What else can I help you with?
Why does a 2001 ford windstar die when i turn the ac or the defrost on?
check the alternater Something to do with your electrical in your vehical so i think you should get that checked out right away or just don't use your ac or defrost and your vehical should be ok..
Ac on peugeot 307 comes on when start car how do you turn off?
If you have the defroster on, the ac comes on automatically.
Blows out cold air threw defroster but not the ac vents?
Check for vacuum leak either under hood or under dash Check for bad vacuum actuator under dash Defrost is the default setting
How do you recharge the ac of a 1998 Acura?
Buy a kit at Wal-Mart or auto parts comes with instructions
What could the problem be on 1988 Ford Aerostar when AC blows air out dash vents and floor but heater and defrost do not blow any air at all?
A vacuum leak, or one of the doors is sticking/bad vacuum motor in the heater box.
Why does the AC sysmbol light come on when the heat is turned on and set to defrost-vent and will not turn off even when shut off button is hit?
DO NOT FEAR THIS !!! The ac comes on with the defrost: because do you ever use your ac in the winter? me neither. Manufactures have made the ac come on with the defrost to prevent the ac compressor from seizing up. Since we never use them in winter, at least in cold climates. Cheers and drive on.
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?
What would cause the ac to blow only through the defrost on a f250 ford diesel?
vacuum leak. look at the vac pump under the hood on the pass side and check the hoses for dry rot or cracks
Where can you find a wiring diagram for a ford F250 ac system?
It is important to have a working AC system in a car. A wiring diagram for an F250 AC system can be found in the cars maintenance manual.
What is wrong with your 93 corsica when you crank your car your fan automatically comes on?
cooling fan relay short or bypassed or defrost or ac selector on
Should ac compressor stay on when heater control moved to defrost in a 2000 durango?
Yes, the ac will run in the defrost position to dry the windshield.
What causes air to come out of your defrost vents when the ac is on in a 1995 gmc vandura?
In a 1995 GMC Vandura, air coming out of the defrost vents when the AC is on is typically due to the vehicle's HVAC system design, which prioritizes defrosting to prevent windshield fogging. When the AC is activated, the system may redirect airflow to the defrost setting to help remove moisture from the air. Additionally, a malfunctioning blend door actuator or vacuum leak in the HVAC system could also cause improper airflow distribution. Regular maintenance can help ensure the system operates correctly.
The AC only comes out the defrost and out the Bottom.How can I make it come out the vents?
There is most likely a vacuum leak on the line from the engine to the air conditioner control.
Why does Ac on 99 F250 does not blow cold unless over 2000rpms?
recharge ac
Why does the car turn off when the defrost is on?
If it has AC assist and the compressor is shot, cut the belt or disconnect the defrost from the compressor.
Why would a 95 Ford Explorer AC cyle on and off when the switch is in defrost or heater position?
On my 1995 Ford Explorer when the defrost position is selected , and the temperature knob is set in the red area to get heated air to defrost the windshield , the A/C compressor will cycle on and off to help dehumidify the air, but the compressor ONLY cycles on and off in the DEFROST POSITION ( sorry if I'm misinterpretting your question )
2008chevyimpala ac still clicks after it gets turned off?
Did you happen to move it to Defrost when you turned it off? The ac compressor also runs in the defrost cycle to keep the seals lubricated during the winter months when the ac is not used.
